similar to: How to Get Categorical Correlation Coefficient

Displaying 20 results from an estimated 300 matches similar to: "How to Get Categorical Correlation Coefficient"

2006 May 18
1
how to get coefficients of regression or Anova
Hi R Gurus! I conducted regression and anova followings : Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 6.07e-01 5.95e-02 10.19 < 2e-16 *** nemp 2.87e-06 1.04e-07 27.63 < 2e-16 *** as.factor(corridor1)A -8.81e-02 2.13e-02 -4.14 3.6e-05 *** as.factor(corridor1)B
2006 Jul 15
0
How to Interpret Results of Regression in R
----------------------------------------------------------------------------------------------------- Howdy, Gurus I am appying R package for regression analysis as followings. A dependent variable is jhnet that means ratio of dividing internal trip with all trips in a traffic zone. There are many indepentent variables including factor or dummy varibles such as parkfee, ohouse, Devt2, corridor1.
2010 Aug 23
3
Unable to upload images using native rails file upload
I am a rails newbie and am trying to build my first app. I have a jobs and categories controller and models respectively. CONTROLLER: def new @job = Job.new @catergory = Catergory.all respond_to do |format| format.html # new.html.erb format.xml { render :xml => @job } end end #THIS IS A group of 10 RADIO_BUTTONS TO SELECT A CATEGORY FROM. BY DEFAULT THE FIRST
2006 Oct 19
2
How to get multiple Correlation Coefficients
Hi I have used a polycor package for categorical correlation coefficients. I run the following script. But there were no results. Could you tell me how to correct the script? Thanks in advance, vars <- names(sdi) for (i in 1:length(vars)) { for (j in 1:length(vars)) { paste(vars[i]," and ", vars[j]) polychor(vars[i], vars[j]) # corr } } -- Kum-Hoe Hwang, Ph.D.Phone :
2006 Mar 05
2
what is scale function? Is it for variable transformation?
HOwdy I read R books about scale function for variable transformation. Acoording to this book scale function leads me to better regression results. Or am I worng? I hope somebody tell me about a scale function? Is it for variable transformation? -- Kum-Hoe Hwang, Phone : 82-31-250-3516Email : phdhwang@gmail.com [[alternative HTML version deleted]]
2006 May 18
1
how to get correct coefficients from lm model
Howdy I apologize for duplicated posting. But I decided to correct my previous posting. I had the regression results using r <- lm(Y ~ nemp + as.factor(devt), data=d). First, there is the result of anova(r). Here I could not find regression coefficients. Response: Y Df Sum Sq Mean Sq F value Pr(>F) nemp 1 58.2 58.2 1233.23 < 2e-16 ***
2005 Jul 06
2
How to sample x-y coordinates from GIS files
Hi Gurus! I have a job that is to get randomly samples from point-based GIS data (sp called shape GIS files) under the total sum resctricted. For example, I would like to take random smaples under the 1000 persons in each city. The randomly sampled persons should not be over 1000 any case. Thank you in advance, -- Kum-Hoe Hwang, Ph.D. Phone : 82-31-250-3283 Email : phdhwang@gmail.com
2007 Feb 14
1
Any packages for conducting AHP( Analytic Hierarchy Process) data
Hi, R Lovers! I have some survey data. I'd like to run R or R packages for processing data inputted from AHP(Analytic Hierarchy Process) survey. Are there any R packages or subsititues for running data from AHP survey. Thanks in advance, -- Kum-Hoe Hwang, Ph.D.Phone : 82-31-250-3516 Email : phdhwang@gmail.com [[alternative HTML version deleted]]
2005 Feb 11
3
How to solve error : "cannot allocate vector of size 1208235 Kb"
Howdy R gurus ! I am newbie to R I use R 2.0.1 in Windows XP. When I run R I got the follwoing memory error. My physical memory size is 3 Gb. My R got the memory problem when it reached to about 2 Gb. Thanks in advance, > library(spdep) > sfr.lagsarlm <- lagsarlm(sfr.data$Bldgsqft ~ sfr.data$Ncounty + sfr.data$Nugb + sfr.data$Ngroup, data=sfr.data, listw=sfr.listw,
2010 Sep 27
7
Uploading photos
Hi all, Learning RoR (and loving it!) to develop a website. A requirement of the website is enabling users to upload photos to be made viewable (dynamically) on the website. Is this something I can develop with RoR? Thanks, Jeff -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to
2009 Jan 10
1
Help needed for Loading "tm" package
Howdy Gurus again Thanks to Tony.Breyal, I was able to writing the following script for analyzing a text document. But I got an error with "tm' package. I don't why I got the error from the R script below. I think I followed proccess of R tm manual. I use R v2.8.1. and tm_0.3-3.zip under Win XP. Thanks in advance, Kum Hwang > # setting directory > my.path
2009 Jan 15
1
How to Solve the Error( error:cannot allocate vector of size 1.1 Gb)
Hi, Gurus Thanks to your good helps, I have managed starting the use of a text mining package so called "tm" in R under the OS of Win XP. However, during running the tm package, I got another mine like memory problem. What is a the best way to solve this memory problem among increasing a physical RAM, or doing other recipes, etc? ############################### ###### my R
2010 Feb 16
2
Error of Stepwise Regression with number of rows in use has changed: remove missing values?
