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2007 Apr 05
2
Likelihood returning inf values to optim(L-BFGS-B) other options?
...eceive (german):
--
> out=optim(c(.1,.1,.1,.1),fn,method="L-BFGS-B",lower=c(.0001,.0001,.0001,.0001,.0001))
Fehler in optim(c(0.1, 0.1, 0.1, 0.1), fn, method = "L-BFGS-B", lower
= c(1e-04, :
L-BFGS-B ben?tigt endliche Werte von 'fn'
Zus?tzlich: Es gab 50 oder mehr Warnungen (Anzeige der ersten 50 mit
warnings())
--
And this is the likelihood function:
--
fn<-function(p) {
A1=(gamma(p[1]+x)*p[2]^p[1])/(gamma(p[1]))
A2=(gamma(p[3]+p[4])*gamma(p[4]+x))/(gamma(p[4])*gamma(p[3]+p[4]+x))
A3=(1/(p[2]+Tvec))^(p[1]+x)
A4=(p[3]/(p[4]+x-1))*((1/(p[2]+t_x...
2008 Jul 09
0
problems using mice()
...was
Test<-mice(df, im=ImpMethMice)
I got the following error message:
iter imp variable
1 1 variablenameFehler in impute.logreg(c(2L, 2L, 2L, 2L, 2L, 2L, 2L,
1L, 2L, 2L, 1L, 2L, :
Dimensionen [Produkt 119] passen nicht zur L?nge des Objektes [122]
Zus?tzlich: Es gab 50 oder mehr Warnungen (Anzeige der ersten 50 mit
warnings())
1 1 variablenameError in impute.logreg(c(2L, 2L, 2L, 2L, 2L, 2L, 2L, 1L,
2L, 2L, 1L, 2L, :
dimensions [product 119] don`t match lenght of object [122]
Additional: 50 or more warnings (show first 50 with warnings())
warnings()
1: In any(predictor...