search for: condiditon

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2005 Apr 11
1
multi-class modeling
...one could comment on using linear discriminant analysis (LDA) vs. multinomial logistic regression in multi-class classification/prediction (nomial dependent variable, not ordinal)? What kind of difference in results can I expect from the 2 methods, which is better or more appropriate, or under what condiditon should I used one instead of the other? And is there other methods I can try? On another note, if I want to use logistic regression using multinom() in package nnet, how can I address the problem that each class of the dependent variable has an unequal prevalence? In lda(), I can do this by using...