Darlington Emeagi – Medium

Darlington Emeagi

Darlington Emeagi

Cracking the Code: A SQL Challenge

There is a complex SQL challenge from a renowned YouTuber (Ankit Bansal) that focuses on solving different complexities of SQL interview…

Aug 23

Cracking the Code: A SQL Challenge

Aug 23

Darlington Emeagi

Understanding and Applying SQL Rank Window Functions for Data Analysis

This mini-tutorial will focus on SQL rank window functions, such as ROW_NUMBER, RANK, DENSE_RANK, NTILE, CUME_DIST, and PERCENT_RANK. We…

Jun 20

Understanding and Applying SQL Rank Window Functions for Data Analysis

Jun 20

Darlington Emeagi

Aggregation at Original Granularity in SQL

SQL (Structured Query Language) is a widely used programming language for querying structured data in relational databases. Today…

May 28

Aggregation at Original Granularity in SQL

May 28

Darlington Emeagi
in
Python in Plain English

Cleaning Scorecard: Visualizing US Presidential Rankings

The essence of this article is to share some tips on how to clean data. Often, data in its raw form is messy. Most times is either the…

Apr 5

Cleaning Scorecard: Visualizing US Presidential Rankings

Apr 5

Darlington Emeagi
in
Python in Plain English

Histograms vs. Bar Charts

People often misunderstand the difference between histograms and bar charts. While both use vertical bars, there are key distinctions in…

Mar 27

Histograms vs. Bar Charts

Mar 27

Darlington Emeagi

Practical Application of Confusion Matrix on Multiclass Classification System

In the previous article titled Confusion Matrix Simplified, I explained in simple terms how to calculate the four quadrants of a confusion…

Apr 6, 2023

Practical Application of Confusion Matrix on Multiclass Classification System

Apr 6, 2023

Darlington Emeagi

Confusion Matrix Concept Simplified

One of the ways of developing models in machine learning is by exposing both the train set and the labels to a neural network iteratively…

Mar 29, 2023

Confusion Matrix Concept Simplified

Mar 29, 2023

Darlington Emeagi

Restoring Lost Commit on Git using Reflog Command

In this article, I will share how you can restore a lost commit on Git using reflog command. Please note, this is only possible on changes…

Apr 3, 2022

Restoring Lost Commit on Git using Reflog Command

Apr 3, 2022

Darlington Emeagi

Darlington Emeagi

Postgraduate student in Applied Data Science at the University of Sunderland, UK, with a passion for using data to solve real-world problems.

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