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Judea Pearl Profile
Judea Pearl

@yudapearl

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Student of causal inference, human reasoning, and history of ideas, all viewed through the sharp lens of artificial intelligence.

Joined July 2015
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@yudapearl
Judea Pearl
2 months
I am working on a new book of selected writings. For list, see
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@yudapearl
Judea Pearl
4 years
Today we will say Kaddish in memory of our son, Daniel If you happen to be in Encino, CA, join us at 5pm at Valley Beth Shalom. Else, please join us spiritually. After the Kaddish, please sing with us: Tsadik Katamar Yifrach (Like an Immortal Palm Tree)
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@yudapearl
Judea Pearl
2 years
It was on Feb. 21, 2002, 20 yrs ago, that a team of FBI agents knocked on the door and asked us to sit down. "Bad?" we asked - "Yes". "Are you sure?" - "Yes". The only thing I remember next was lifting my hand up and down, up and down, marveling how human biology can continue 1/2
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@yudapearl
Judea Pearl
7 months
October 10 marks the birthday of my late son, Danny, who would have been 60 today. A diehard humanist who wanted to believe that man is not a predator to other men. We hoped that his brutal murder would mark a turning point in the history of man inhumanity to man. Saturday's…
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@yudapearl
Judea Pearl
4 months
I think South Africa regrets its Hague exercise; it gives Israel a platform to present its case to new audience which, until today, has been informed exclusively by Al-Jazeera, the BBC, and MSNBC. Watch Galit Rejwan exposing Hamas doings, totally ignored in the accusation…
@kann_news
כאן חדשות
4 months
נציגת ישראל בהאג, ד"ר גלית רג'ואן ממשרד המשפטים, הציגה לבית הדין תיעודים ושימוש חמאס בתשתיות אזרחיות במהלך הלחימה בתוך רצועת עזה @RamEliBrandts
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@yudapearl
Judea Pearl
2 years
Feb. 1 marks 20 years since our son, Danny, was murdered in Karachi, Pakistan. We will be lighting the traditional "soul candle" and say Kaddish in his memory. Readers noted that the link to my poem "The Lion Den" is obstructed by The New Yorker's paywall, so, I am sharing
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@yudapearl
Judea Pearl
3 years
Dear readers of this educational channel. I've lost my dear wife this afternoon, my northern-star and my college sweetheart. Need to take a few days off. Hope to be back.
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@yudapearl
Judea Pearl
2 years
My son
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@yudapearl
Judea Pearl
2 years
We must remember that the holocaust was preceded by a successful program of "critical race theory". In April, 1938, Nobel Prize winner J. Stark explained in the British weekly "Nature" why Jewish professors at German universities must be replaced by "under-represented" Germans.
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@yudapearl
Judea Pearl
2 months
Palestinians greatest mistake, which has caused them tragedy after tragedy, was and is to conceptualize Israel as a colonizer, rather than a home-comer. This conception dictates that, if you make its life miserable enough, the colonizer will quit, like Algiers. Palestinians (and…
@saleem_shahzada
Saleem G.K. Shahzada
2 months
@EnLiEretzAheret @markhumphrys @banjo_piano @yudapearl So you want Palestinians to stop fighting back from colonization 😵‍💫🤷
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@yudapearl
Judea Pearl
2 months
500,000 European Jews, including my family, owe their lives to Lord Balfour, whose 1917 declaration gave them a license to escape antisemitic Europe and rebuild their homeland in Eretz-Israel. My grandfather was one of them (1924) and my mother was another (1935). The rest of…
@yudapearl
Judea Pearl
2 months
In honor of Lord Balfour, a man of wisdom and character, whose portrait was defaced yesterday by the Barbarians of victim-land, I am reposting my piece on Balfour and the redefinition of "indigenous people" here
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@yudapearl
Judea Pearl
2 years
to work, when everything else is dead. Up and down,... Up and down,... when everything is dead -- brain, heart, self, ...-- all frozen dead. 2/2
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@yudapearl
Judea Pearl
3 months
I will be saying Kaddish today (the Jewish prayer of mourners) and lay a flower on Danny's tombstone. I will then join Benjamin Lapidus in singing the Kaddish in a melody that can shake the gates of heaven loose:
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@yudapearl
Judea Pearl
5 months
This is precisely what statisticians used to say. "If you can predict well the next data point, they you understand the reality or the process that generates that point". They said it and said it until Causal Inference proved them wrong. Understanding takes more than prediction.…
@AlphaSignalAI
Lior⚡
5 months
Ilya on LLMs understanding the world: "predicting the next token well, means that you understand the underlying reality that let to the creation of that token" Seem like the opposite view of Yann.
