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On Thu, 2006-06-01 at 11:06 -0400, Mu Tian wrote: > I want to get index number of 0s, like > > x <- c(1, 2, 0, 3, 0, 4) > > I want an output of > > 3, 5 > > Thank you. See ?which...
On Tue, 2005-12-06 at 16:48 -0200, Alexandre Santos Aguiar wrote: > Hi, > > Found no measure of association or correlation for 2x2 contingency tables in > fullrefman.pdf or google. Can someone point to a package that implements such > calculations...
On Fri, 2006-08-04 at 10:33 -0600, Spencer Jones wrote: > Is there a function in R comparable to rpois that can simulate random > variables from an overdispersed poisson distribution? If there is not a > function any ideas/references...
On Tue, 2006-04-18 at 18:07 +0200, Daniele Medri wrote: > Il giorno mar, 18/04/2006 alle 11.00 -0500, Marc Schwartz (via MN): > > > mylevels<- ...a string with all the levels(af) > > > mylevels <- levels(af) > > > > > mylevels > > [1] "a...
On Wed, 2006-05-24 at 14:45 -0400, Guenther, Cameron wrote: > Hello, > > If I have two variables that are factors or characters and I want to > create a new variable that is the combination of both what function can...
On Tue, 2006-04-18 at 20:53 +0200, Daniele Medri wrote: > Il giorno mar, 18/04/2006 alle 11.29 -0500, Marc Schwartz (via MN): > > > paste(levels(af), collapse = "") > > [1] "ab" > > > > See ?paste. > > :) more simple: toString(levels(x)) > > Thanks...
On Tue, 2006-04-18 at 17:52 +0200, Daniele Medri wrote: > Dear R-users, > > i need to store in a variable a string made from levels of a factor > > e.g. > > a<-("a","a","b","b") The above should...
On Mon, 2006-03-06 at 15:40 +0100, Roland Kaiser wrote: > How can i set a rotation for the names.arg in barplot? See R FAQ 7.27 How can I create rotated axis labels?: http://cran.r-project...
On Mon, 2006-09-18 at 19:31 +0200, I?aki Murillo Arcos wrote: > Hello, > > I don't know if the result of > > acos(0.5) == pi/3 > > is a bug or not. It looks strange to me. > > Inaki Murillo...
On Fri, 2005-10-14 at 00:04 +0200, Benedykt P. Barszcz wrote: > Dnia czwartek, 13 paÂździernika 2005 23:25, Andrew Robinson napisaÂÅ‚: > > Marco, > > > > use the system command. > > > > ?system > > > > I hope that this helps...
On Mon, 2005-10-10 at 10:37 -0400, Afshartous, David wrote: > All, > > Is there are a wildcard in R for varible names as in unix? For example, > > rm(results*) > > to remove all variable or function names that begin w...
On Wed, 2006-01-25 at 09:50 -0500, Farrel Buchinsky wrote: > Power calculations two sample test for proportions is very useful. Is there > a way however, to get away from the two samples being of the same size. What...
On Fri, 2006-02-17 at 17:33 +0100, Knut Krueger wrote: > Is there any function to show the points like this example of SPSS? > > http://biostatistic.de/temp/reg.jpg > > The point size should represent the number of data...
On Wed, 2005-11-16 at 16:46 +0000, JÂörg Schlingemann wrote: > Hi! > > > > This is probably a very trivial question. Is there an easy way to invert the > y-axis (low values on top) when using the...
On Tue, 2006-03-14 at 18:45 +0100, Arnau Mir wrote: > Hello. > > I have a vector of length 2771 but it has only 87 different values. > How can I obtain them? > > Thanks, > > Arnau. If you just want the unique...
On Fri, 2006-07-14 at 18:35 +0200, Mehmet Somel wrote: > Dear /Bill Paterson, > > while trying to find a way to convert SAS code into R, I came across > your one time e-mail message > (http://www.ens.gu...
On Thu, 2006-08-03 at 14:44 -0400, Neil McLeod wrote: > Hi all, > > Is there any way to access a column of a data frame by its label (title) > rather than its column index? For example, I'd like...
On Fri, 2006-10-06 at 17:05 +0100, Mike Ford wrote: > When I do lmer models I only get Estimate, Standard Error and t value in > the output for the fixed effects. > > Is there a way I get degrees...
On Thu, 2005-09-01 at 16:58 +0100, herodote at oreka.com wrote: > hy, > > I need to have the 0 on the bottom left corner of the graph being > joined , not with this little hole between x axis and...
On Thu, 2005-09-29 at 18:36 +0200, Jan Verbesselt wrote: > Hi R-help, > > > > When using the package Design and the plot.Design function all the graphs of > an lrm.fit (lrm()) are plotted without a frame (only with...
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