Re: [R] 'R' Software Output Plagiarism

Your professor should immediately recognize that the quoted code is standard regression input/output and that the Urkund results in this case are without merit. > On Sep 22, 2015, at 7:27 AM, BARRETT, Oliver wrote: > > > Dear 'R' community support, > > > I am a student at Skema business sc

[R] Using choiceDes Package to Design MaxDiff?

I’m seeking to design a MaxDiff experiment that will have a number of blocks of this type: Which of these items is the most important? Which of these items is the least important? Item 1 Item 2 Item 3 Item 4 I’m seeking to use the choiceDes package

[R] Using choiceDes Package to Design MaxDiff?

I’m seeking to design a MaxDiff experiment that will have a number of blocks of this type: Which of these items is the most important? Which of these items is the least important? Item 1 Item 2 Item 3 Item 4 I’m seeking to use the choiceDes package

[R] Conjoint Package

I’m very glad to see the Conjoint Package for R. The documentation for it does not appear to specify methods for data acquisition. Are the cards to be individually scored by each respondent (most clients would rather see a choice-based methodology)? SurveyGizmo, an excellent online survey host

[R] Conjoint Package

I’m very glad to see the Conjoint Package for R. The documentation for it does not appear to specify methods for data acquisition. Are the cards to be individually scored by each respondent (most clients would rather see a choice-based methodology)? SurveyGizmo, an excellent online survey host

Re: [R] Decision Tree: Am I Missing Anything?

Bhupendrashinh, thanks again for telling me about RWeka. That made a big difference in a job I was working on this week. Have a great weekend. -Vik __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the

Re: [R] Decision Tree: Am I Missing Anything?

eka_control(R = TRUE, >> M = 10)) etc. >> >> - There are various other ways of fitting decision trees, see for example >> http://CRAN.R-project.org/view=MachineLearning for an overview. In >> particular, you might like the "partykit" package which additionally

Re: [R] Decision Tree: Am I Missing Anything?

gt; > Please let us know your findings. All the best. > > Best Regards, > > Bhupendrasinh Thakre > Sent from my iPhone > > On Sep 21, 2012, at 12:16 AM, Vik Rubenfeld wrote: > >> Bhupendrashinh, thanks very much! I ran J48 on a respondent-level data set

Re: [R] Decision Tree: Am I Missing Anything?

For predictions having more than 2 levels I will go for Weka and > specifically C4.5 algorithm. You also have the RWeka package for it. > > Best Regards, > > Bhupendrasinh Thakre > Sent from my iPhone > > On Sep 20, 2012, at 9:47 PM, Vik Rubenfeld wrote: > >> I

Re: [R] Decision Tree: Am I Missing Anything?

Thanks! Here's the dput output: > dput(test.df) structure(list(BRND = structure(c(1L, 12L, 16L, 17L, 18L, 19L, 20L, 21L, 22L, 2L, 3L, 4L, 5L, 6L, 7L, 8L, 9L, 10L, 11L, 13L, 14L, 15L), .Label = c("Brand 1", "Brand 10", "Brand 11", "Brand 12", "Brand 13", "Brand 14", "Brand 15", "Brand 16", "Bran

[R] Decision Tree: Am I Missing Anything?

I'm working with some data from which a client would like to make a decision tree predicting brand preference based on inputs such as price, speed, etc. After running the decision tree analysis using rpart, it appears that this data is not capable of predicting brand preference. Here's the d

[R] Does A Choice-Based Conjoint Study Have To Be Full Profile?

In a Conjoint study, it's difficult for respondents to evaluate more than 6 product attributes at a time. Some studies require more attributes. Often this is solved via the use of Adaptive Conjoint Analysis (ACA), in which the questionnaire is modified for each individual respondent as the surv

[R] Correct Place to Seek an R-Project Consultant?

I would like to find out how to apply commands found in the bayesm package, to analyze data gathered via a choice-based conjoint study. Is there a web resource where I can seek an R-Project consultant experienced in this, who I could hire to walk me through the appropriate bayesm commands to use

Re: [R] Can't Run "Conjoint" Package - Could not find function "caFactorialDesign"?

Got it. Thanks so much for your help, Michael and Sarah! Best, -Vik On Aug 3, 2012, at 11:50 AM, R. Michael Weylandt wrote: > On Fri, Aug 3, 2012 at 1:34 PM, Sarah Goslee wrote: >> On Fri, Aug 3, 2012 at 2:23 PM, R. Michael Weylandt >> wrote: >>> With conjoint_1.33 and rather up to date depe

Re: [R] Can't Run "Conjoint" Package - Could not find function "caFactorialDesign"?

[1] tools_2.15.1 > Per your recommendation, I have read the Posting Guide, and have sent an email to the Maintainers of this packages as well. Best, -Vik On Aug 3, 2012, at 11:15 AM, Sarah Goslee wrote: > Hi, > > On Fri, Aug 3, 2012 at 1:57 PM, Vik Rubenfeld wrote: >> Thanks ve

Re: [R] Can't Run "Conjoint" Package - Could not find function "caFactorialDesign"?

Aug 3, 2012, at 10:28 AM, Sarah Goslee wrote: > Hi Vik, > > You don't need to post to nabble and to the R-help list. Just skip the > nabble step! > > Have you loaded the package with: > > library(conjoint) # not Conjoint > > before you try to use any of its fun

[R] Can't Run "Conjoint" Package - Could not find function "caFactorialDesign"?

I'm trying to run the "Conjoint" package, and I receive the error: Error: could not find function "caFactorialDesign" I'm running R version 2.15.1 on Mac OS X. I have installed the "Conjoint" package with the "Install Dependencies" checkbox checked. I have clicked the "Update All" button

Re: [R] Storing CA Results to a Data Frame?

ns"]] ## extract the "columns" data.frame > write.csv(auth.ca.rows) ## write results to a .csv file > write.csv(auth.ca.rows) ## "" > > HTH, > Ista > > On Sun, Sep 26, 2010 at 6:10 PM, Vik Rubenfeld wrote:, >> I am successfully performing a corre

[R] Storing CA Results to a Data Frame?

[Sorry- somehow the first time I posted this it got attached to another thread -Vik] I am successfully performing a correspondence analysis using the commands: NonLuxury <- read.table("/Users/myUserName/Desktop/nonLuxury.data.txt") ca(NonLuxury) I would like to store the resu

[R] Storing CA Results to a Data Frame?

I am successfully performing a correspondence analysis using the commands: NonLuxury <- read.table("/Users/myUserName/Desktop/nonLuxury.data.txt") ca(NonLuxury) I would like to store the results to a data frame so that I can write them to disk using write.table. I have tried sev

Re: [R] Newbie Correspondence Analysis Question

Thanks very much. -Vik On Sep 26, 2010, at 9:45 AM, Chris Mcowen wrote: > Have you loaded the library after installing it? > > Either use > library(CA) > > Or > > Through the package manager tab > > Hth > Sent from my iPhone > > On 26 Sep 2010, at

[R] Newbie Correspondence Analysis Question

I'm experienced in statistics, but I am a first-time R user. I would like to use R for correspondence analysis. I have installed R (Mac OSX). I have used the package installer to install the CA package. I have run the following line with no errors to read in the data for a table: Non