POWER BI -DATA MODELLING ,RELATIONSHIPS AND JOINS
INTRODUCTION Power BI is a powerful platform where raw data is collected from various sources , cleaned, analyzed and presented in interactive dashb…
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From Raw Data to Business Decisions: Building a Power BI Solution for JCars Logistics
Introduction JCars Logistics imports, sells and delivers vehicles across Kenya. Management wanted a report that could answer simple questions like:…
Building vs Running: The DDL & DML Distinction Nobody Explains Simply
Picture opening Sunrise Supermarket. Before you sell a single item, you build the shelves tables for customers, products, orders. That's constructio…
How I Cleaned Messy HR Dataset Using PostgreSQL: A Step-by-Step Guide
Introduction At first glance, I realized that the HR dataset was an absolute nightmare. The dataset was characterized by spelling errors, missing va…
Getting Started with Excel for Data Analytics: From Basics to Data Cleaning.
Introduction to excel Microsoft Excel is a spreadsheet that allows one to collect, organize, analyze ,calculate and visualize data in a more efficie…
Excel and Real-World Data Analysis - What I Learned in Week 1
To be honest, when I signed up for a Data Science and Analytics course, it hadn't crossed my mind that Excel was the very first tool I would start w…
How I Built an End-to-End HR Attrition Dashboard Using MySQL & Power BI
Losing great employees is incredibly expensive for businesses. To show potential employers how I tackle real-world business problems using data engi…
How Python Powers Real-World Data Analytics
Python Isn't a Trend. It's the Standard. If you work with data in any capacity, whether wrangling CSVs for a monthly report or building production d…
Introduction to Python
Python for Data Analytics: From Beginner Basics to Real-World Data Projects A beginner-friendly guide to understanding Python, data analytics, APIs,…
GA4 report snapshot templates: User behavior, Sales and marketing performance
Acquiring users to our website is not easy, and bringing them back is more difficult. But if our content reaches people, it will increase the sales…