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How I use Python to go beyond basic analysis
A practical look at how I use Python in data analysis when Excel is not enough — from scenario testing to deeper analytical insights.
Anna's Data Journey
27 mar2 minut(y) czytania
![[Project] Sales & Profitability Analysis (SQL + Power BI)](https://static.wixstatic.com/media/627ad7_7da6f0b505344dd8ae2780869c6d011d~mv2.jpg/v1/fill/w_333,h_250,fp_0.50_0.50,q_30,blur_30,enc_avif,quality_auto/627ad7_7da6f0b505344dd8ae2780869c6d011d~mv2.webp)
![[Project] Sales & Profitability Analysis (SQL + Power BI)](https://static.wixstatic.com/media/627ad7_7da6f0b505344dd8ae2780869c6d011d~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_avif,quality_auto/627ad7_7da6f0b505344dd8ae2780869c6d011d~mv2.webp)
[Project] Sales & Profitability Analysis (SQL + Power BI)
Why I worked on this project Sales data is everywhere. Revenue charts look great in presentations. But one question kept coming back while I was learning and working with commercial data: Does high sales actually mean good performance? In many businesses, revenue becomes the main success metric - often without fully understanding what sits underneath.. This project was my way of stepping back and asking a more uncomfortable, but far more useful question: Where does profit rea
Anna's Data Journey
18 gru 20253 minut(y) czytania
![[Project] E-commerce Sales Analysis (Power BI)](https://static.wixstatic.com/media/11062b_4338851926274145a7d02229ce6036df~mv2.jpg/v1/fill/w_333,h_250,fp_0.50_0.50,q_30,blur_30,enc_avif,quality_auto/11062b_4338851926274145a7d02229ce6036df~mv2.webp)
![[Project] E-commerce Sales Analysis (Power BI)](https://static.wixstatic.com/media/11062b_4338851926274145a7d02229ce6036df~mv2.jpg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_avif,quality_auto/11062b_4338851926274145a7d02229ce6036df~mv2.webp)
[Project] E-commerce Sales Analysis (Power BI)
E-commerce data can look impressive at first glance - until you step back and ask where revenue really comes from.
In this project, I explored sales concentration, seasonality, and customer contribution to understand what truly drives online revenue.
Anna's Data Journey
6 gru 20252 minut(y) czytania


How I Start Data Analysis: My First Steps and Tricks
When I started learning data analysis, I thought the hardest part would be Python or statistics. I was wrong. The hardest part was knowing where to start , what actually matters , and how not to get lost in the data. Over time, through courses and hands-on projects, I developed a simple approach that helps me stay focused and make sense of what I’m analysing. This post sums up how I usually work. 1. Defining the Problem First (Before Touching the Data) Before opening Excel,
Anna's Data Journey
5 gru 20252 minut(y) czytania
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