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@yudapearl
Judea Pearl
6 months
Thanks for sharing. I'm going to put on a blue & white Kippa for my next class at UCLA. I heard some Palestinian students would complain of "feeling unsafe", so I'll ask them politely to leave.
@HeidiBachram
Heidi Bachram 🎗️
6 months
My Jewish husband started wearing his Magen David necklace on the outside of his shirt. Proud. Prominent. He got some scowls. And he got some smiles. Small smiles with eyes full of empathy. I asked him why risk it? He replied: “For those smiles.”
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@yudapearl
Judea Pearl
3 years
My beloved wife was laid to rest on Thursday, next to our son, Danny, overlooking San Fernando Valley. I am grateful for the flood of condolences and support that you sent my way, which I wish I could acknowledge it in person. Will be back soon with renewed explorations of "WHY".
@yudapearl
Judea Pearl
3 years
Dear readers of this educational channel. I've lost my dear wife this afternoon, my northern-star and my college sweetheart. Need to take a few days off. Hope to be back.
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@yudapearl
Judea Pearl
1 year
Danny's official Yahrzeit is tomorrow, February 1st. Tonight we'll light the Soul Candle (Ner Neshama) and ask him to speak on our behalf, a world gone mad, in places where humanity, wisdom and courage once reigned. Yitgadal V'Yitkadash Shmey Rabba
@StandWithUs
StandWithUs
1 year
21 years ago, #DanielPearl , an American- #Israeli journalist, was kidnapped. 9 days later, he was brutally murdered by Islamic terrorists for being Jewish while pursuing a story in Pakistan. Daniel Pearl's last words were: "I am #Jewish ."
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@yudapearl
Judea Pearl
3 years
Our grandson, Adam, will be voting tomorrow in his first American election. Ruth and I feel as proud as he does.
@amanpour
Christiane Amanpour
4 years
18 years ago our colleague Danny Pearl of the @WSJ was brutally murdered, beheaded, by Al-Qaeda. Now Adam, 18, the son Danny would never meet, votes along with his mum Mariane, in his first ever presidential election.
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@yudapearl
Judea Pearl
4 years
We miss you, Danny
@AsraNomani
Asra Nomani
4 years
He would have been 57 today, October 10. Danny Pearl. A beautiful son to Ruth and @yudapearl . A great friend. As a hard-working immigrant girl, I didn’t know how to have fun, Dr. Pearl. That changed when Danny became my friend. We miss you, Danny. 🎂
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@yudapearl
Judea Pearl
2 years
Please join me and my family in celebrating Danny's 59th birthday. Many communities celebrate it through musical concerts, interfaith gatherings and press-freedom panels, still others recite his last words: “My father is Jewish, my mother is Jewish — I am Jewish. Back in 1/2
@Ostrov_A
Arsen Ostrovsky 🎗️
2 years
Today would’ve been Danny Pearl’s (z’l) 59th birthday. Though his life was taken by Islamic terrorists, his words, life and memory, have forever been a blessing and inspiration. BDE.
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@yudapearl
Judea Pearl
4 months
Your father is 100% wrong. Denying for 40 years any antisemitism on the left has contributed to the current hostilities on campus; it has fermented on his watch. The kinds of speech Jewish students are currently calling "antisemitic" include the denial of Israel's right to exist,…
@avi_steinberg
Avi Steinberg
4 months
My father and former Harvard Hillel director, Bernie Steinberg, just wrote an op-ed on "the cynical weaponization of antisemitism by powerful forces who seek to intimidate and ultimately silence legitimate criticism of Israel"
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Judea Pearl
2 years
Eli, Eli, my newly fallen son. When I weep for you, I weep for my son Daniel - your brother in pain - two treasures crushed in the claws of Barbaric terrorism. Danny and Eli, my two fallen sons, it was not the barbarians alone who killed you; Western intellectuals were (1/2)
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@yudapearl
Judea Pearl
2 years
I have a personal account to close with al-Qaeda, more so with al-Zawahiri the "ideologist", than with bin-Laden or Khalid Sheik Mohammed, the executioners of our son, Daniel. Today I feel an inch closer to closure. Angels in heaven tell me they feel that way too.
@JGreenblattADL
Jonathan Greenblatt
2 years
Relieved and grateful that the Biden administration succeeded in its mission to target al-Qaeda leader Ayman al-Zawahiri, one of the architects of the 9/11 attacks. The world is safer tonight.
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@yudapearl
Judea Pearl
2 years
there all along, watching Barbarians sharpen their knives, explaining, justifying, rationalizing, legitimizing, everything but criminalizing. Let there be no silence on your graves, Eli and Danny, no rest, until those justifiers stand trial, in the high court of history. (2/2)
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@yudapearl
Judea Pearl
2 years
Horrible Day. Evil runs amok when God falls asleep on his watch!
