Pursuing a career in data analysis can sometimes feel like entering a universe made of numbers, codes, and advanced tools.

This is a collection of my personal notes for Data Visualization in Python. Originally I had kept these in a collection of Jupyter notebooks, but it will be much more useful to just put them online so ...

Like many, I was skeptical at first and continued to rely on VBA and built-in Excel formulas for data analyses and visualization ... and use the Python code to clean date formats and standardize ...