Exercise

Custom Percentage Scaling

In the slides we showed how to scale the data between 0 and 1. Sometimes you may wish to scale things differently for modeling or display purposes.

Instructions

100 XP

Calculate the max and min of DAYSONMARKET and put them into variables max_days and min_days, don't forget to use collect() on agg().
Using withColumn() create a new column called 'percentagescaleddays' based on DAYSONMARKET.
percentage_scaled_days should be a column of integers ranging from 0 to 100, use round() to get integers.
Print the max() and min() for the new column percentage_scaled_days.