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6 results for “from:mingan”

contributed package source codes
mingan · May 3, 2005 · r-help

Is there a way for me to get the source code ( C/C++ or FORTRAN) for a specific R package ? thanks

how ot get covariance matrix from survreg
mingan · Feb 11, 2005 · r-help

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help : Bisect( )
mingan · May 1, 2005 · r-help

I am using the package of Icens but for the function Bisect I do not know what ndir is it just says the direction of pvec, but what kind of values should I use ? thanks for reply pls give me...

rank of a matrix
mingan · May 4, 2005 · r-help

how do I check the rank of a matrix ? say A= 1 0 0 0 1 0 then rank(A)=2 what is this function? thanks I did try help.search("rank"), but all the returned help information seem irrelevant...

maximization help :
mingan · May 2, 2005 · r-help

Given a vector : pvec=(p1,p2,.... p J) with sum(pvec)=1, all the elements are non-negative, that is, they are probabilities a matrix A ( N* J ), with the elements alpha(ij) are 0 or 1 I want to...

help: how to get coefficients from the result
mingan · Feb 24, 2005 · r-help

I am using timereg and Survreg packages below is the output, but how can I get the coefficient for zt1 zt2 directly, that is how can I get 0.000946 and 0.963000 directly ? I tried out$coeff[1,1...

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