Jacqline ✨
@Tall_Analyst
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Computer Engineering graduate (B.Eng) || Data Analyst | Excel | SQL| Python | PowerBI [email protected]
Joined July 2023
📊 Bank Analytics Dashboard Built 3 dashboards covering: 🏦 Customers 💳 Transactions 💼 Loans Focused on KPIs, clean visuals, and actionable insights using Power BI. Data ➜ Insights ➜ Decisions 🚀 #PowerBI #DataAnalytics #Datafam #BusinessIntelligence
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This was my first dashboard done on Excel
Dear Data Analyst, let’s see your first dashboard My first dashboard: Messi Club Goals Dashboard Quote this tweet with your first dashboard #DataAnalytics #Dashboard #Datafam
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Design data collection right, and cleaning becomes almost unnecessary. Good data is designed, not fixed. #DataAnalytics #DataQuality #DataCollection #SQL #Excel #PowerBI #DataFam
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“You save a lot of data cleaning time when designing the questionnaire.” This is so true. Most data cleaning problems aren’t analysis issues they’re data entry issues. ✔ Validated form fields ✔ Dropdowns instead of free text ✔ Clear standards ✔ Proper database constraints
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In 2026, Tech will change my life for good 😇😇🙏🙏
In 2026, Tech will change my life for good 😇😇🙏🙏
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💃💃💃💃 Thank you so much @iam_daniiell and @chidirolex. God bless you abundantly
🎄✨ 𝗪𝗜𝗡𝗡𝗘𝗥𝗦 𝗔𝗡𝗡𝗢𝗨𝗡𝗖𝗘𝗠𝗘𝗡𝗧 ✨🎄 The #12DaysOfDataAnalytics Challenge is officially complete! And we have our winners. 🎁🔥 ━━━━━━━━━━━━━━━━━━━ 🏆 𝗖𝗢𝗡𝗚𝗥𝗔𝗧𝗨𝗟𝗔𝗧𝗜𝗢𝗡𝗦 𝗧𝗢: @Tall_Analyst
@samdesign_01
@_victorugwu
@simplyaryam
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Right data + wrong chart = lost insight. Visualization is how we communicate with non-technical stakeholders. #DataViz #Analytics #PowerBI #DataStorytelling #DataFam #Microsoftexcel #Buildinginpublic
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In an interview, I was asked: Which chart would you use for👇 • Performance metrics • Profit & loss • Day-to-day activities My answers: 📊 KPI Card → performance vs target 💧 Waterfall → P&L breakdown 📈 Line chart → daily trends
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This project shows how strong SQL modeling + clean dashboards = real business insights. Tools: SQL Server | MySQL | Power BI #12DaysOfDataAnalytics #PowerBI #SQL #DataAnalytics #SalesAnalytics #DataViz
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🎄 Day 12 of My 12 Days of Analytics! Closing the series with a full Sales Performance Dashboard built from the SQL database I designed on Day 11. 🔹 $5.08M Total Sales 🔹 106% Target Achieved 🔹 Top reps, top customers & top brands 🔹 Customer, Product & Overview pages
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Good database design = the foundation of every sales dashboard you've ever seen. #12DaysOfDataAnalytics #DataAnalytics #SQL #DatabaseDesign
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🎄 12 Days of Christmas Analytics — Day 11🗄️ Sales Database Schema (SQL Server) 6 tables tracking the entire sales ecosystem: Sales reps & territories Transactions (the fact table) Customers & segments Products & suppliers
Day 10 of #12DaysofDataAnalytics 📊 Nigeria's 2024 VAT Pool Analysis (Power BI) ₦4.83T contributed | ₦3.13T received -₦1.70T net loss Top contributors: Lagos: ₦476bn Rivers: ₦332bn Oyo: ₦272bn
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The data shows which states that power's the economy and who gets what back. #Datafam #DataAnalytics #PowerBI #NigeriaData
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Day 10 of #12DaysofDataAnalytics 📊 Nigeria's 2024 VAT Pool Analysis (Power BI) ₦4.83T contributed | ₦3.13T received -₦1.70T net loss Top contributors: Lagos: ₦476bn Rivers: ₦332bn Oyo: ₦272bn
Day 9 of #12DaysOfDataAnalytics Today I designed two relational database systems using SQL: 🟦 Call Center Support DB — Tracks agents, calls, wait times, resolutions & customer feedback 🟩 Student Enrollment DB — Covers students, courses, instructors, departments & enrollments
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Solid database design = clean data + faster insights + better analytics. Tools: MySQL | SQL Server #DataFam #SQL #DatabaseDesign #ERD #DataModeling #MySQL #SQLServer
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Day 9 of #12DaysOfDataAnalytics Today I designed two relational database systems using SQL: 🟦 Call Center Support DB — Tracks agents, calls, wait times, resolutions & customer feedback 🟩 Student Enrollment DB — Covers students, courses, instructors, departments & enrollments
🎄 12 Days of Christmas Analytics — Day 8📊 My FIRST Excel dashboard vs. the revamped versions Safety Incident Analysis: 472 incidents | $642K in costs 342 days lost | Burns = most frequent Tracked by shift, department & location
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The lesson? Your first dashboard won't be perfect. Revisit. Refine. Grow.#DataAnalytics #MicrosoftExcel #DataFam #Growth #12DaysOfAnalytics
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🎄 12 Days of Christmas Analytics — Day 8📊 My FIRST Excel dashboard vs. the revamped versions Safety Incident Analysis: 472 incidents | $642K in costs 342 days lost | Burns = most frequent Tracked by shift, department & location
🎄 12 Days of Christmas Analytics — Day 7 📊 CRM & Sales Pipeline Dashboard (Power BI) $8.28M in deals | 3K total deals | 348 closed 12% conversion rate | $3M forecast Tracking performance by owner, industry, product & org size.
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Sales analytics = knowing where revenue comes from and where to focus next. #DataAnalytics #PowerBI #SalesAnalytics #Datafam #12Daysofanalytics #12Dayofchristmas
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