Displaying 1 result from an estimated 1 matches for "gumbel_distribution".
2011 Jul 16
2
ecdf() to nls() - how to transform data?
...39;list' or 'environment' as a data-type, knots(ecdf(mydata))
gives me 'numeric'.
What should I do now?
Thanks in advance - Jochen
Here is the code:
#################################################
# --- Fit ---
# Gumbel-Dist-Function, cumulative,
http://en.wikipedia.org/wiki/Gumbel_distribution
# ( - ( x - mue ) / beta )
# ( -e )^
# F(x) = e^
# formula for fitting-function
# formula: y ~ I( exp(1) ^ ( - exp(1) ) ^ ( - ( x - mue ) / beta ) )
# data: ecdf( hgd$V1 )
# start: list( mue=0.1, beta=0.025 )
gpfunction <- ecdf( hgd$V1 )
gplistrange <- seq( 0.0, 1, by=0...