search for: ry84

...plot(c(0,4), c(-3,3), type="n", xaxt="n", yaxt="n") boxplot(x ~ f, add=TRUE) My expectation is that a high-level plotting function will not mess with the axes when called with add=TRUE. Is this a bug or is my expectation wrong? Richard Raubertas Biometrics Research, RY84-16 Merck & Co. ------------------------------------------------------------------------------

...F used instead of FALSE Execution halted Looks like the same problem as before, but at a different place. Mandrake Linux 9.0 with gcc. Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw@merck.com ------------------------------------------------------------------------------

..., the same example works as expected; execution is stopped and I can usefully browser() as it is designed. As always, any advice is welcome. Thanks, Bill ---------------------------------------- Bill Pikounis, Ph.D. Biometrics Research Department Merck Research Laboratories PO Box 2000, MailDrop RY84-16 126 E. Lincoln Avenue Rahway, New Jersey 07065-0900 USA v_bill_pikounis at merck.com Phone: 732 594 3913 Fax: 732 594 1565 ------------------------------------------------------------------------------

...=========== In the resulting help page, the passages between \item{}'s all disappeared! Is there any way to make it work? Thanks a lot for any tips! Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw@merck.com ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (Whitehouse Station, New Jersey, USA) that may be con...

...ingw32 system = i386, mingw32 status = major = 1 minor = 7.0 year = 2003 month = 04 day = 16 language = R Windows NT 4.0 (build 1381) Service Pack 6 Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw@merck.com ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, cont... {{dropped}}

...domForest.default(m, y, ...) > test.dat[sample(1:1000, 100),"a"] <- runif(100, 1, 200) > t8 <- randomForest(a ~ b + c, data = test.dat) Some other generated data might come up with the error, but I'd bet on the subsetting problem. Hope this helps, -Matt Matthew Wiener RY84-202 Applied Computer Science & Mathematics Dept. Merck Research Labs 126 E. Lincoln Ave. Rahway, NJ 07065 732-594-5303 -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Christian Schulz Sent: Wednesday, December 03,...

...drive, then again to a network drive, it works fine. It also >works fine with setwd() from the command prompt. > >Best, >Andy > >Andy I. Liaw, PhD >Biometrics Research Phone: (732) 594-0820 >Merck & Co., Inc. Fax: (732) 594-1565 >P.O. Box 2000, RY84-16 Rahway, NJ 07065 >mailto:andy_liaw at merck.com > > > >------------------------------------------------------------------------------ >Notice: This e-mail message, together with any attachments, contains >information of Merck & Co., Inc. (Whitehouse Station, N...

...ther possibility is to notify the user that a package contains the appropriate method and ask if it should be loaded. Can such a thing be done? Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw at merck.com ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (Whitehouse Station, New Jersey, USA) that may be...

...draws a scatterplot with histograms drawn on the margins. The histograms were drawn by barplot(), and, IMHO, look rather hideous in the colors. Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw at merck.com ------------------------------------------------------------------------------

...draws a scatterplot with histograms drawn on the margins. The histograms were drawn by barplot(), and, IMHO, look rather hideous in the colors. Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw at merck.com ------------------------------------------------------------------------------

...attice commands? Any workaround or advice is appreciated. Thanks in advance, Bill ---------------------------------------- Bill Pikounis, Ph.D. Biometrics Research Department Merck Research Laboratories PO Box 2000, MailDrop RY70-38 ## Please note that as of Wed 12 Jun 2002 ## MailDrop will be RY84-16 126 E. Lincoln Avenue Rahway, New Jersey 07065-0900 USA v_bill_pikounis at merck.com Phone: 732 594 3913 Fax: 732 594 1565 ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, contains information of Merc...

Hi, This is more a statistics question rather than R question. But I thought people on this list may have some pointers. MY question is like the following: I would like to have a robust regression line. The data I have are mostly clustered around a small range. So the regression line tend to be influenced strongly by outlier points (with large cook's distance). From the application 's

...parallel, as can be done quite easily with Prof. Tierney's "snow" package. As always, comments/bug reports/patches welcomed. Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw at merck.com ------------------------------------------------------------------------------

...n. If I first change dir to a local drive, then again to a network drive, it works fine. It also works fine with setwd() from the command prompt. Best, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw at merck.com ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (Whitehouse Station, New Jersey, USA) that may b...

...your post from earlier this year in which you were soliciting > help on compiling R as a 64-bit application under AIX. We have been having > trouble with the same problem. > > Have you gotten anywhere? > > Thanks for any help. > > Best regards, > > Matthew Wiener > RY84-202 > Applied Computer Science & Mathematics Dept. > Merck Research Labs > 126 E. Lincoln Ave. > Rahway, NJ 07065 > 732-594-5303 Matthew, Liu first sorry for the delay in answering, but I was buried in an important project. I can offer you a solution that was actually found b...

...ry little info on this topic. For example, how do I examine (print) arrays and values of arguments being passed in? Any help much appreciated! Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw@merck.com ========================== library(randomForest) library(mlbench) data(Soybean) Soybean <- Soybean[complete.cases(Soybean),] ## Drop empty levels: Soybean <- lapply(Soybean, function(x) factor(as.character(x))) nreps <- 100 rf.err...

...ing for, or tell me a better way to go about filtering the file in the first place. I'd prefer not to scan in everything and do the subsetting in R; the files I'm using are very large, and the whole point is not to have to load the whole file into memory. Thanks very much, Matthew Wiener RY84-202 Applied Computer Science & Mathematics Dept. Merck Research Labs 126 E. Lincoln Ave. Rahway, NJ 07065 732-594-5303 ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments,...{{dropped}}

R Users: How can I catch R errors and depend on this error call other R functions in Perl? The foolowing is the error message when I use perl call R. Error in nls(modout ~ exp(-b1 * modin)/(b2 + b3 * modin), trace = F, start = c(b1 = 0.005, : singular gradient Segmentation fault Thanks, Zhongming

...to print the graph, the printer selection dialog box does not show up until I go to the *R* buffer and hit return there. Anyone have any ideas? Regards, Andy Andy I. Liaw, PhD Biometrics Research Phone: (732) 594-0820 Merck & Co., Inc. Fax: (732) 594-1565 P.O. Box 2000, RY84-16 Rahway, NJ 07065 mailto:andy_liaw at merck.com ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (Whitehouse Station, New Jersey, USA) that may be...

...consistent with Prof. Breiman's suggestion. > > Questions/comments/bug-reports/patches welcomed! > > Regards, > Andy > Andy I. Liaw, PhD > Biometrics Research Phone: (732) 594-0820 > Merck & Co., Inc. Fax: (732) 594-1565 > P.O. Box 2000, RY84-16 Rahway, NJ 07065 > mailto:andy_liaw at merck.com > > > > > -------------------------------------------------------------- > ---------------- > Notice: This e-mail message, together with any attachments, > contains information of Merck & Co., Inc. (...