"generating attribute with time series data ERROR"

tonio09tonio09 Member Posts: 12 Contributor II
edited June 2019 in Help
I'm trying to generate an a trend attribute.

unixtime, price, amount
1,3,5
2,5,7
....

I apply windowing, which creates these new attributes
price-0, price-1, price-2 ...

Next I try to generate a trend attribute so I use this expression
if(label>price-9,1,if(label==price-9,0,-1))

Pronlem is Rapidminer interprets price-9 as price minus 9, instead of the variable name. I can't change the variable names, because they are generated by RapidMiner in the windowing. How can I fix this?
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Answers

  • MariusHelfMariusHelf RapidMiner Certified Expert, Member Posts: 1,869 Unicorn
    Heya Tonio,

    you can change the attribute names with the Rename by Replace operator. Just enter something like '-' into the replace_what parameter, and '_' into replace_by.

    Best,
    Marius
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