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numdi
2000 Nov 30
3
g-inverse
Is there any routine to obtain a g-inverse
of a matrix in R or S-PLUS?
Tapio Nummi
University of Tampere
Finland
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2001 Mar 07
1
cross-validation
...y<-c(96,88,105,111,107,113,132,122,135,131)
>
> theta.fit<-function(x,y){lsfit(x,y)$coef}
> theta.predict<-function(fit,x){
+ cbind(1,x) %*% fit}
> results <- crossval(cbind(x,x^2),y,theta.fit,theta.predict)
Error in cbind(1, x) %*% fit : non-conformable arguments
Tapio Nummi
University of Tampere
Finland
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