[R] enter a survey design in survey2.9

[James Reilly]

svydesign needs to be told what data frame to use, via the data= argument.

I get a slightly different error message from you:
Error in eval(expr, envir, enclos) : object "subdiv" not found
but this may be because I'm using survey version 3.3.1, not 2.9. There
are several new features (listed at
http://faculty.washington.edu/tlumley/survey/NEWS) so you may want to
upgrade.


On 10/10/2005 9:15 a.m., justin bem wrote:
> Hi dears,
>  
> I expect that Mr Thomas Lumley will read this message.
> I have data from a complexe stratified survey. The population is divide in 12 regions and a region consist to and urban area and rural one. there to region just with urbain area.
>  
> stratification variable is a combinaison of region and area type (urban/rural)
>  
> In rural area, subdivision are sample with probabilties proporionnal to size in population then enuration area are sample in selected division and finally households are selected in those EA.
>  
> In urban area, EA are directly selected and finally household are selected.
> to schematise we have:
>  
> (12 regions)
>      each region is divised in two regions / Urbain and rural. this are strata
>            in Rural : PSU are subdivision , SSU are EA and TSU are households
>            in Urban : PSU are EA , SSU are households.
>  
> I use svydesign function as follow :
> esi<-svydesign(id=~subdiv+EA+HHID,strata=~REGION+AREATYP,fpc=~FPC1+FPC2FPC3,weig=~pw,nest=T)
> FPC1: number of subdivision in each strata
> FPC2: number of EA in each subdivision
> FPC3: number of HH in each EA.
> pw : sampling weights
>  
> but I have this error message : erron in data.frame(strata, 1:i,...) I dont understand why !
> Can someone help me ?
>  
> Sincerly.
>  
>                                                              
>  
>  
> 
> 		
> ---------------------------------
> 
> 
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-- 
James Reilly
Department of Statistics, University of Auckland
Private Bag 92019, Auckland, New Zealand