Re: [R] Using multicores in R

Moriah, Since you are doing nested loops, Rcpp may be an easy speed-up. Follow all the links here http://blog.revolutionanalytics.com/2012/11/hadleys-guide-to-high-performance-r-with-rcpp.html for details. HTH, Jim Porzak Minted.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF

Re: [R] Event Studies in R

Ivan, You need to be more specific if you want an answer. What kind of events? With or without attributes? Species extinction? Formula 1 races? Web clicks? Jim Porzak Minted.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ On Sat, Jun 23, 2012 at 5:36

Re: [R] Cluster analysis

Pablo, we've had success using http://mephisto.unige.ch/traminer/preview.shtml to look at marketing paths. Question would be how many distinct case step discriptions are there? HTH, Jim On Jul 26, 2010 9:44 AM, Pablo Cerdeira pablo.cerde...@gmail.com wrote: Hi all, I have no idea if this

[R] SF RUG 2010 kickoff next Tue: John Chambers Drinks!

Computing is hosting the 6:30 Reception to which all useRs are invited. Downtown San Francisco at the Palace Hotel. All details at the above link. Best, Jim Porzak Ancestry.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users

Re: [R] Microsoft SQL Server and R

David, You can certainly use RODBC to get to MS SQL, once you configure the ODBC connection in windows. These days I tend to use RJDBC http://www.rforge.net/RJDBC/ which is a bit less of a hassle. Hint use the jtds driver http://jtds.sourceforge.net/ HTH, Jim Porzak Ancestry.com San Francisco

[R] San Francisco Bay Area R User Group (SFBA RUG) Upcoming Meetings

Analytics World 2010 Kickoff: http://www.meetup.com/R-Users/calendar/11203608/ Please RSVP through the links above. Best, Jim Porzak Ancestry.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ __ R-help@r

Re: [R] Date formats in as.Date

Worik, You need a day! as in: as.Date(1-Sep-1981, format=%d-%b-%Y) ## first of the month HTH, Jim Porzak Ancestry.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ On Thu, Sep 24, 2009 at 4:15 PM, Worik R wor...@gmail.com wrote: I have trouble

Re: [R] Read-in TSV file

Andy, If TSV = tab separated file, then ?read.delim HTH, Jim Porzak Ancestry.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ On Mon, Sep 21, 2009 at 4:00 PM, Andrew Wang hellangel_...@yahoo.comwrote: Is there a standard command that I can use

Re: [R] Zoomable graphs with multiple plots

Tim, I've had success ( user acceptance) simply plotting to a .pdf passing zoom functionality to Acrobat, or whatever. Worked especially well with large US map with a lot of fine print annotation. Of, course, will not replot axes more appropriate for zoom level. HTH, Jim Porzak Ancestry.com

[R] as.is for dbGetQuery?

to a factor - which kills performance when I go against a production table with a few 100k rows. Using read.table() against the equivalent text file allows me to say as.is = 1 resulting in characters. I don't see any equivalent in dbGetQuery (nor in dbSetQuery fetch) What am I missing? TIA, Jim Porzak

[R] SFBA R Users Group - Fall kickoff w/ Hadley Wickham, more news, call for presenters

to an enthusiast bunch of gRoupies, please contact Mike Driscoll or myself. Best, Jim Porzak Ancestry.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

Re: [R] R User Group listings

Fritz, Thanks for link in News! Looking forward to link in Misc. (I agree with on par concept) John, To address how do we get started questions - how about a sub-page on R wiki where we can post what we've learned some of issues encountered? Best, Jim Porzak Ancestry.com San Francisco, CA

Re: [R] SECOND MESSAGE: Re: Question about R an SPSS

Diego, Start with Bob Muenchen's site: http://www.rforsasandspssusers.com/ HTH, Jim Porzak TGN.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ On Mon, Jun 8, 2009 at 5:47 PM, DIEGO CHAVEZ diego.cha...@andinanet.netwrote: Sent: Sunday, June 07

[R] list to data frame; how to store short elements?

inclined to make these attributes of the data frame. Any better technique? TIA, Jim Porzak TGN.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ [[alternative HTML version deleted]] __ R-help@r

[R] Reminder: useR Group SFBA - R Graphics Survey - Nicholas Lewin-Koh

many of you there! Best, Jim Porzak www.TGN.com San Francisco, CA www.linkedin.com/in/jimporzak use R! Group SF: www.meetup.com/R-Users/ [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

Re: [R] help with duplicates

Chris, How large is large? How may columns? Duplicate across all columns of just some? Henrique gave you simple R answer. Perhaps doing in SQL is more efficient? eg SELECT DISTINCT stuff FROM somewhere; HTH, Jim Porzak TGN.com San Francisco, CA www.linkedin.com/in/jimporzak

