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" wrote: Hi all, I have no idea if this question is to easy to be an

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

ution 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-

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

tive 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-he

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 wrote: > I

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 wrote: > Is there a standard command that I can use to re

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

[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

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

sent 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.

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 A

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

etc. I'm 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]]

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 wrote: > Sent: Sunday, June 07, 2009 5:43 PM &g

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

see 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/mai

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 FROM ; HTH, Jim Porzak TGN.com San Francisco, CA www.linkedin.com/in/jimporzak us

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

in Firefox 3. > > On Mon, Mar 30, 2009 at 3:55 PM, Ted Harding > 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: h

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

kickoff panel 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

[R] use R Group SFBA March meeting reminder

r 60 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

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

oogle * 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 th

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 wrote: > Hello All, > > I have data where each feature data poi

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 wrote: > This is a very broad question, and the answer is going to depend on your > particular sit

[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

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

02:00 EST" # [4] "2009-01-26 12:03:00 EST" "2009-01-26 12:04:00 EST" "2009-01-26 12:05:00 EST" Sys.timezone() # [1] "PST" #But doing: plot(y ~ t, type = "l") results in plot starting at 09:00 (here in California) I've poked arou

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 wrote: > Hi all, > > Is there a way to study the

Re: [R] about randomForest

emory & 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 > hello, > I want to use randomForest to classify a matrix whic

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

esults (unless you explicitly type 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/

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] 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

Re: [R] RODBC to query an Oracle table

n a SQL aware environment before using 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,

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]>

Re: [R] randomForest Tutorial

chive/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 Po

Re: [R] odfWeave problem in 7.1?

difference. -Jim On Thu, Jul 10, 2008 at 11:35 PM, Dieter Menne <[EMAIL PROTECTED]> wrote: > Jim Porzak 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-

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

[R] odfWeave problem in 7.1?

nts Removing content.Rnw Removing 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

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

=Calendar.eventDetail&eventID=13118 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 __

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, <[EM

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: &

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

your 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: &g

Re: [R] help with subset

hanks in advance > Justin > -- > > [EMAIL PROTECTED] > > -- > > __________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/pos

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

t; R-help@r-project.org 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. > -- HTH, Jim Porzak Responsys, Inc. San Franc

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

de > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- HTH, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak [[alternative HTML version deleted]] __

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)

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 Francisco, CA http://www.linkedin.com/in/jimporzak On 10/10/07, Joao Santos <[

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 ot

Re: [R] sprucing up the R homepage

Hadley, When did you switch to the Marketing MBA program? - Jim On 9/27/07, hadley wickham <[EMAIL PROTECTED]> wrote: > Dear Antony, > > I think you have fundamentally misunderstood the purpose of graphics - > they are not to be used to gain insight into your data, but to add > excitement and in

Re: [R] Line Graph - Greater than 2 variables on plot

ot;function" into a data.frame -- Best, Jim Porzak Responsys, Inc. San Francisco, CA http://www.linkedin.com/in/jimporzak On 9/21/07, hadley wickham <[EMAIL PROTECTED]> wrote: > Or with a little data manipulation, in ggplot2: > > library(ggplot2) > qplot(D, valu

[R] RJDBC connection help needed

unms > where "", "", "" are changed to protect the innocent. note that the dbURL string is exactly what I use in dbVisualizer with success (using WinXP SP2, R 2.5.1, RJDBC 0.1-3) -- TIA, Jim Porzak http://www.linkedin.com/in/jimporzak _