@StopAntisemites
StopAntisemitism
2 years
20 years ago today journalist Daniel Pearl was kidnapped by Al Qaeda terrorists.  Prior to his brutal murder he stated-“My father is Jewish. My mother is Jewish. I am a Jew."  Please follow his father @yudapearl , a warrior in the fight against Jew hatred.
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@yudapearl
Judea Pearl
1 year
Yes, it was 21 years ago when we first heard: "He is not back yet", and he hasn't been back since; except in the minds of millions who take his words to mean: "We ain't going to give up!"
@StandWithUs
StandWithUs
1 year
21 years ago, #DanielPearl , an American- #Israeli journalist, was kidnapped. 9 days later, he was brutally murdered by Islamic terrorists for being Jewish while pursuing a story in Pakistan. Daniel Pearl's last words were: "I am #Jewish ."
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@yudapearl
Judea Pearl
5 months
NYU is my Alma Mater (1965). Bella Ingber speaks more effectively than all Jewish organizations put together. Why? Because she is not afraid to repeat Palestinian slogans, and gaze at their emptiness.
@trishaposner
Trisha Posner
5 months
Jewish college students are telling Congress today about the unrestrained #antisemitism sweeping their campuses. I was particularly moved by Bella Ingber, a junior at @nyuniversity . Shame on NYU and other schools for their stunning failure to protect Jewish students.
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@yudapearl
Judea Pearl
4 months
I don't get it. Even if we resign to the fact that it is futile to demand that Hamas frees the hostages, it is still the duty of the Red Cross to try, to apply pressure, to mobilize public outrage, to organize students protests in Ivy League universities and, at least, show us…
@mihaschw
miha schwartzenberg
4 months
Hands tight behind their back,beaten brutally, blood on their faces and clothes,crying,scared to death,filmed by the terrorists.Yet, there are more people supporting this barbaric atrocity,than speaking up for the basic Human Rights of these #israeliwomen . Day94- #gaza
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@yudapearl
Judea Pearl
2 months
And if you think I am exaggerating, listen to this: A Palestinian student at UCLA complained that the music score of "wonder-woman" makes him feel unsafe, since Gal Gadot is Israeli, and the music professor changed the score - the class was assigned a score of another movie. And…
@yudapearl
Judea Pearl
2 months
We shouldn't leave this alone, for it's spreading to academia and other enterprises. It is only a matter of time before Israeli professors will get notice from their Deans that they can't teach any more, because students complained they don't feel safe in class. It will then…
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Judea Pearl
5 months
Another nail in the coffin of UN credibility. After weeks of silence on Hamas’s October 7 crimes against women and children, United Nations Women issued a definitive statement on Friday that condemned “the brutal attacks by Hamas.” Then, the organization deleted its statement.
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@yudapearl
Judea Pearl
4 years
Today, my wife and I filed an appeal to the Supreme Court of Pakistan to overturn the "acquittal" of our son's murderers. We ask all people of conscience to support our efforts to protect journalists from imitators of Omar Sheikh and his ilk. For details
@AsraNomani
Asra Nomani
4 years
"We are standing up for justice for not only our son, Daniel Pearl, but for all of our dear friends in Pakistan, so they can know a society free of violence and terror, raising their children in peace and harmony," said Ruth & @yudapearl . Actual appeals👇 #JusticeForDanielPearl
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@yudapearl
Judea Pearl
7 months
Recent reports: Terrorists are moving house to house, shoot to kill, children are crying in their iphones for help, their parents are bleeding. Hamas soldiers grab their phones and broadcast pictures of their bleeding parents to cheering Gaza's media. Israel needs support, not…
@yudapearl
Judea Pearl
7 months
Reports from 3 Israeli hospitals: 120 injured, many in difficult situation. Instructions to residents: Hug your children, assure them that security forces are on their way, don't open the door.
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@yudapearl
Judea Pearl
3 months
Today, as we solemnly commemorate 22 years since the tragic loss of my son, Danny, I am sharing the first essay that I wrote after his funeral: “Hope from the Horror of My Son’s Murder,” The Sunday Times (London), August 18, 2002. . Today, over two decades…
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@yudapearl
Judea Pearl
2 months
@AmirS70722792 Yes. Stay on their land, accept partition, and thrive.
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@yudapearl
Judea Pearl
1 year
Rep Ilhan Omar @IlhanMN is finally out, almost 4 years after I pleaded with Nancy Pelosi to take her off the US foreign Affairs Committee , a position she was the most unfit person to serve. I wish Speaker Pelosi would have done it, not McCarthy.
@YosephHaddad
יוסף חדאד - Yoseph Haddad
1 year
Rep @IlhanMN will finally be kicked off the US Foreign Affairs Committee for her anti-Israel bias thanks to the new Speaker of the House @SpeakerMcCarthy . Any member of Congress who actively fights against the US-Israel relationship should not be on that committee.
