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Do you know approaches to array/bag features?
To be specific let’s say we have classification problem and want to sort out things as good or bad. For example: * Feature1 – regular feature, limited set of values: A, B, C * Feature2 – array/bag feature, container feature consisting of unknown number of values
| Feature1 | Feature2 | Good? |
|---|---|---|
| A | [A, B] | Yes |
| B | [B, A, A] | No |
| A | [B, C, B, C, A] | Yes |
How do one encode Feature2 to a numeric vector?
submitted by /u/truri
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