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Articles

Written by our interns

Published on Medium and Hashnode, one a week, under their own names.

Week 3: The Week Python Finally Started Making Sense… Until My Math Quiz Broke!
Written byMustapha Anuhi
Read on Medium

775 published articles so far

Showing 1–24

  1. Read on Medium
    DataraFlow 2026Medium

    Week 6 at DataraFlow: Learning NumPy, Pandas, and SQL

    This week at DataraFlow Cohort 2, I explored NumPy, Pandas, and intermediate SQL, strengthening my understanding of data analysis and database management.

    Esther Oginga
  2. Read on Medium
    DataraFlow 2026Medium

    DataraFlow Diaries: My Weekly Evolution in Python

    DataraFlow Diaries: My Weekly Evolution in Python

  3. Read on Medium
    DataraFlow 2026Medium

    The Silence of the Red Error: My Week 6 Survival Guide to Intermediate SQL and Pandas

    Have you ever felt that special kind of silence, the one that settles in when you stare at an error and have no idea what it means? Your tea goes cold. Your confidence quietly leaves the room. And somewhere in the back of your mind, a small voice asks: Maybe I’m just not cut out…

    Emmanuel Atilola
  4. Read on Medium
    DataraFlow 2026Medium

    Learning SQL Through Real-World Data: My Experience This Week

    This week, I spent time working with SQL Server and practising how to retrieve, clean, analyse, and summarise data from different datasets. The experience was more practical than simply learning SQL syntax because I had to work with existing databases, understand their…

    Abdulmuiz Ajiboye
  5. Read on Medium
    DataraFlow 2026Medium

    Learning NumPy, pandas and SQL: The Beginner Mistakes That Don’t Show an Error

    This week I worked through a set of NumPy, pandas and SQL tasks. Most of them looked simple on paper. Test an array for missing values. Show the first ten rows of a table. Count the rainy days in London.

  6. Read on Medium
    DataraFlow 2026Medium

    A Week of SQL, NumPy and Pandas: What I Learnt, What Broke, and What Surprised Me

    A beginner’s honest look at one week of data work: the wins, the errors, and the lessons I didn’t expect.

    Righteous Ifada
  7. Read on Medium
    DataraFlow 2026Medium

    I Thought SQL Would Be the Easy Week

    Week 6 taught me that the error on your screen is often not where the problem lives.

    Ichrak Boubakri
  8. Read on Medium
    DataraFlow 2026Medium

    Every Dataset Has a Story, but Can You Trust the Ending?

    When I first started learning data analysis, I thought the process was straightforward. You load a dataset, write a few lines of Python or SQL, generate some output, and interpret what you see.

    Lucky Pesilade
  9. Read on Medium
    DataraFlow 2026Medium

    Week 6: SQL Was the Easy Part (Eventually)

    This week covered three things: more NumPy, deeper work with Pandas Series, and my first real SQL assessment pulling from an actual live database instead of a local file.

    Toluwanimi Ogunjobi
  10. Read on Medium
    DataraFlow 2026Medium

    The Data Was Lying to Me: A Week of NumPy, Pandas, and SQL

    Week 6 of the DataRaflow cohort: what I learned, what I built, and why my most valuable tool turned out to be pure, unadulterated suspicion.

    Emmanuel Okwuiwe
  11. Read on Medium
    DataraFlow 2026Medium

    From Ideas to a Research Proposal: My Dataraflow Journey | Weeks 4–5

    Choosing a research title sounded simple until I had to find a problem worth solving, investigate what was already known, and figure out how to make the research work.

    Righteous Ifada
  12. Read on Medium
    DataraFlow 2026Medium

    Learning How to Write a Research Proposal from Scratch: My Week 4 and Week 5 Experience as a…

    For a long time, I thought research was mainly about choosing a topic, searching for information online, and putting everything together in a document.

    Abdulmuiz Ajiboye
  13. Read on Medium
    DataraFlow 2026Medium

    Untitled article

  14. Read on Medium
    DataraFlow 2026Medium

    AI-Enabled Digital Twins: How Machine Learning Can Predict Machinery Failure Before It Happens

    Exploring the role of artificial intelligence, remaining useful life prediction, and digital twins in the future of industrial maintenance.

    Lucky Pesilade
  15. Read on Medium
    DataraFlow 2026Medium

    From Hype to Reality: Assessing the Economic Value of AI-Based Disease Diagnosis for Nigerian…

    Every data science journey starts with a foundational question. Mine began in the classroom during a heated debate: Is precision agriculture and artificial intelligence an overblown hype, or is it a genuine, scalable reality?

    Emmanuel Atilola
  16. Read on Medium
    DataraFlow 2026Medium

    Journey into ML Research Writing : my experience through Weeks 4 and 5 at Dataraflow

    Last year, I wanted to learn how to research and how to write research papers.

    Abdullateef Oladapo
  17. Read on Medium
    DataraFlow 2026Medium

    My 5th Week at Dataraflow…

    This week, we were asked to write a research proposal on any data science topic. At first, I thought it would be a matter of picking a topic and getting straight to writing. But I soon realized that there is a lot more to a research proposal than I expected.

    Toluwanimi Ogunjobi
  18. Read on Medium
    DataraFlow 2026Medium

    The Challenges Along the Way

    There is something interesting about returning to something you once enjoyed. You may not remember everything, and the process might feel slower than you expected, but somewhere along the way, things begin to make sense again. That has been my experience this week as I continue…

    Abdulazeez Ijaoba
  19. Read on Medium
    DataraFlow 2026Medium

    From Folders to a Live Cloud Database: My Week 6 Journey with NumPy, pandas and SQL

    Week 6 of my DataraFlow internship was a practical learning experience. I moved from practising with small datasets to retrieving real data from a cloud database and analysing it in a Jupyter notebook.

    Abdulwaheed Olasupo
  20. Read on Medium
    DataraFlow 2026Medium

    Week 2 Broke Me: What I Thought I Knew About Python Class

    Beginning of Week 2, I was ready. I was pumped.

    Emmanuel Agbo
  21. Read on Medium
    DataraFlow 2026Medium

    From Column Names to Credit Risk: What I Learned in Week 6 of DataraFlow

    This week I worked with NumPy, pandas and intermediate SQL. I started with small array exercises and ended up asking whether a loan dataset could be trusted. Below is what I learned, what I solved, what went wrong along the way, and what I’d do differently. What I learned NumPy:…

    David Eyinade
  22. Read on Medium
    DataraFlow 2026Medium

    Week 6: Intermediate SQL, NumPy, Pandas, and a Server That Tested My Sanity…

    If Week 5 was about thinking, Week 6 was about surviving.

    Khadijah Dere
  23. Read on Medium
    DataraFlow 2026Medium

    This Week I Wrestled With Real-World SQL — And Real-World Data Won

    This Week I Wrestled With Real-World SQL — And Real-World Data Won. The datasets I worked on where in Weather, Milk, and Loan Approvals which sounds random, but it was the most practical SQL week so far. If you told me last week that getting an average temperature would be hard,…

    Ifeanyichukwu Aduanya
  24. Read on Medium
    DataraFlow 2026Medium

    Week 4 & 5: The Weeks I Learned That Research Is Just Structured Curiosity

    I opened my laptop on Monday morning expecting to write more code.

    Faustina Ndidiamaka Egbe

Projects, demos and papers

Research papers and MVP projects from the programme, mentor-accepted and published in full.

Publish your own article

Interns publish during an active cohort: every week, each intern writes up what they built and publishes it under their own name.