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Backward elimination problem
Contributor IHi, i'am using backward elimination operator for my regression model which contain 80 attributes and 1500 example set. My problem is, after 4 hours of running this model only 10 percent of backward elimination compeleted. i was wondering whether i did somthing wrong with my modeling , or just these process should take this much( approximately 40 hours or more).I used split validation as sub process within linear regression operator.
i just attached a photo of the process.
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Answers
Backward Elimination is a big memory and time suck when you have lots of attributes. I would check out the Evolutionary one, it tends to be a bit faster.