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[Gabby @thenaijacarguy]

I come from data analytics. SQL, Python, dashboards.

But I kept seeing "data engineering" roles and not really knowing what they built that I didn't.

So I built a complete ETL pipeline from scratch to find out.

Here's what I built and what I learned 🧵

[Datafrik @datafrik_co]

Ever stared at your Excel sheet like it betrayed you?

You type one formula… press enter…

Boom. An error message appears like it’s judging your entire existence.

Relax. These errors aren’t enemies. They’re signals.

Let’s decode them

* #DIV/0!
You’re dividing by zero or an empty cell. Excel doesn’t do imagination math.

* #NAME?
Excel doesn’t recognize what you typed. Maybe you misspelled a function or referenced something that doesn’t exist.

* #VALUE!
You mixed data types incorrectly. Text + numbers? Excel says no.

* #N/A
No match found. Very common in lookup formulas.

* #REF!
You referenced a cell that no longer exists usually after deleting a row or column.

* #NUM!
There’s a numeric issue. The calculation isn’t valid.

* ######
Not even an error . Your column is just too narrow.

Understanding errors is what separates guessing from actually knowing what you’re doing.

If you're ready to build real skills in Data, Cloud & AI, our March Datafrik Bootcamp starts March 2nd

Sign up here: https://t.co/fAk0mYFejY

[Gabby @thenaijacarguy]

Here’s the link: https://t.co/R3RuX2GXM9

[Gabby @thenaijacarguy]

This folder contains everything you need to start your Data Analytics journey:

- Data Analytics Starter Kit
- Class Recordings for last nights class
- Class files
- Assignment files
- Link to WhatsApp Community
- My personal email for mentorship
- Link to Google Calendar event for class
- Link to Join today’s class
- Link to the full curriculum to learn Data Analytics

Kindly like, retweet, bookmark and share with anyone who know might be interested.

Check thread👇🏽

[Carbud @carbudng]

Day 1: https://t.co/lcD5CqWbSX

[Carbud @carbudng]

A thread of my daily submissions - HackerRank x LeetCode

[Datafrik @datafrik_co]

It’s the last day of the year,
but not the last day to make payments for our January 5th Datafrik Bootcamp.

This bootcamp is designed for anyone ready to break into tech through Data Analytics, Data Science, Data Engineering, and Cloud Computing with practical learning and real skills you can use.

If 2026 is your year of locking in, this is your sign to start now, not “later.

https://t.co/pHP6raUec0

[Carbud @carbudng]

Day 1 of 356
Solving Python and SQL questions

I spent over 30 minutes on this question trying different iterations. Most of the solutions got 5 of the 6 test cases correct except 1.

I eventually had to use the Internet and realized my mistakes.

Can you try?

[Carbud @carbudng]

Starting this new year, I intend to solve one Python and one SQL challenge per day in my journey as an ML programmer.

If you wanna follow along, follow me and turn on post notification. Let’s lock in together

[Gabby @thenaijacarguy]

As promised, to start your Data Analytics journey with me:

- Fill this form and I’d mail you the Data Analytics Starter Kit

Link in thread.
Like and retweet and make sure you’re following.

[Gabby @thenaijacarguy]

Hi
My name is James Gabriel
I’m a Data Analyst & Engineer.

Starting tomorrow, 2026, I intend to mentor 1000 people transitioning to tech.

Follow and turn on post notification.

Kindly like & retweet for reach.

[Gabby @thenaijacarguy]

Super locked in this 2026
From crossover night straight to Calculus
No excuses this new year!

Who’s with me?

[Gabby @thenaijacarguy]

You don’t need any IDE for your Data Analytics and Data Science projects when you can do everything in your Terminal using Qoder CLI

Let me walk you through a simple Data Cleaning and Analysis task using Qoder in my Terminal

A thread 🧵
Retweet and bookmark. You’ll need it!

[Gabby @thenaijacarguy]

Top 22 Excel Formulas

[Carbud @carbudng]

There’s a ML roadmap repository on GitHub I intend to follow through with. It is “a curated list of Machine learning videos, links, projects and datasets to help you conquer the ML landscape in 6 months”

If you’d like a link n wanna undergo this journey with me like and comment

[Carbud @carbudng]

Day 21 of learning AI/ML from scratch

Today I started learning the math needed for AI and ML again. Started with Algebra and introduction to vectors and I’d like to say that the 3Blue1Brown guy on YouTube is a genius

[Gabby @thenaijacarguy]

Imagine writing without lifting a finger. Typeless is really taking over.
The future is so exciting

[Carbud @carbudng]

Just got done with the Python needed for AI and ML. Learnt:
- Functions and Variables
- Conditionals and Loops
- Libraries
- File Handling and Exceptions
- Object Oriented Programming
Etc

Next up: Mathematics (Algebra, Calculus, Probability and Statistics)

[Gabby @thenaijacarguy]

How to never be jobless again
Number 4 is really important!