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modboot
2012 Aug 14
1
bootstrapped CI for nonlinear models using nlsBoot from nlstools
...td. Error t value Pr(>|t|)
a 21.2426 0.9689 21.924 4.03e-09 ***
b 5.3330 1.4722 3.622 0.00555 **
c 0.8045 0.0274 29.364 3.01e-10 ***
Then, trying to get confidence intervals for the parameters using the nlsBoot function
in the nlstools package I got this error:
> modelboot<-nlsBoot(model)
Error en data2[, var1] <- fitted1 + sample(scale(resid1, scale = FALSE), :
objeto de tipo 'environment' no es subconjunto
I?ve tried with another response variable and other self starting function (SSlogis) and
got the same error.
Any suggestions?
Francisco
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