Question 1- What are Machine Learning Pipelines?
Please choose all correct answers
A way of speeding up ML development
A way of expressing your complete end-2-end machine learning flow within a single framework with a homogeneous API
A way to do feature engineering within the pipeline framework
Question 2- How is the class called which transforms a string class label to a class index in SparkML?
Question 3- What is the class called which transforms a set of columns in a data frame to a single DenseVector representation in SparkML?