DynastyTHU

How to deal with large-scale sparse data?

1

I find that there is a comment in DMatrix: 'Input data must be numpy.ndarray or pandas.DataFrame'. Does it mean that I have to provide all the data to the model,...

I found that in every example which used fit(), there was always setValidate() before. However I wanted to process the data for test afterwards and I didn't want to separate...

I was using pyFM to classify a data set. When only 50% of the data were used, the program went on normally. But when I tried to use all the...