Apply this transformer to rdd
catch the exception of the transformer to avoid crashing.
catch the exception of the transformer to avoid crashing.
set the output key to store current transformed result if the key is not set, or same as default, then the transformed result will be overwritted by the following transformer
set the output key to store current transformed result if the key is not set, or same as default, then the transformed result will be overwritted by the following transformer
output key
transform feature
transform mat
transform mat
Channel normalization with scale factor