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@yudapearl
Judea Pearl
20 days
Our father in heaven... Rock fortress of Israel... Watch over the State of Israel... Shield her beneath the wing of your kindness.. Spread upon her your tent of peace... Send your light and wisdom to her leaders, officers, and counselors... Advise them with your good counsel...…
@IsraelWarRoom
Israel War Room
20 days
Israel is facing a multi-front attack by Iran and their proxies. OSINT indicates that drones have been launched from Yemen, Iraq, and Iran proper. These drones are the same “Shahed” drones that have been terrorizing Ukrainian cities, and will take hours to reach Israel - at least…
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Judea Pearl
8 days
As I write this message I am receiving word that encampments are beginning to be built at UCLA. It reminds me of Kafka's story, where he woke up to find his hometown occupied by horse-eating Huns, acting as though they own the town. I'll be using my Israeli flag for protection.
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@yudapearl
Judea Pearl
7 months
Jews will find a place, but where would the Brits go?
@israel_advocacy
Israel Advocacy Movement
7 months
Jews have no future here.
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Judea Pearl
5 months
A remarkable phenomenon. Against the background of anti-Israel rhetoric and academic pack-chasing, 555 physicians at the University of Toronto decided to take an unprecedented action -- no protests and no demands, just a simple declaration of conviction that is having far…
@yudapearl
Judea Pearl
5 months
Second time in my life I'm proud of my Honorary Alma Mater, U. of Toronto (first was in my commencement speech, 2007). . We, at UCLA, are following in Toronto's footsteps, with 357 professors: . @GilTroy
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@yudapearl
Judea Pearl
4 years
Announcing new publication policy for the Journal of Causal Inference. The Journal has switched to Open Access. Articles are now published with unrestricted access for everyone, thus boosting visibility and impact. Authors still retain copyrights and there are no embargo periods.
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Judea Pearl
2 years
My My! What a wonderful gift for my 86-th birthday tomorrow. Knowing that some bookshelves on planet earth carry my thoughts makes me feel immortal and doubly committed to spending the next 34 years of my life searching for the calculus of our mind. Thank you!
@ccaballeroh10
Christian Caballero
2 years
"Probabilistic and Causal Inference" turned out to be bigger than I expected #causaltwitter
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@yudapearl
Judea Pearl
4 years
Those who wish to teach a class on my Causality book would benefit from my slides and homework which I am happy to share: . Merry teaching, it should be fun.
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@yudapearl
Judea Pearl
2 months
We shouldn't leave this alone, for it's spreading to academia and other enterprises. It is only a matter of time before Israeli professors will get notice from their Deans that they can't teach any more, because students complained they don't feel safe in class. It will then…
@AGHamilton29
AG
2 months
I can't leave this alone. I need people to truly understand how outrageous this stuff is and how the silence around is an attack on Jews existing in these spaces. This publication ( @GuernicaMag ) published an article from a very liberal Israeli translator regarding her…
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Judea Pearl
6 years
Hi everybody, the intense discussion over The Book of Why drove me to add my two cents. I will not be able to comment on every tweet, but I will try to squeak where it makes a difference.
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@yudapearl
Judea Pearl
2 months
This post seems to have hit a hornet's nest, generating dozens of objections. The only explanation I have why Palestinians cannot grasp the possibility that Israelis could be "equally indigenous" to the land, based on strong historical attachment, is that Palestinians themselves…
@yudapearl
Judea Pearl
2 months
Palestinians greatest mistake, which has caused them tragedy after tragedy, was and is to conceptualize Israel as a colonizer, rather than a home-comer. This conception dictates that, if you make its life miserable enough, the colonizer will quit, like Algiers. Palestinians (and…
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Judea Pearl
3 months
Thank you Boaz for remembering our son, Daniel, whose Yahrzeit we commemorate on February 1st. Tomorrow, I will say Kaddish at his grave and lay flowers on his tombstone, which reads: Daniel Pearl (1963-2002) Journalist, musician, humanist Lost his life in the pursuit of truth…
@boazhepner
Boaz Hepner
3 months
As always, my weekly Chosen Links section begins on my Facebook, and a few days later it is published on the Jewish Journal. So this past week's one is live if interested: Thank you to those I shared articles/threads/videos of within: @AsraNomani
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Judea Pearl
7 months
Briefly taking my eyes off the awful war in Israel, I am pleased to announce that The Handbook of Rationality is now open access and thus freely available to everyone. The entire volume and all individual chapters can be read, downloaded, and printed at the following URL:…
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Judea Pearl
3 years
1/ The Balloons on my screen remind me that, yes, I'm 85 yrs young today and, yes, I'm fortunate to be able to continue defending commonsense reasoning through AI, continue defending the miracle called Israel, and continue growing with my children and grandchildren despite the
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@yudapearl
Judea Pearl
11 days
That's how they do it at Columbia. That's how the KKK mob did it in 1915. That's how the Nazis did it in 1939. They form a "human chain" and push whoever dares "infringe on the privacy of their encampment". Chilling. More chilling: no one dares calling them "Racists".
