变数的长度不一样('(weights)') 万分焦急,敬请指教!
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我通过R软件实现有序结果的logistic回归,程序如下:
library(nnet)
library(MASS)
library(epicalc)
C=rep(c(1,2,3,4),4)
M=c(0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3)
F=c(22,81,30,3,57,236,135,26,11,112,105,17 ...
2010-6-29 14:48 - jsntxt - R语言论坛