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[WIP] Add dataframes with polars #94

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This is WIP

 * introduce polars behind feature flag
 * add `Dataframe` type
 * add income dataset which mixes categorical and numerical features
 * implement records for `polars::DataFrame`

CsvReader::new(buf)
.infer_schema(None)
.has_header(false)
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@bernardo-sb bernardo-sb Oct 25, 2022

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Shouldn't this option be given as a function argument has_header: bool?

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Hi, Is not it better to have direct arrow support than providing support for polars. So that any dataframe library based on arrow2 can use the preprocessing, and training methods? I am new to Rust and lifa project my question could be stupid. Thanks in advance for any clarity.

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3 participants