@NeriaKraus
נריה קראוס Neria Kraus
12 days
Crazy scene tonight at Columbia University: Jewish students came to the campus - and then this happened. The undergrad who filmed it told me: “We didn’t say a word. My friend had a Jewish star necklace. All of the sudden we’re surrounded, they’ve been circling us, threatening us”
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Judea Pearl
2 years
I tried to add a comment. I couldn't.
@Ostrov_A
Arsen Ostrovsky 🎗️
2 years
Breaks my heart. EVERY. SINGLE. TIME! 😢 An #Israeli boy hugging his father’s grave on #YomHazikaron (Israel’s Memorial Day for fallen soldiers and victims of terror)!
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Judea Pearl
2 years
I wrote a poem for Danny called "The Lion Den" It ends: And when Daniel was lifted from the den, So the Bible tells us, No wound was found on him, Because he stood his ground 'Cause he stood our ground So the Bible tells us. (Daniel 6:28)
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Judea Pearl
2 years
a fresh link: If you want to join us in "Kaddish para Daniel," please click on and whisper the holy words "Yitgadal V'Yitkadash Shmei Raba" -- they have shaken the gates of heaven many times before.
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Judea Pearl
3 months
Depressed by today's news of Israel losses in Gazza, I've taken a symbolic action to express solidarity, condolences, and concerns. I've donated $400 to buy a highly protective helmet for an IDF soldier serving in Gazza. If you wish to do likewise, it's simple, you can send…
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@yudapearl
Judea Pearl
5 months
Please do not silence @timnitGebru . Knee-jerk reactions of anti-Zionist activists provide valuable information about the neural architecture of their moral deformities and their racist mindsets. Instead, let's study in depth the process by which sickly hallucinations about…
@AsraNomani
Asra Nomani
5 months
@DanielHGill @timnitGebru @yudapearl @bariweiss @JGunlock @LarryOConnor @chien_kwok @DavidSuissaJJ @FreeBlckThought @JohnFetterman @garrytan @Kasparov63 Nobody messes with Dr. @yudapearl while I’m alive. He’s a living saint. Did @timnitGebru think she could chase clout in her social justice tribe by branding a living saint a racist “fascist”? Not on my watch.
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Judea Pearl
11 months
Falafel - a story of a conflict. Israeli: Yummy! I love falafel Palestinian: It's mine Israeli: You like it too? Let me get one for you. Palestinian: I want yours Israeli: OK take this, I'll get another Palestinian: Its not what I'll have; it's about what I won't let you have.
@academic_la
Shaiel Ben-Ephraim
11 months
So much backlash to falafel being our national dish. But we didn’t adopt it to erase the Arab roots of the food. We did it because we are an inseparable part of the region and Arabs and Jews share so much culturally.
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Judea Pearl
5 months
I have listened to @USC Prof. John Strauss, and have signed the petition for his reinstatement. Friends, the sophistication of pro-Hamas fascism is getting crazier by the day, assisted by appeasement-minded university administrators. We know how it will end if it's not nipped…
@_SAFECAMPUS
SAFE CAMPUS
5 months
Listen to @USC Prof. John Strauss, describe his vicious harassment by pro-Hamas antisemites who fabricated & creatively edited things he never said. Please sign the petition to bring him back to his classroom as @USC outrageously placed him on leave.
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Judea Pearl
2 years
Dear Fatima Mohammed, I am one of those Zionist professors whom you wish to shun. Let me assure you that your organization, SJP, will be ousted from my campus way before me or any of my students, precisely because of racist demands such as those you have made today. 1/2
@AvivaKlompas
Aviva Klompas
2 years
Calls for the ethic cleansing of Jews on the streets of New York “Demand that Zionist professors are not welcomed on your campus. Demanded that Zionist students are not in places were Palestinian students are.”
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@yudapearl
Judea Pearl
3 years
Good news! My lecture on "What is Causal Inference" is already available on youtube, free for all: Enjoy! And, if there are questions, do not hesitate, preferably after reading #Bookofwhy , for the obvious reason that the answer is very likely to be there.
