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Mr__E
by • Contributor II
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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( ...

Machine Learning
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EliasHaydar
New Contributor II
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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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Anonymous
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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.

Machine Learning
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