Re: [R] all combinations of the elements of two vectors

2011-08-29 Thread Campbell, Desmond
use it to reconfigure the matrix's shape to any that contains the same number of elements. Thanks very much one and all. Regards Desmond -Original Message- From: Petr PIKAL [mailto:petr.pi...@precheza.cz] Sent: 29 August 2011 07:24 To: Campbell, Desmond Cc: r-help@R-project.org Subjec

Re: [R] all combinations of the elements of two vectors

2011-08-27 Thread Campbell, Desmond
11 19:19 To: Campbell, Desmond Cc: r-help@R-project.org Subject: Re: [R] all combinations of the elements of two vectors Hi Desmond, You might try > sort(apply(expand.grid(v1, v2), 1, paste, collapse = "", sep = "")) [1] "a1" "a2" "a3" &qu

[R] all combinations of the elements of two vectors

2011-08-27 Thread Campbell, Desmond
Dear R-help readers, I'm sure this problem has been answered but I can't find the solution. I have two vectors v1 <- c("a","b") v2 <- c(1,2,3) I want an easy way to produce every possible combination of v1, v2 elements Ie I want to produce c("a1","a2","a3", "b1","b2","b3") regards Desmond Desmo

[R] test for whether dataset comes from a known MVN

2007-10-11 Thread Campbell, Desmond
Dear all, I have a multivariate dataset containing 100,000 or more points. I want find the p-value for the dataset of points coming from a particular multivariate normal distribution With mean vector u Covariance matrix s2 So H0: points ~ MVN( u, s2) H1: points not ~ MVN( u, s2) How do