Multi-line chain of Dataframe transformations needs to be enclosed in parenthesis
dbtech4 opened this issue · 2 comments
dbtech4 commented
At least for spark-shell the Spark syntax needs this fixing. Without the parenthesis, the following command on page 421 of the book fails to generate proper Array[...] into the params Dataframe:
val params = new ParamGridBuilder() .addGrid(rForm.formula, Array( ...