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755 results for “from:Bill Venables”

factorial(), modulus()
Bill Venables · Jul 6, 2000 · r-help

> On Thu, 6 Jul 2000, Pete Hurd wrote: > > > Dear R friends, > > > > I was wondering if there were factorial and modulus functions out there > > that I've somehow overlooked? > > There's gamma and lgamma for factorials > > gamma(x+1) is x...

function "eigen" AND Minitab
Bill Venables · Jul 18, 2008 · r-help

Simple. Minitab must be broken. Have you reported it to them? -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of SH.Chou Sent: Friday, 18 July 2008 5...

How to plot the dendrogram or tree for kmeans ?
Bill Venables · Mar 19, 2008 · r-help

Why do you think there is one? kmeans is an agglomerative clustering algorithm, not a recursively dividing one. Since there is no clustering hierarchy, so there is no dendrogram. -----Original Message----- From: r-help-bounces at r-project.org [mailto...

for loop help
Bill Venables · Sep 14, 2010 · r-help

An envorniment is a hash table. There are several packages that you might care to look at, e.g. filehasn -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf...

Weighted least squares regression for an exponential decay function
Bill Venables · Jan 14, 2011 · r-help

nls in the stats package. ?nls ________________________________________ From: r-help-bounces at r-project.org [r-help-bounces at r-project.org] On Behalf Of Erik Thulin [ethulin at gmail.com] Sent: 15 January 2011 16:16 To: r-help at...

termplot with uniform y-limits
Bill Venables · Jul 2, 2007 · r-devel

Does anyone have, or has anyone ever considered making, a version of 'termplot' that allows the user to specify that all plots should have the same y-limits? This seems a natural thing to ask for, as the plots share...

axis() deficiency (PR#535)
Bill Venables · May 5, 2000 · r-devel

This is more a deficiency than a bug. The axis() function does not seem to allow an axis to be placed internally on the plot (as allowed by the argument pos to the corresponding S function). The help information nevertheless...

termplot with uniform y-limits
Bill Venables · Jul 2, 2007 · r-help

Does anyone have, or has anyone ever considered making, a version of 'termplot' that allows the user to specify that all plots should have the same y-limits? This seems a natural thing to ask for, as the plots share...

Spatiotemporal correlation function
Bill Venables · May 31, 2009 · r-help

This is a new one on me. Do you mean the Kronecker delta, or the Kronecker product? The Kronecker product is more likely. In which case try ?kronecker. It is available as an operator, %x%, as well. Bill Venables. ________________________________________ From...

how to remove "numeric(0)" component from a list
Bill Venables · Jun 28, 2010 · r-help

newlist <- newlist[sapply(newlist, length) > 0] -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of song song Sent: Tuesday, 29 June 2010 2:12 PM To: r-help...

Function to standardize matriz?
Bill Venables · Jul 29, 2009 · r-help

scale? This transforms the columns of a matrix to z-scores. That's one kind of standardisation. Bill Venables http://www.cmis.csiro.au/bill.venables/ -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces...

A simple problem
Bill Venables · Mar 29, 2009 · r-help

-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of minben Sent: Monday, 30 March 2009 12:28 PM To: r-help at r-project.org Subject: [R] A...

tabulate causes segmentation fault (PR#156)
Bill Venables · Apr 3, 1999 · r-devel

Peter, I thought this one was noted and fixed, but I could be wrong. R : Copyright 1999, The R Development Core Team Version 0.63.3 (March 6, 1999) .... [Previously saved workspace restored] > tabulate(1:10, 5) Process R:1...

length of a string
Bill Venables · Sep 5, 2007 · r-help

sLengths <- with(dataFrame, nchar(as.character(SEQUENCE))) Bill Venables CSIRO Laboratories PO Box 120, Cleveland, 4163 AUSTRALIA Office Phone (email preferred): +61 7 3826 7251 Fax (if absolutely necessary): +61 7 3826 7304 Mobile: +61 4 8819 4402 Home Phone...

if using ginv function, does it mean there is no need to use solve function any more?
Bill Venables · Jul 4, 2010 · r-help

ginv() is slower than solve(). This is the price you pay for more generality. -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of song song Sent: Monday, 5...

data frame question
Bill Venables · Feb 14, 2008 · r-help

... or in one step df <- transform(df, col1 = ifelse(col1 > 3, NA, col1)) -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of K. Elo Sent: Friday, 15 February...

Matrix operations
Bill Venables · Jun 28, 2010 · r-help

Since X is a vector, then A <- sum(X, solve(V, X)) is probably slightly better here. -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Dmitrij Kudriavcev...

R-0.90.1 buglet in R shell (PR#375)
Bill Venables · Dec 15, 1999 · r-devel

I recently took "." off my PATH for security reasons and now find that R does not work in my home directory where the .Renviron file resides. The fix is simple. In the R shell startup section replace ". .Renviron" by ". ./.Renviron...

t-distribution
Bill Venables · Aug 1, 2007 · r-help

for the upper tail: > 1-pt(1.11, 9) [1] 0.1478873 -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Nair, Murlidharan T Sent: Thursday...

how to draw a 45 degree line on qqnorm() plot?
Bill Venables · Apr 2, 2005 · r-help

You didn't try very hard. Try this, look at it and think about it: jj <- scale(sample(1:100, 10)) qqnorm(jj) abline(0, 1) Rather than abline, however, most people, however, would use qqline(jj) in which case...

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