Exercise

Assembling columns

The final stage of data preparation is to consolidate all of the predictor columns into a single column.

An updated version of the flights data, which takes into account all of the changes from the previous few exercises, has the following predictor columns:

mon, dom and dow
carrier_idx (indexed value from carrier)
org_idx (indexed value from org)
km
depart
duration

Instructions

100 XP

Import the class which will assemble the predictors.
Create an assembler object that will allow you to merge the predictors columns into a single column.
Use the assembler to generate a new consolidated column.