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Resolved! OneHotEncoder fails with 'Cannot have an empty string for name'
I have followed the basic guide on using OneHotEncoder, matching the syntax exactly with my own data tables. The tables have enumerated string values. I first run a StringIndexer (both with and without handleInvalid set):indexer = StringIndexer( ...
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Latest Reply
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Nice catch ! Indeed, the error is misleading. In my case, it was a specific column that had a string with just whitespaces.
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Feature Discovery
How would one discover features here and also know how to make sense of these features?Ideally, we can trace the usage of features in code as well.
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