[R] NA's in survey analysis

Hello, I am trying to analyze sociological survey data using R. It is often important in survey to calculate both the actual factor sums and percentages (easily done with describe() ), but also the numbers and total percentage of NA's. Often it is important to present NA's in graphs besides the fa

[R] NA's in survey analysis

Hello, I am trying to analyze sociological survey data using R. It is often important in survey to calculate both the actual factor sums and percentages (easily done with describe() ), but also the numbers and total percentage of NA's. Often it is important to present NA's in graphs besides the fa

Re: [R] NA's in survey analysis

2010/12/21 Petr PIKAL : > Hi > > r-help-boun...@r-project.org napsal dne 21.12.2010 11:02:07: > >> Hello, >> >> I am trying to analyze sociological survey data using R. It is often >> important in survey to calculate both the actual factor sums and >> percentages (easily done with describe() ), but

[R] simple intro to cluster analysis using R

I am looking for simple introduction to cluster analysis using R, that would be understandable to a novice in statistics. Or, could someone perhaps help me understand how to proceed in my analysis? I am very new to both statistics and R, but am trying hard to avoid having to use SPSS as everyone

[R] recode based on filter

Hi, I have a data frame DATA, which (simplified of course) looks like this: know1 = c("Y","N","N","Y","N","N","Y","Y","N") par1=c(1,4,5,3,3,2,3,3,5) know2 = c("Y","Y","N","Y","N","N","N","Y","Y") par2=c(3,4,4,3,5,2,4,3,2) DATA=data.frame(know1,par1,know2,par2) it represents answers in a questionn

Re: [R] recode based on filter

On Wednesday 19 December 2007 14:12:16 rašėte: > sapply(levels(DATA$know1), function(x)subset(DATA, (know1==x & > know2==x)), simplify=F) Hey, thanks, that seems to work! -- Donatas Glodenis http://dg.lapas.info __ R-help@r-project.org mailing list ht

Re: [R] Getting started help

I have been asking these same questions here on this list half a year before. You will probably find what you need by following this link and the subsequent discussion: https://stat.ethz.ch/pipermail/r-help/2007-July/136162.html Donatas On Tuesday 19 February 2008 15:14:19 jim holtman rašė: >

Re: [R] Getting started help

I have found several resources very helpful: http://cran.r-project.org/doc/contrib/Paradis-rdebuts_en.pdf http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/Getting-Started-with-the-Rcmdr.pdf Donatas On Tuesday 19 February 2008 15:14:19 jim holtman rašė: > I have no idea what "numbers form the RAD7 ma

Re: [R] FW: [rkward-devel] questions on RKWard

kspace... Hope this helps Donatas G. Horace Tso rašė: > Thought I should copy the list with Matthieu's response. > > H > > -Original Message- > From: Matthieu Stigler [mailto:[EMAIL PROTECTED] > Sent: Wednesday, November 05, 2008 8:29 PM > To: Horace Tso; [EMAI