Files for Moloco test
PART 1 question 1 - simple filter and data aggregation using groupby+nunique pandas fnctions question 2 - simple filter and data aggregation using groupby+nunique pandas fnctions question 3 - first find the last site visited for each user. Then simply count unique users per site using the above question 3 - find first visited site using .head function, and last site visited using tail function - for each user. Join these two so we can view last visited and first visited for each users. Then simply filter for where last site == first site and count the length of the dataframe
PART 2 regression
Can not use sk.learn so implemented a regression using the statsmodels library. Ran a linear regression using ordinary least squares as the optimisation function. Results are not very good.