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Judea Pearl
23 days
Thus bringing Israel to 3rd place in # of Turing laurates (after US and UK). Not bad for a country fighting daily for its right to live, and blamed by its neighbors for daring to fight. @naftalibennett @AvivaKlompas
@naftalibennett
Naftali Bennett נפתלי בנט
23 days
Wow! What amazing news! Israeli mathematician, Avi Wigderson, was awarded the 2023 Turing Prize for insights into randomness. Wigderson was born in my hometown of Haifa and completed his undergraduate studies at the city's Technion – Israel Institute of Technology. MAZAL Tov…
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Judea Pearl
1 month
My last email from Daniel Kahneman goes: "Hi Judea, Did you study in Tichon Irony Dati in Tel Aviv?  I studied there in 1949, and had a wonderful physics teacher name Feuchtwanger" As it turns out we went to the same high school in Tel Aviv, two years apart 1947-9, and shared…
@yudapearl
Judea Pearl
1 month
Thanks so much for posting this forgotten AI Debate; this was probably the last time I saw Daniel Kahneman (albeit virtually). It makes me doubly sad that he didn't talk about counterfactuals as he originally planned, as described in Lewis's book "The Undoing Project"
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Judea Pearl
2 years
Reminds me how our son, Daniel, got lost on this very beach when he was 6 - abruptly swallowed by the crowd. We found him 3 hours later, two miles away, drinking soda with the life guards. "Why were you worried" he asked.
@blakeflayton
Blake Flayton
2 years
Tel Aviv today. My heart bursts.
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Judea Pearl
1 year
OK, no point keeping it secret any longer -- it was I who advised Dean Douglas Elmendorf to block your fellowship at Harvard. Blame me, not the "Israeli lobby" and, you know what, resign gracefully, before Harvard students discover what you really stand for. @GeraldNGOM
@KenRoth
Kenneth Roth
1 year
My statement in response to the decision by Harvard Kennedy School Dean Douglas Elmendorf to reverse his decision to block a fellowship for me proposed by the Carr Center for Human Rights Policy.
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Judea Pearl
2 years
As we celebrate Thanksgiving, I am reminded that "thanking" is purely counterfactual concept; you don't thank anyone unless you can imagine an alternative world, significantly worse than ours. While such worlds are sometimes hard to imagine, the mere sound of the word "thanks" 1/
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Judea Pearl
5 years
This new book: Handbook of Graphical Models captures well how the field has grown since its inception in the 1980's. Written by top statisticians, it can serve as a good introduction to causal modeling for traditionally-trained statisticians. #Bookofwhy
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Judea Pearl
2 months
In honor of Lord Balfour, a man of wisdom and character, whose portrait was defaced yesterday by the Barbarians of victim-land, I am reposting my piece on Balfour and the redefinition of "indigenous people" here
@YosephHaddad
יו��ף חדאד - Yoseph Haddad
2 months
A pro-Palestinian protester vandalizes the portrait of Lord Balfour at the University of Cambridge as a protest that The Balfour Declaration 107 years ago led to the establishment of the State of Israel... For them, anyone who recognizes the State of Israel’s right to exist is an…
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Judea Pearl
1 year
I'd strongly support the idea of a Manhattan Project of intense research to make machines more trustworthy and interpretable (regardless of, or in parallel with a moratorium.) The premature super-investment in non-interpretable technologies is the core of our problems.
@GaryMarcus
Gary Marcus
1 year
Absolutely, a Manhattan project on getting AI systems to align with human values would be a great thing. (As an aside, the letter wasn’t a blanket moratorium and it actually encouraged research to make machines more trustworthy and interpretable; I would not have signed…
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Judea Pearl
6 months
Over 250 UCLA professors are calling the University to denounce Pro-Palestinian rallies on campus in which the massacres by Hamas are celebrated, including explicit calls for violence. See Open Letter text and signatories: . @DavidSuissaJJ @Ostrov_A
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Judea Pearl
6 months
Many Jews feel cheated by the world. At the lowest moment of modern Jewish history, when we could have expected a sea of global sympathy, we got the opposite.
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Judea Pearl
3 years
A letter I wrote to the California Board of Education: I strongly oppose the 2021 California Ethnic Studies Model Curriculum. I am particularly alarmed by its attempt to depict inter-ethnic relationships as a irreconcilable struggle between racially-defined “oppressed” 1/4
@yudapearl
Judea Pearl
3 years
I will be speaking at this important webinar on Sunday. I have two grand-children in California, and I want to see them grow up in a friendly environment, respectful of differences and free of finger-pointing.
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Judea Pearl
5 years
It's 12 midnight, September 11, in LA, an hour I can't forget, b/c my son was murdered by the same people who made this day unforgettable. I salute the people of Israel who remember my fellow Americans through these columns of lights in the "9/11 Living Memorial", in Jerusalem.
