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92093
2005 Jun 16
1
logistic regression - using polys and products of features
Hi
I can get all my features by doing this:
> logistic.model = glm(similarity ~ ., family=binomial, data =
cData[3001:3800,])
I can get the product of all my features by this:
logistic.model = glm(similarity ~ . ^ 2, family=binomial, data =
cData[3001:3800,])
I don't seem to be able to get polys by doing this:
logistic.model = glm(similarity ~ poly(.,2), family=binomial, data