>From my personal experience - we're reading the metadata of the features
column in the dataframe to extract mapping of the feature indices to the
original feature name, and use this mapping to translate the model
coefficients into a JSON string that maps the original feature names to
their
What's the reason for your first cache call? It looks like you've used the
data only once to transform it without reusing the data, so there's no
reason for the first cache call, and you need only the second call (and
that also depends on the rest of your code).
On Thu, Jun 16, 2016 at 3:17 PM,