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Wes McKinney commented on ARROW-81:
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We're running into what "first class type" means again. I'm going to
hi Pino, can you reply on JIRA for the sake of keeping the discussion
in one place?
>From what I know about sector categorization I think this is a
slightly separate question -- here we are only concerned with the
metadata and memory representation of data with a fixed number of
categories (where
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Wes McKinney commented on ARROW-81:
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Here's a couple examples from Python and R (I believe SAS / Stata /
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Jacques Nadeau commented on ARROW-81:
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Can you guys provide two small example datasets in JSON format
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Hadley Wickham commented on ARROW-81:
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I agree with Wes that factors/categories are a fundamental data
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Wes McKinney commented on ARROW-81:
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The other question I have is the category / dictionary indices. For
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Wes McKinney commented on ARROW-81:
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There is no doubt that a Category logical type / metadata is
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Mohit Jaggi commented on ARROW-81:
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When I was working on feature engineering earlier I struggled with this
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Julian Hyde commented on ARROW-81:
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Since Arrow is a general-purpose data format, this requirement seems to
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Wes McKinney commented on ARROW-81:
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A couple more notes on this:
While creating the Feather format,
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