[R] use R Group SFBA April meeting reminder; video of Feb kickoff

discussion at Predictive Analytics World The R and Science of Predictive Analytics: Four Case Studies in R with * Bo Cowgill, Google * Itamar Rosenn, Facebook * David Smith, Revolution Computing * Jim Porzak, The Generations Network and chaired by Michael Driscoll, Dataspora LLC see

Re: [R] use R Group SFBA April meeting reminder; video of Feb k

for me in Firefox 3. On Mon, Mar 30, 2009 at 3:55 PM, Ted Harding ted.hard...@manchester.ac.uk wrote: On 30-Mar-09 22:13:04, Jim Porzak wrote: Next week Wednesday evening, April 8th, Mike Driscoll will be talking about Building Web Dashboards using R see: http://www.meetup.com/R-Users

[R] use R Group SFBA March meeting reminder

people attend our 2009 kick-off meeting in cooperation with Predictive Analytics World (see Group link below). Based on that response, we are now scheduling out the rest of the year. PRESENTERS needed! Please contact Mike or myself if you are interested in presenting. Best, Jim Porzak TGN.com San

[R] San Francisco use R! Group - Reminder Call for Presenters

* Itamar Rosenn, Facebook * David Smith, Revolution Computing * Jim Porzak, The Generations Network * Chaired by Michael Driscoll, Dataspora LLC We already have over 50 folks who intend to come! Still plenty of room. This is your best opportunity meet mingle with the local R

Re: [R] Cluster analysis question

Dan, Check out Fritz Leisch's flexclust package. HTH, Jim Porzak TGN.com San Francisco, CA http://www.linkedin.com/in/jimporzak use R! Group SF: http://ia.meetup.com/67/ On Fri, Feb 6, 2009 at 7:11 AM, Dan Stanger dstan...@eatonvance.com wrote: Hello All, I have data where each feature data

Re: [R] How do I get my IT department to bless R?

push back from IT. HTH, Jim Porzak TGN.com San Francisco, CA http://www.linkedin.com/in/jimporzak use R! Group SF: http://ia.meetup.com/67/ On Thu, Jan 29, 2009 at 5:13 PM, Erik Iverson iver...@biostat.wisc.edu wrote: This is a very broad question, and the answer is going to depend on your

[R] San Francisco use R! Group 2009 kick off meeting

All Bay Area useRs: Mike I are pleased to announce that the kick off meeting for the San Francisco use R! Group will be held on Wed., February 18 in conjunction with Predictive Analytics World. See the meetup page for details: http://ia.meetup.com/67/calendar/9573566/ Best, Jim Porzak TGN.com

[R] suppressing time shift in plot of POSIXct object?

Sys.timezone() # [1] PST #But doing: plot(y ~ t, type = l) results in plot starting at 09:00 (here in California) I've poked around in help, etc but haven't any way to force use of timezone in t. What am I missing? TIA, Jim Porzak TGN.com San Francisco, CA http://www.linkedin.com/in/jimporzak

Re: [R] how to study the lead and lag relation of two time series?

Try a search on cross correlation time series HTH, Jim Porzak TGN.com San Francisco, CA http://www.linkedin.com/in/jimporzak use R! Group SF: http://ia.meetup.com/67/ On Wed, Jan 21, 2009 at 5:17 PM, Michael comtech@gmail.com wrote: Hi all, Is there a way to study the lead and lag

Re: [R] about randomForest

time intensive. Suggest proximity = FALSE until, other things sorted out. HTH, Jim Porzak TGN.com San Francisco, CA http://www.linkedin.com/in/jimporzak useR Group SF: http://ia.meetup.com/67/ 2008/12/26 wanghong wangh...@neusoft.edu.cn hello, I want to use randomForest to classify a matrix

Re: [R] Staging area for data before read into R

each column - which most users don't do). Integers are interpreted as dates, high order zeros are stripped off of ZIP codes, and the like. HTH, Jim Porzak TGN.com San Francisco, CA http://www.linkedin.com/in/jimporzak useR Group SF: http://ia.meetup.com/67/ On Mon, Oct 20, 2008 at 11:27 AM

Re: [R] odfWeave problem in 7.1?

