On this page I am experimenting with data analysis and visualization. I use Python and the libraries Pandas, NumPy and Matplotlib.
(Please note: I am not a data scientist. I have analyzed the data with care, but they may still contain errors)

The most popular first names in Bonn from one decade. The numbers are available here.

Is there a correlation between a country’s health expenditure and the death rate for COVID-19? The expenditure is taken from the statistics of 2017. Death rate and health expenditure refer to the population of a country.