search for: zakry001

Displaying 4 results from an estimated 4 matches for "zakry001".

2009 Jun 03
2
code for double sum
...um((besselI(z[i]*bb,eta)*log(z[i]*bb/2) - sm1)/besselI(z[i]*bb,eta))  sm2 } ff2(bb,eta,z,10)     but it gave me the following message:   > source(.trPaths[5], echo=TRUE, max.deparse.length=10000) Error in source(.trPaths[5], echo = TRUE, max.deparse.length = 10000) :   C:\Documents and Settings\zakry001\Application Data\Tinn-R\tmp\selection.r: unexpected end of input at 9: ) > ff2(bb,eta,z,10) Error in ff2(bb, eta, z, 10) : unused argument(s) (10) >   Thank you so much for your time. [[alternative HTML version deleted]]
2008 Dec 03
1
hypergeometric
Hi, I hope somebody can help me on how to use the hypergeometric function. I did read through the R documentation on hypergeometric but not really sure what it means. I would like to evaluate the hypergeometric function as follows: F((2*alpha+1)/2, (2*alpha+2)/2 , alpha+1/2, betasq/etasq). I'm not sure which function should be used- either phyper or qhyper or dhyper Where
2008 Jan 06
3
need help
Hi, I'm Roslina, PhD student of University of South Australia, Australia from school Maths and Stats. I use S-Plus before and now has started using R-package. I used to analyse rainfall data using julian date. Is there any similar function that you can suggest to me to be used in R-package? Thank you so much for your attention and help [[alternative HTML version deleted]]
2010 Jun 10
0
error message in fitting tcopula
Hi r-users, I really need help in fitting the t-copula. I try to reproduce the example given by Jun Yan in "Enjoy the joy of copula" but I'm not sure how to correct the error based on the error message. I tried so many ways but still could not get it working. loglik.marg <- function(b, x) sum(dgamma(x, shape = b[1], scale = b[2], log = TRUE)) ctrl <- list(fnscale