Brian, A VERY belated thank you for your patch to XML package! It does, as expected, fix problems I was having. Best, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak useR Group SF: http://ia.meetup.com/67/ On Sat, Jul 12, 2008 at 10:39 AM, Prof Brian Ripley

Re: [R] viewing data in something similar to 'R Data Editor'

Rachel, You may want to try JGR, http://jgr.markushelbig.org/JGR.html which has, among many nice IDE features, an object browser that will do what you want. HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak useR Group SF: http://ia.meetup.com/67/ On Fri

Re: [R] RODBC to query an Oracle table

them in R. If the query is at all non-trivial, I tend to save it in text form from DbViz and point to it in R with something like: query - readChar(paste(path2sql, MySelect.sql, sep = ), nchars = 99) Usage - dbGetQuery(conn, query) HTH, Jim Porzak Responsys, Inc. San Francisco, CA http

Re: [R] Legality Question about R's Open Source GNU GPL License

All this is included in the distribution in doc folder: 1. see FAQ: 2.11 Can I use R for commercial purposes? 2. Specific GNU License is in file COPYING HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Mon, Jul 28, 2008 at 11:32 AM, zerfetzen [EMAIL

Re: [R] Simple... but...

Hi Shubha, Assuming you are after ordering by position in x and y (and not values), how about as.vector(t(cbind(x, y))) HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Wed, Jul 23, 2008 at 5:54 AM, Shubha Vishwanath Karanth [EMAIL PROTECTED] wrote

Re: [R] randomForest Tutorial

/JimPorzak_RFwithR_DMAAC_Jan07_webinar.pdf is all on randomForest The latter two focus on the use of randomForest in marketing on the binary response problem For the variable selection problem you mention, check out Ramon Diaz-Uriate's package varSelRF on your local CRAN. HTH, Jim Porzak Responsys

Re: [R] odfWeave problem in 7.1?

. -Jim On Thu, Jul 10, 2008 at 11:35 PM, Dieter Menne [EMAIL PROTECTED] wrote: Jim Porzak jporzak at gmail.com writes: I just noticed that CRAN Package check Error for Windows Mac: http://www.r-project.org/nosvn/R.check/r-patched-windows-x86_64/odfWeave-00check.html I've run

[R] odfWeave problem in 7.1?

styles.xml Renaming styles_2.xml to styles.xml Removing extra files Packaging file using zip -r 24HF_MonthlyLoadQA20Counts_Source.odt . Copying 24HF_MonthlyLoadQA20Counts_Source.odt Resetting wd Removing C:/Data/24HF_QA/R/DocsPlots/Work Done Any ideas? TIA, Jim Porzak Responsys, Inc

Re: [R] odfWeave problem in 7.1?

I just noticed that CRAN Package check Error for Windows Mac: http://www.r-project.org/nosvn/R.check/r-patched-windows-x86_64/odfWeave-00check.html -Jim On Thu, Jul 10, 2008 at 3:03 PM, Jim Porzak [EMAIL PROTECTED] wrote: Max Friends, I've run into a problem with odfWeave 0.7.5 running

[R] Interest in a Use R Group in San Francisco area?

And, if you are doing some interesting business intelligence related work in R, we would love to mention it in the survey part of the talk. Best, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak __ R-help@r-project.org

Re: [R] Problem reading a CSV

Nina, read.csv() will default fill = TRUE, or add to your read.table() argument list. If that does not help, you will need to use col.names argument. see ?read.table HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Mon, Jun 30, 2008 at 11:16 AM, [EMAIL

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

user base. We're using a very simple Tomcat setup within our firewall to provide access to canned R scripts. HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Tue, Jun 24, 2008 at 11:01 AM, Roger Leenders [EMAIL PROTECTED] wrote: R 2.7.0, WinXP Hi list

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

The user of your R script sees only the outputs you create. The R source is hidden. HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Tue, Jun 24, 2008 at 9:33 PM, Esmail Bonakdarian [EMAIL PROTECTED] wrote: Jim Porzak wrote: Roger, Following

Re: [R] help with subset

code. -- HTH/Best, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read

Re: [R] Equivalent of Excel pivot tables in R

, self-contained, reproducible code. -- HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r

Re: [R] [Fwd: Re: Response to R across the university]

code. -- HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

Re: [R] Scatterplot Showing All Points

Wayne, I am fond of the bagplot (think 2D box plot) to replace scatter plots for large N. See http://www.wiwi.uni-bielefeld.de/~wolf/software/aplpack/ and aplpack in CRAN. -- HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On Dec 17, 2007 5:14 PM, Wayne

Re: [R] (no subject)

need to force date to be a character, either at read.table time or by doing: temp - as.Date(as.character(A$date), format=%Y%m%d%H) temp [1] 2006-07-01 2006-07-01 2006-07-01 2006-07-01 2006-07-01 [6] 2006-07-01 2006-07-01 2006-07-01 2006-07-01 2006-07-01 -- HTH, Jim Porzak Responsys, Inc. San

Re: [R] continuous boxplot?

/JimPorzak_CIwithR_useR2006_tutorial.pdf -- HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On 10/1/07, Karin Lagesen [EMAIL PROTECTED] wrote: I have two vectors x and y, which I would like to plot against each other. I am also displaying other data in this plot. However