Howdy, R Grues I have enjoyed R, but I cannot solve one problem easily. Please help my problem. When I tried the R script, I got the following Error. This error results from input data file exported through a Excel spreadsheet software. Error in step(lm(pop.rate ~ as.numeric(year) + as.factor(policy) + as.numeric(nation.grant) + ?: ??number of rows in use has changed: remove missing values?
2007 Feb 14
0
Are there any packages or methods for running data from AHP(Analytic Hierarchy Process) survey?
Hi, R Lovers! I have some survey data. I'd like to run R or R packages for processing data inputted from AHP(Analytic Hierarchy Process) survey. Are there any R packages or subsititues for running data from AHP survey. Thanks in advance, -- Kum-Hoe Hwang, Ph.D.Phone : 82-31-250-3516Email : phdhwang at gmail.com
2009 Jan 09
1
[R} how to build TermDocMatrix in tm text mining package of R
Howdy Gurus I 'd like to ask a question about how to build TermDocMatrix in tm text mining package. It is not clear about importing a plain text file, and them converting that text file into TermDocMatrix file, etc to me. How can I build a TermDocMatrix of " a plain text document file for text association? Or are there any good manuals? Thank you in advance, -- Kum-Hoe Hwang, Ph.D.
2005 Feb 19
2
best analysis method : for time series ans cross sectional data
Howdy What I 'd like to analyze with a large data on building permits is to find time series effect of urban policy on buildings as well as cross-sectional effects in any. In 1990 the specialZone urban policy was introduced. I guess that the effects of this specialZone policy would be different from countys. There are counties that do not welcome this specialZone forced to design it. One of
2007 Nov 30
0
How to Compute envelope of Khat in Splancs Package
Howdy Gurus I am try to compute envelope of Khat from simulations of complete spatial randomness using R package of "Splancs." I got the following error: > UL.khat <- Kenv.csr(length(X_coord), bnd, nsim=100, s) Doing simulation 1 Error in runif(n, min, max) : invalid arguments In addition: Warning message: NAs introduced by coercion I think that I have a problem with
2005 Oct 31
2
nls() fit to Kahnemann/ Tversky function
Dear WizaRds, I would like to fit a curve to ten points with nls() for one unknown parameter gamma in the Kahnemann/ Tversky function, but somehow it won't work and I am unable to locate my mistake. p.kum <- seq(0.1,1, by=0.1) felt.prob.kum <- c(0.16, 0.23, 0.36, 0.49, 0.61, 0.71, 0.85, 0.89, 0.95, 1) ## how to find a function that fits these points nicely? plot(p.kum,
2013 Jan 31
2
glm poisson and quasipoisson
Hello, I have a question about modelling via glm. I have a dataset (see dput) that looks like as if it where poisson distributed (actually I would appreciate that) but it isnt because mean unequals var. > mean (x) [1] 901.7827 > var (x) [1] 132439.3 Anyway, I tried to model it via poisson and quasipoisson. Actually, just to get an impression how glm works. But I dont know how to
2006 Apr 04
5
Hangupcause is not enough on PRI
Hi, I'm using Asterisk and a TE110P E1 PRI in Chile. When I call to a disconnected number or any not operational number, the telco sends the Hangupcause disconnection code and an audio message notifying the disconnection cause to the user. Asterisk does not allow the user to hear the audio message form the telco, instead it cuts the call. Any other legacies PRI PBX I've tested allow