--- "Liaw, Andy" <[EMAIL PROTECTED]> wrote: > Looks very neat, Gabor! > > I just cannot fathom why anyone who want to write > numerics with those > separators in a flat file. That's usually not for > human consumption, > and computers don't need those separators! > > Andy
It' often a case of taking what you can get. I've seem myself taking formatted numbers from report intended for reading and then cutting and pasting them into a text editor. > From: Gabor Grothendieck > > > > That could be accomplished using a custom class > like this: > > > > library(methods) > > setClass("num.with.junk") > > setAs("character", "num.with.junk", > > function(from) as.numeric(gsub(",", "", from))) > > > > > > ### test ### > > > > Input <- "A B > > 1,000 1 > > 2,000 2 > > 3,000 3 > > " > > DF <- read.table(textConnection(Input), header = > TRUE, > > colClasses = c("num.with.junk", "numeric")) > > str(DF) > > > > > > > > On 4/30/07, Liaw, Andy <[EMAIL PROTECTED]> > wrote: > > > Still, though, it would be nice to have the data > read in > > correctly in > > > the first place, instead of having to do this > kind of > > post-processing > > > afterwards... > > > > > > Andy > > > > > > From: Bert Gunter > > > > > > > > Nothing! My mistake! gsub -- not sub -- is > what you want to > > > > get 'em all. > > > > > > > > -- Bert > > > > > > > > > > > > Bert Gunter > > > > Genentech Nonclinical Statistics > > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > > [mailto:[EMAIL PROTECTED] On > Behalf Of > > Marc Schwartz > > > > Sent: Monday, April 30, 2007 10:18 AM > > > > To: Bert Gunter > > > > Cc: r-help@stat.math.ethz.ch > > > > Subject: Re: [R] thousand separator (was RE: > weight) > > > > > > > > Bert, > > > > > > > > What am I missing? > > > > > > > > > print(as.numeric(gsub(",", "", > "1,123,456.789")), 10) > > > > [1] 1123456.789 > > > > > > > > > > > > FWIW, this is using: > > > > > > > > R version 2.5.0 Patched (2007-04-27 r41355) > > > > > > > > Marc > > > > > > > > On Mon, 2007-04-30 at 10:13 -0700, Bert Gunter > wrote: > > > > > Except this doesn't work for "1,123,456.789" > Marc. > > > > > > > > > > I hesitate to suggest it, but gregexpr() > will do it, as it > > > > captures the > > > > > position of **every** match to ",". This > could be then used > > > > to process the > > > > > vector via some sort of loop/apply > statement. > > > > > > > > > > But I think there **must** be a more elegant > way using > > > > regular expressions > > > > > alone, so I, too, await a clever reply. > > > > > > > > > > -- Bert > > > > > > > > > > > > > > > Bert Gunter > > > > > Genentech Nonclinical Statistics > > > > > > > > > > -----Original Message----- > > > > > From: [EMAIL PROTECTED] > > > > > [mailto:[EMAIL PROTECTED] On > Behalf Of > > Marc Schwartz > > > > > Sent: Monday, April 30, 2007 10:02 AM > > > > > To: Liaw, Andy > > > > > Cc: r-help@stat.math.ethz.ch > > > > > Subject: Re: [R] thousand separator (was RE: > weight) > > > > > > > > > > One possibility would be to use something > like the following > > > > > post-import: > > > > > > > > > > > WTPP > > > > > [1] 1,106.8250 1,336.5138 > > > > > > > > > > > str(WTPP) > > > > > Factor w/ 2 levels > "1,106.8250","1,336.5138": 1 2 > > > > > > > > > > > as.numeric(gsub(",", "", WTPP)) > > > > > [1] 1106.825 1336.514 > > > > > > > > > > > > > > > Essentially strip the ',' characters from > the factors and > > > > then coerce > > > > > the resultant character vector to numeric. > > > > > > > > > > HTH, > > > > > > > > > > Marc Schwartz > > > > > > > > > > > > > > > On Mon, 2007-04-30 at 12:26 -0400, Liaw, > Andy wrote: > > > > > > I've run into this occasionally. My > current solution is > > > > simply to read > > > > > > it into Excel, re-format the offending > column(s) by > > unchecking the > > > > > > "thousand separator" box, and write it > back out. Not > > > > exactly ideal to > > > > > > say the least. If anyone can provide a > better solution > > > > in R, I'm all > > > > > > ears... > > > > > > > > > > > > Andy > > > > > > > > > > > > From: Natalie O'Toole > > > > > > > > > > > > > > Hi, > > > > > > > > > > > > > > These are the variables in my file. I > think the > > > > variable i'm having > > > > > > > problems with is WTPP which is of the > Factor type. Does > > > > > > > anyone know how to > > > > > > > fix this, please? > > > > > > > > > > > > > > Thanks, > > > > > > > > > > > > > > Nat > > > > > > > > > > > > > > data.frame': 290 obs. of 5 variables: > > > > > > > $ PROV : num 48 48 48 48 48 48 48 48 > 48 48 ... > > > > > > > $ REGION: num 4 4 4 4 4 4 4 4 4 4 ... > > > > > > > $ GRADE : num 7 7 7 7 7 7 7 7 7 7 ... > > > > > > > $ Y_Q10A: num 1.1 1.1 1.1 1.1 1.1 1.1 > 1.1 1.1 1.1 1.1 ... > > > > > > > $ WTPP : Factor w/ 1884 levels > > > > > > > "1,106.8250","1,336.5138",..: 1544 67 > > > > > > > 1568 40 221 1702 1702 1434 310 310 ... > > > > > > > > > > > > > > > > > > > > > __________________ > > > > > > > > > > > > > > > > > > > > > > > > > > > > --- Douglas Bates <[EMAIL PROTECTED]> > wrote: > > > > > > > > > > > > > > > On 4/28/07, John Kane > <[EMAIL PROTECTED]> wrote: > === message truncated === ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.