DropNullColumns.
__init__
Initalizes an transformer to drop features whose percentage of NaN values exceeds a specified threshold.
pct_null_threshold (float) – The percentage of NaN values in an input feature to drop. Must be a value between [0, 1] inclusive. If equal to 0.0, will drop columns with any null values. If equal to 1.0, will drop columns with all null values. Defaults to 0.95.