search for: gplistrange

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2011 Jul 16
2
ecdf() to nls() - how to transform data?
...ipedia.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=0.001 ) gplist <- gpfunction( gplistrange ) print( gplist ) print( class( gplist ) ) print("---") #res <- nls( y ~ I( exp(1) ^ ( - exp(1) ) ^ ( - ( x - mue ) / beta ) ), df, list( mue=0.1, beta=0.025 ), trace=TRUE ) #print( summary( res ) ) -- View this messa...