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system
2011 Jun 23
0
Loops, Paste, Apply? What is the best way to set up a list of many equations?
...s
EQ1 <- Y1 ~ X1 + X2 + X4 + X7 + X10 ? ? ?## equation 1 formulaEQ2 <- Y2 ~ X2 + X3 + X5 + X8 + X10 ? ? ?## equation 2 formulaEQ3 <- Y3 ~ X5 + X6 + X7 + X9 ? ? ? ? ? ?## equation 3 formulaEQ4 <- Y4 ~ X1 + X3 + X4 + X6 + X9 ? ? ? ## equation 4 formula
## VERSION 1 FOR SETTING UP THE LIST:V1system <-list(form1 = EQ1, form2 = EQ2, form3 = EQ3, form4 = EQ4)V1system
## VERSION 2 FOR SETTING UP THE LIST:V2system<-c(formula(paste("form1","=","EQ1")), formula(paste("form2","=","EQ2")),?? ? ? ? ? ? formula(paste("form3",&qu...