Hi dear,
I want to estimate d.f for Chi-squared distribution:
est.chi[i,]<-c(
fitdistr(as.numeric(data2[,i]),"chi-squared",start=list(df=1))$estimate)Warning
message:In optim(x = c(7.86755, 7.50852, 7.86342, 7.70589, 7.70153,
7.58272, :
one-diml optimization by Nelder-Mead is unreliable:
use "Brent" or optimize() directly
Who can help me to solve this problem?
Best whishes,
Soheila
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