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Hello Nicola, > sentences_trial <- sentences[which(sentences$Cond!= "an"),] That should be == "an" instead of = "an" == is the test for equality whereas = is assignment Michael

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By default everything in an R workspace (data objects, functions etc) will be stored in a file called .RData in the working directory. Please see http://cran.r-project.org/doc/contrib/Paradis-rdebuts_en.pdf Michael

On 29 November 2010 15:09, Joshua Wiley <jwiley.psych at gmail.com> wrote: > (I hope I'm like wine and get better with age or....) > Sigh, me too - but I suspect I'm heading more towards vinegar Michael

Was going to suggest gsub("^[0-9]+ (SPE )?([^ -])( -.*)?", "\\3", s) but I see Wu Gong beat me to the punch with a nicer one :) On 9 August 2010 12:13, Wu Gong <wg2f at mtmail.mtsu.edu> wrote: > > gsub(pattern...

> If it's regular, but incomplete, that method will work. ?If it's > irregular, then no image method will work without first interpolating > a regular grid. Thanks Hadley. As I suspected, but ggplot2 is so very clever that I thought...

> Furthermore can I run following command on R? >> rm /home/userA/.RData .RData contains all of the objects in a workspace (your data, functions etc.). If you start R in a directory that contains a .RData file it will be...

On 7 August 2010 06:26, Hadley Wickham wrote: > library(ggplot2) > qplot(x, y, fill = z, data = df, geom = "tile") Hi Hadley, I read the original question as being about irregularly spaced data. The above method doesn't seem to...

On 7 August 2010 19:56, Martin Maechler wrote: > I'm coming late to the thread, > but it seems that nobody has yet given the advice which I would > very *strongly* suggest to anyone asking for confidence > intervals in GLMs...

On 6 October 2010 20:51, Ivan Calandra <ivan.calandra at uni-hamburg.de> wrote: > > Moreover, Josh wanted the arrow to be really big. Is it possible to make > it bigger? I would be interested too! > Sorry - missed that bit...

On 13 August 2010 23:29, peter dalgaard <pdalgd at gmail.com> wrote: > >> Is there a prize :-) > > Maybe you want to sponsor one, because your solution certainly doesn't work! > > I see 10 games in the 10th round, all involving...

> I was aware of this option.? I was assuming it was not ok to do fit +/- 1.96 > se when you requested probabilities.? If this is legitimate then all the > better. I don't think it is. I understood that...

And my \\3 should have been a \\2 anyway ! On 9 August 2010 12:23, Michael Bedward <michael.bedward at gmail.com> wrote: > Was going to suggest gsub("^[0-9]+ (SPE )?([^ -])( -.*)?", "\\3", s) > but I see Wu Gong beat me...

Hi > I made some design matrix X(in linear regression model) > > I there any method to normalize X? You can normalize a matrix column-wise like this: # m is a matrix apply(m, 2, function(x) x / max(x) ) Or...

On 30 September 2010 02:48, Michael Larkin <mlarkin at rsmas.miami.edu> wrote: > > > > testdat <- replicate( 50, growth[ sample(nrow(growth), 8, rep=TRUE) ] ) > > I can't seem to get it to work. ?I keep getting the error message of...

Hello Alex, Here is one way to do it. It works but it's not pretty :) interp <- approx(c(2, 62), c(3, 34), method="linear", xout=2:62) m <- matrix(c(interp$x, round(interp$y)), ncol=2) tie...

OK, second attempt. I think this one is a goer (hope)... teams <- LETTERS[1:11] matches <- combn(teams, 2) draw <- data.frame(team1=matches[1,], team2=matches[2,]) # someone will know how to do this in one line... time <- numeric...

On 9 August 2010 19:30, Evgenia <evgts at aueb.gr> wrote: > > Function ex works fine BUT I don't want the file of results to have the name > "data Example" but > "exampledata_9810 Example" > How can I do this...

On 20 November 2010 20:57, Stephen Liu <satimis at yahoo.com> wrote: > Hi Michael, > > Thanks for your advice. > > data() only displays a list of files. ?Is there an easy to show the brief > summary of files rather than calling...