@HananyaNaftali
Hananya Naftali
5 years
The 9/11 Living Memorial Plaza in Jerusalem lights up by columns of light in remembrance of the terror victims. Israel remembers together with America. 🇺🇸🕯 #911Memorial
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Judea Pearl
3 years
This question annoys ALL students (and professors) of ML, but they are afraid to ask. Thanks for raising it in this "no hand waving" forum. Take two causal diagrams: X-->Y and X<--Y, and ask a neural network to decide which is more probable, after seeing 10 billion samples. 1/n
@yash_sharma25
Yash Sharma
3 years
What is wrong about model-free causality? Instead of the programmer building in their assumptions or knowledge into causality diagrams, why not let neural networks descend to and generate the most probable causality diagrams? @yudapearl #causality
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Judea Pearl
7 months
I am grateful to all readers who have sent me words of support, in the wake of the horrific massacre in Israel. My family is doing OK, volunteering to hospitals and other services. My heart is with the families who are viewing their children and parents in the claws of evil, and…
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Judea Pearl
3 years
When a student union is hijacked by BDS cronies, students suffer but the university continues to function. When an academic department is hijacked, the university is dismembered, marking the end of higher education. A group of us decided enough is enough:
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Judea Pearl
5 months
Hey Gary, don't turn me into an old man! If @timnitGebru is an AI ethics icon, someone has to change that ethics and, based on my short experience with her tantrum, I think I can do it even 97 yrs old.
@GaryMarcus
Gary Marcus
5 months
Appalled that @timnitgebru , AI ethics icon, can’t lay off a lovely 87-year-old man, one of the great scientists of our time, whose journalist son was kidnapped and publicly beheaded in an act of political violence. Her power has gone to her head; her humanity has vanished.
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Judea Pearl
3 years
Sharing 2020 quotes that will guide me into 2021: "The data-fitting school is driven by the faith that the secret to rational decisions lies in the data itself, if only we are sufficiently clever at data mining. In contrast, the data-interpreting school views data, not as a 1/3
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Judea Pearl
4 years
A Nature article reports a breakthrough in medical diagnosis. While most ML enthusiasts are busy mining raw data, a British team has taken counterfactuals seriously (do-calculus, probability of causation, twin networks, noisy-OR) with impressive results.
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Judea Pearl
5 months
Hamas surrender may be the solution our political analysts have neglected to consider.
@academic_la
Shaiel Ben-Ephraim
5 months
Mass surrender of terrorists today. The IDF is seeing more of these every day, as Hamas begins to crumble. Notice all the arms they are providing in a neat pile.
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Judea Pearl
4 months
The dishonesty of Rashid Khalidi. Rashid Khalidi is upset at a statement by 18 Columbia University Deans, which reads: "[The Columbia community should acknowledge] that hearing chanted phrases such as ‘by any means necessary,’ ‘from the river to the sea,’ or calls for an…
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Judea Pearl
4 months
Who said Columbia administration and faculty are totally blind to students harassment? Here are 17 Deans setting up norms of academic discourse without infringing upon protected speech.
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Judea Pearl
2 years
Helplessness is when all you can do for the 44 million people of Ukraine is retweet this emotional statement by their leader. He will be remembered as the one who didn't abandon ship.
@Reuters
Reuters
2 years
‘I have asked 27 European leaders whether Ukraine will be in NATO .... Everyone is afraid, no one answers,’ Ukrainian President Volodymyr Zelenskiy said in a late night speech
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Judea Pearl
5 months
I haven't had a chance to evaluate the scientific merit of @timnitGebru research, but her knee-jerking tantrum at our faculty Open Letter, and her eagerness to smear my writings as "racist" do not reflect careful scientific discipline.
@Liusleante
Leon Juan
5 months
@yudapearl @timnitGebru Timnit Gebru is an amazing consequence of DEI madness. Her research is both amateurish and hilariously wrong. She seems unable to understand basic precepts of computer science. Her biggest ally is white guilt, which she has psychopathically exploited at every opportunity.
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Judea Pearl
2 months
These revelations about the UCLA Medical School are alarming: . They would probably be brushed off with attempts to discredit @benshapiro , but we, the faculty at UCLA, would urge the administration to focus on the facts.
@benshapiro
Ben Shapiro
2 months
1/ BREAKING: We've obtained internal emails from UCLA's medical school -- supposedly one of the best in the country. If you want to understand how DEI and anti-white, anti-American hatred have been mainlined into the medical profession, you need to see this.🧵
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Judea Pearl
4 months
I am taking off to be with my family next few days but, before departing, I'd like to thank all readers who have expressed solidarity with Israel during these hard times - perhaps the hardest in its history. And to all students and colleagues who are facing verbal and physical…
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Judea Pearl
5 months
@timnitGebru I'm actually suggesting that Qatar owns our universities and that Qatar money is the only explanation I have found of why university leaders are so reluctant to denounce pro-Hamas demonstrators who are calling for violence on campus.
