Use this when each of your sparse inputs has both an ID and a value. For example, if you're representing text documents as a collection of word frequencies, you can provide 2 parallel sparse input features ('terms' and 'frequencies' below).
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A categorical column created by
String key for weight values.
Type of weights, such as
A categorical column composed of two sparse features: one represents id, the other represents weight (value) of the id feature in that example.
dtype is not convertible to float.
Other feature column constructors:
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