Try dropping column(s) from the LeapFrame.
Try dropping column(s) from the LeapFrame.
Returns a Failure if the column does not exist.
names of columns to drop
LeapFrame with column(s) dropped
Try filtering the leap frame using the UDF
Try filtering the leap frame using the UDF
row selectors used as inputs for the filter
filter udf, must return a Boolean
LeapFrame with rows filtered
Print the schema to a PrintStream.
Print the schema to a PrintStream.
print stream to print schema to
Print the schema to standard output.
Print the schema to standard output.
Get the schema.
Try to select fields to create a new LeapFrame.
Try to select fields to create a new LeapFrame.
Returns a Failure if attempting to select any fields that don't exist.
field names to select
try new LeapFrame with selected fields
Transform an input row with the predetermined schema.
Transform an input row with the predetermined schema.
row to transform
transformed row, or None if filtered
Try to add a column to the LeapFrame.
Try to add a column to the LeapFrame.
Returns a Failure if trying to add a field that already exists.
name of column
row selectors used to generate inputs to udf
user defined function for calculating column value
LeapFrame with new column
Try to add multiple columns to the LeapFrame.
Try to add multiple columns to the LeapFrame.
Returns a Failure if trying to add a field that already exists.
names of columns
row selectors used to generate inputs to udf
user defined function for calculating column values
LeapFrame with new columns
(Since version MLeap 0.9.0) this method will be removed for version 1.0, use #drop
(Since version MLeap 0.9.0) this method will be removed for version 1.0, use #withColumn
(Since version MLeap 0.9.0) this method will be removed for version 1.0, use #withColumns
(Since version MLeap 0.9.0) this method will be removed for version 1.0, use #withColumn
(Since version MLeap 0.9.0) this method will be removed for version 1.0, use #withColumns