eda v2.0.0 Data Analysis (not exploratory anymore)

The initial Exploratory Data Analysis was deepened and transmuted to a genuine Data Analysis.
There is still a little work ahead, but it is almost done.

eda v1.0.0 enough to modelling

This EDA has everything what is enough to go ahead to Modelling stage.
More than that, it is full of leftover comments and misspellings (I don't even want to mention grammar).