Preparing Spark ML Transformers/Estimators for features, labels and models(16%)1. Write code to create Transformers/Estimators for transforming/assembling thecolumns you selected above in 2.1, and...

Preparing Spark ML Transformers/Estimators for features, labels and models(16%)1. Write code to create Transformers/Estimators for transforming/assembling thecolumns you selected above in 2.1, and create ML model Estimators for DecisionTree and Gradient Boosted Tree model for each use case? Please DO NOT fit/transform the data yet