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Posted to user@spark.apache.org by Pasquinell Urbani <pa...@exalitica.com> on 2016/07/08 16:08:55 UTC

Iterate over columns in sql.dataframe

Hi all

I need to apply QuantileDiscretizer() over a 16 columns sql.dataframe.
Which is the most efficient way to apply a function over each columns? Do I
need to iterate over columns? Which is the best way to do this?

Thank you all.