Error 0074

 

Updated: July 19, 2016

Error 0074

Exception occurs when the Edit Metadata tries to convert a sparse column to categorical.

This error in Azure Machine Learning occurs when the Edit Metadata tries to convert a sparse column to categorical.  You will receive this error when trying to convert sparse columns to categorical with the Make categorical option.  Azure machine Learning does not support sparse categorical arrays, so the module will fail.

Make the column dense by using Convert to Dataset first or do not convert the column to categorical.

Exception Messages

Sparse columns cannot be converted to Categorical.

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