[R] [Fwd: maximum likelihood estimate]

suhaila at mel.fs.utm.my suhaila at mel.fs.utm.my
Tue Mar 7 02:28:32 CET 2006

---------------------------- Original Message ----------------------------
Subject: [R] maximum likelihood estimate
From:    suhaila at mel.fs.utm.my
Date:    Mon, March 6, 2006 1:14 pm
To:      r-help at stat.math.ethz.ch

Recently I try to find the method  maximum
likelihood for gamma,weibull,Pearson type III,Kappa Distribution,
mixed exponential distribution, skew distribution.
I have tried function ms() for gamma two parameters and weibull two
parameters.It works but not for Pearson type III. I have problem to find
the likelihood function for mixed exponential distribution and kappa
So can anyone tell me the programming for those functions?
especially in finding their maximum likelihood,because I have trouble to
write down the likelihood function for mixed exponential distribution and
the other two.If possible ,how to get the hessian matrix?
Currently I am using SPlus 6.2.


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