[R] Memory management

Windows XP Any suggestions? W. Michael Conklin Chief Methodologist Google Voice: (612) 56STATS MarketTools, Inc. | www.markettools.comhttp://www.markettools.com 6465 Wayzata Blvd | Suite 170 | St. Louis Park, MN 55426. PHONE: 952.417.4719 | CELL: 612.201.8978 This email and attachment(s) may

Re: [R] Anyone successfully install Rgraphviz on windows with R 2.13?

Thanks to everyone who responded. The ReadMe file did the trick. It is too bad that it is so well hidden :) W. Michael Conklin Chief Methodologist Google Voice: (612) 56STATS MarketTools, Inc. | www.markettools.com 6465 Wayzata Blvd | Suite 170 |  St. Louis Park, MN 55426.  PHONE: 952.417.4719

[R] Anyone successfully install Rgraphviz on windows with R 2.13?

to find the needed dll files. So, even though I have added the appropriate directories to the system path R cannot seem to find them. Any tips would be appreciated. W. Michael Conklin Chief Methodologist Google Voice: (612) 56STATS MarketTools, Inc. | www.markettools.comhttp://www.markettools.com

[R] Windows editor suggestions - autosave

like a system that does not require me to remember to hit the save button on my script every 10 minutes so that I can avoid redoing everything. W. Michael Conklin Chief Methodologist Google Voice: (612) 56STATS MarketTools, Inc. | www.markettools.com 6465 Wayzata Blvd | Suite 170 |  St. Louis Park

Re: [R] Analogue to SPSS regression commands ENTER and REMOVE in R?

I bet you stirred the pot here because you arre asking about stepwise procedures. Look at step, or stepAIC in the MASS library. \Mike On Thu, 4 Mar 2010 07:47:34 -0800 Dimitri Liakhovitski ld7...@gmail.com wrote: I am not sure if this question has been asked before - but is there a

[R] Scraping a web page

appreciated - I will not know the structure of the URLs I would submit in advance. Any suggestions on where to look would be greatly appreciated. Mike W. Michael Conklin Chief Methodologist MarketTools, Inc. | www.markettools.comhttp://www.markettools.com 6465 Wayzata Blvd | Suite 170 | St. Louis

Re: [R] Mixed effect multinomial regression

The bayesm package implements such models. Hth, Mike On Tue, 6 Oct 2009 12:41:18 -0700 James Martin just.strut...@gmail.com wrote: Hello list, I was trying to investigate the possible use of a mixed effect multinomial logit model in R. Does anyone have suggestions on where to find

Re: [R] Problem with predict.coxph

on the data are only available in 2.8 or greater - meaning I am currently looking at trying to run two different versions of R to get the project done. TIA, Michael Conklin -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Michael Conklin

[R] Problem with predict.coxph

: 'newdata' had 25 rows but variable(s) found have 43350 rows Does anyone have an idea what is going on? Best regards, Michael Conklin W. Michael Conklin Chief Methodologist MarketTools, Inc. | www.markettools.comhttp://www.markettools.com 6465 Wayzata Blvd | Suite 170 | St. Louis Park, MN 55426

[R] Problem with Random Forest predict

.1252;LC_MONETARY=English_United States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] randomForest_4.5-30 Any ideas would be greatly appreciated. W. Michael Conklin

Re: [R] performing function on data frame

newDF-as.data.frame(scale(oldDF)) see ?scale Hope that helps. Michael Conklin -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Karin Lagesen Sent: Thursday, April 16, 2009 5:29 AM To: r-help@r-project.org Subject: Re: [R

Re: [R] Convert bits to numbers in base 10

the big vs little endian issue you can just remove the rev from Marc's code below. Michael Conklin -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Marc Schwartz Sent: Thursday, April 09, 2009 4:51 PM To: Jorge Ivan Velez Cc: R-help

Re: [R] Winsorizing Multiple Variables

Don't sort y. Calculate xbot and xtop using xtemp-quantile(y,c(tr,1-tr),na.rm=na.rm) xbot-xtemp[1] xtop-xtemp[2] -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Karl Healey Sent: Friday, January 16, 2009 2:51 PM To:

Re: [R] running R-code outside of R

Spencer Graves wrote: If you want to hide the fact that you are using R -- especially if you charge people for your software that uses R clandestinely -- that's a violation of the license (GPL). I doubt if anyone associated with R would bother with a lawsuit, but a competitor who offers

Re: [R] LDA on pre-assigned training and testing data sets

I think this line mafdiscpred - predict(mafdisc, data = test) needs to be mafdiscpred - predict(mafdisc, newdata = test) Michael Conklin Chief Methodologist - Advanced Analytics MarketTools, Inc. 6465 Wayzata Blvd. Suite 170 Minneapolis, MN 55426 Tel: 952.417.4719 | Mobile

Re: [R] request: a class having max frequency

The 0 is the name of the item and the 1 is the index in f of the maximum class. (since f is a table, and the first element of the table is the maximum, which.max returns a 1) So, if you just want to know which class is maximum you can say names(which.max(f)) Michael Conklin Chief

Re: [R] Percentages for categorical data by group

tapply(example.data$responseVar,example.data$groupVar,function(x){prop.t able(table(x))}) Michael Conklin Chief Methodologist - Advanced Analytics MarketTools, Inc. 6465 Wayzata Blvd. Suite 170 Minneapolis, MN 55426 Tel: 952.417.4719 | Mobile:612.201.8978 [EMAIL PROTECTED

Re: [R] Percentages for categorical data by group

prop.table(table(factor(x,levels=1:5))) Michael Conklin Chief Methodologist - Advanced Analytics MarketTools, Inc. 6465 Wayzata Blvd. Suite 170 Minneapolis, MN 55426 Tel: 952.417.4719 | Mobile:612.201.8978 [EMAIL PROTECTED] MarketTools(r)http://www.markettools.com This e

Re: [R] Problem with R version 2.6.0

a new shortcut for a specific project. The beauty of R is that there are multiple ways to do many things and the user can find the way that is best for him. Michael Conklin __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help