column wise sum in PySpark dataframe
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04-22-2019 01:36 AM
i have a dataframe of 18000000rows and 1322 column with '0' and '1' value.
want to find how many '1's are in every column ???
below is DataSet
se_00001 se_00007 se_00036 se_00100 se_0010p se_00250
