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On Mon, 13 Feb 2006 17:11:30 -0500, He, Yulei wrote: HY> Hi, there. HY> HY> HY> HY> Does anyone know the R function for calculating the cdf of HY> bivariate normal distribution function? HY> HY> choose among packages...

On Monday 23 June 2003 17:50, Erin Hodgess wrote: > Dear R People: > > Is there a function to find the mode of a data set, please? > > This is the mode as in the value(s) which occur most often. > x...

On Thu, 11 Dec 2008 15:11:06 +0100, Adelchi Azzalini wrote: AA> AA> In practical terms you can still use density(), as indicated above, but AA> selecting a suitably smaller bandwith compared to the one used for AA> density...

Dear List-members, to download a file from the net, the function download.file(..) does the job. However, before embarking on the download, I would like to find out how large the file is. Is there a way to know...

On Tue, 08 Nov 2005 12:02:52 +0100, Ciro Marziliano wrote: CM> CM> How can I obtain the likelihood ratio of a Poisson regression CM> model? likelihood ratio for testing which hypothesis? however, in GLM the deviance provides the...

The new version of a package which I maintain will include a new function which I have ported to R from Matlab. The documentation of this R function indicates the authors of the original Matlab code, reference to their paper...

On Tuesday 24 June 2003 20:19, Tommy E. Cathey wrote: > Does R do cumulative frequency distribution plots? I am not sure you what you mean by that; if it is "empirical cumulative distribution function", then try this: n <-10...

Hi. There must be something about the use of update() which I do not grasp, as the next exercise indicates. Suppose that obj is an object returned by a call to lm() or glm(). Next, a new variable xf is...

On Tuesday 26 August 2003 08:47, Ott Toomet wrote: > Hi, > > are there any function to plot the empirical probability distribution > function? I just don't want to reinvent the wheel... > try this, regards, Adelchi -- n <- 10 x <- rnorm(n...

> the two parts into > ? ? ?Y = p * 0 + (1-p) * X > where p is the proportion of 0's, and X represents the ?continuous > component of the random variable. I must amend myself... what I should have written is Y = I...

On Tue, 24 Jan 2006 08:31:16 +0100 (CET), torsten at hothorn.de wrote: TD> TD> yes, Adelchi, you should definitely submit the package to CRAN! thanks for the feedback I have just now uploaded the 'mnormt' package to...

On Tuesday 20 May 2003 13:03, Henrik Bengtsson wrote: > In R '\' has to be escaped, i.e. '\\' which means '\\' has to be '\\\\' > (this was probably there before the help page was generated!?) > > The following works > > ? ## convert decimal point to...

On Tuesday 06 May 2003 18:01, elvis at xlsolutions-corp.com wrote: > XLSolutions Corporation (www.xlsolutions-corp.com) is proud > to announce May-June 2-day "R/S-plus Fundamentals and Programming > Techniques". > > ****Houston, Tx-----------------> May 22-23 > ****San...

On Wednesday 16 July 2003 20:50, Mike Meyer wrote: > Several people have kindly (and gently) pointed out that the ?qr > documentation states that rank detection does not work for the LAPACK case. > ?Its my fault for assuming that rank...

On Sun, 23 Apr 2006 09:13:35 +0200, Erich Neuwirth wrote: EN> Is there code for bivariate kernel density estimation? EN> For bivariate kernels there is EN> kde2d in MASS EN> kde2d.g in GRASS EN> KernSur in GenKern...

Hi. Could anyone help with the following? > library(RMySQL) Loading required package: methods > handle<-dbDriver("MySQL") > con<-dbConnect(handle, dbname="echp", host="tango", user="aa") Segmentation fault Some variants of the above cheme invariably end up with the same conclusion...

On Mon, Apr 24, 2006 at 03:26:14PM +0100, Tolga Uzuner wrote: > Hi, > > Has pnorm2 been dropped from sn ? Have some code using it which seems to > failt with a new sn update... > > Thanks, > Tolga > yes, I have dropped...

On Wed, 18 Jan 2006 14:58:26 +0100, P. Olsson wrote: PO> Dear R helpers, PO> running the following code of a glm model of the family poisson, PO> gives predicted values < 0. Why? PO> PO> library(MASS) PO...

On Tuesday 10 June 2003 17:31, Masayoshi Hayashi wrote: > I am learning glm function, but how do you fit data using exponential > distribution with glm? The Gamma family is parametrised in glm() by two parameters: mean and dispersion; the...

> Maybe it is reasonable to propose incorporating "drop" as one of the > things you can set with "options"? :-- > > `options' allows the user to set and examine a variety of global > ``options'' which affect the way in which R computes and...