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non nominal type to nominal type

vikki499vikki499 Member Posts: 1 Newbie
how to convert non nominal to nominal?

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    varunm1varunm1 Moderator, Member Posts: 1,207 Unicorn
    Hello @vikki499

    Is your non-nominal data "text" or "numerical"? There are operators that change text to nominal, numerical to polynomial. So you can select based on your type of data.

    Thanks,
    Varun
    Regards,
    Varun
    https://www.varunmandalapu.com/

    Be Safe. Follow precautions and Maintain Social Distancing

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    jacobcybulskijacobcybulski Member, University Professor Posts: 391 Unicorn
    If your attribute is text, perhaps there is a good reason why it is not nominal, e.g. it may have several thousand possible values. If this is so, I'd first parse the text (e.g. with Process Documents) and create a large collection of term-attributes. If at the end you decide you have too many, you could weight them against the label and select top k based on these weights.

    Jacob
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