[GitHub] formath commented on issue #9023: Multiple featureid in one field in wide&deep example

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formath commented on issue #9023: Multiple featureid in one field in wide&deep example
URL: https://github.com/apache/incubator-mxnet/issues/9023#issuecomment-350702763
 
 
   Do you mean `libsvm` format like `field:featureid`? But `LibSVMIter` will parse all `featureid` into one `CSRNDArray`. However, users may want one `CSRNDArray` per `field`. And, all embedding of many `featureid` according to one field will be summed into one embedding like that of `embedding_lookup_sparse(..., combiner='sum')` in tensorflow. Can you give an example?

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