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Judea Pearl
4 months
I love this poster "You don't get to choose how we resist". If I had to make a counter poster, I'd go for: "And you don't get to choose how we survive!".
@jewishstarlight
Jewish Starlight 🫐
4 months
@yudapearl @jeff_kaye In my city, masked hoards screaming for an intifada holding signs such as below makes me feel unsafe. The hoards are now targeting Jewish neighborhoods. That also makes me feel unsafe. Anyone who can’t connect these obvious dots has cognitive issues.
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Judea Pearl
8 months
I take this posting opportunity to thank all readers who have congratulated me today, my 87th birthday, and who have been supporting my year-round journey on Twitter as I strive to understand both human understanding and machine understanding."
@kerstingAIML
Kristian Kersting
8 months
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Judea Pearl
1 year
Anyone who hasn't heard this siren sound on Holocaust Remembrance Day, in Israel, or hasn't seen these cars stopping in the middle of the highway while drivers stand, heads down, in memory of the fallen, will not understand why Never Again has ceased to be a slogan; it's a fact.
@blakeflayton
Blake Flayton
1 year
We must bear witness.
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Judea Pearl
4 years
The parents of murdered Wall Street Journal reporter Daniel Pearl asked Pakistan’s Supreme Court to prevent the men convicted of his abduction and murder from going free via @WSJ
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Judea Pearl
6 years
In the spirit of Twitting, I recently completed a paper that summarizes the #BookOfWhy in seven words, each standing for a principle or a tool: Once you acquire these seven tools you would qualify as top Causal Inference Expert - a champion of commonsense.
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Judea Pearl
2 years
To all readers on this channel, I am undergoing a minor eye surgery tomorrow, so may be away for a day or two (hopefully not more). Stay the course and defend the faith. I gave the surgeon a copy of #Bookofwhy , of course, to keep his hands steady and his mind purposeful. Best, JP
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Judea Pearl
3 years
Please consider this a personal invitation to the 2021 Daniel Pearl Memorial Lecture with @jaketapper
@BurkleCenter
UCLA Burkle Center
3 years
Register NOW for the 2020-21 Daniel Pearl Memorial Lecture with @jaketapper , @cnn ’s Chief Washington Correspondent and host of @TheLeadCNN . Join us Feb 2, 2021, 3:30pm PT. Register here: @yudapearl @DanielPearlFNDN #DanielPearl
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Judea Pearl
3 years
I am in receipt of a draft of new ML book "PATTERNS, PREDICTIONS, AND ACTIONS: A story about machine learning" by Moritz Hardt and Benjamin Recht. . Beautifully organized, with clear connections to the origin of ideas, and even 2 chapters on causality.
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Judea Pearl
4 years
ML will not be the same in 3-5 years, and ML folks who continue to follow the current data-centric paradigm will find themselves outdated, if not jobless. Take note.
@memosisland
Mehmet Süzen
4 years
@yudapearl @mattshomepage Luckily some high profile ML scientists are investing quite a lot of their research output on causality in ML. Specially Schölkopf
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Judea Pearl
7 months
Not all university administrators lack spines. The statement by Cal Tech President, Thomas Rosenbaum condemns not merely Hamas, but also the pro-Hamas-anti-Israel demonstrations, saying explicitly: " They range from unadulterated celebrations of the killing of Jews to the more…
@yudapearl
Judea Pearl
7 months
An interesting phenomenon across all universities: Every statement has undergone one or two revisions. Either due to community pressure, or as a result of reflection and self-loathing. @MiriamElman
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Judea Pearl
2 years
I am extremely proud and humble to have been selected a recipient of the 2020 BBVA Frontier of Science Award. I hope this recognition would make causality research visible beyond its standard boundaries, and I thank the nominators and committee for recognizing these potentials.
@FundacionBBVA
Fundación BBVA
2 years
Premio Fronteras del Conocimiento en #TIC a Judea Pearl @yudapearl por sentar las bases de la Inteligencia Artificial moderna que permite a los ordenadores gestionar la incertidumbre y relacionar causas con efectos. ¡Enhorabuena!
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Judea Pearl
5 years
A brilliant quote crossed my desk which I could not let go un-shared (from Haldane JBS. , Science and life , 1969): "I consider it desirable that a man's or a woman's major research work should be on a subject in which he or she has not taken a degree." #Bookofwhy
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Judea Pearl
3 years
It has been 30 days since I lost my beloved wife, Ruth, my light, my guide and my comfort. In her memory, I am posting the song "Try not to Cry" which expresses my thoughts and my promise to her: I will try. Song by 14 yrs old Uziya Tzadok.
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