by Klementyna_Witczak | Jun 22, 2026 | Work
When I started my journey in the data world over seven years ago, I was convinced that the key to success was perfect technological mastery. I thought that if I learned the most difficult functions in SQL, wrote flawless Python code, and built advanced models, the...
by Klementyna_Witczak | May 5, 2026 | Work
Even if you master Python to a professional level and your Excel spreadsheets look like works of art, you won’t get far in the world of data analysis without understanding analytical terminology. I repeat this to my students all the time: technology is just a...
by Kajo Data | Jan 21, 2024 | Work
Table of contentsHow to Become a Data Analyst – IntroductionLearning ExcelLearning SQL and DatabasesThe Data Analyst’s CV and LinkedIn ProfileThe Data Analyst’s Portfolio – GitHub, Tableau, PowerBIData Visualization – Tableau and Power BIThe Pareto...
by Kajo Data | Jun 19, 2023 | Work
IT conferences provide a great opportunity for analysts and programmers alike to gain knowledge and broaden their network. Whether you’re a junior or a senior, everyone contributes. Recently, I thought that a “guide for introverts” would be useful in...
