: 0.1394
Residual Deviance: 0.09631 AIC: 6.601
-trevor
-Original Message-
From: Thomas Lumley [mailto:[EMAIL PROTECTED]
Sent: Sunday, February 23, 2003 1:17 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: [R] Subpopulations in Complex Surveys
On Wed, 19 Feb 2003 [EMAIL
On Mon, 24 Feb 2003, Thompson, Trevor wrote:
For svymean, can't you just pass the subpopulation into the design
argument?
Yes, but you get the wrong standard errors (very slightly) in stratified
designs.
If you compare the subsetting approach to the regression approach you
will find
In a message dated 2/23/03 1:19:39 PM Eastern Standard Time,
[EMAIL PROTECTED] writes:
On Wed, 19 Feb 2003 [EMAIL PROTECTED] wrote:
Hi,
is there a way to analyze subpopulations (e.g. women over 50, those who
answered yes to a particular question) in a survey using Survey
package?
I'm not familiar with the survey systems, any array or data.frame can be
subsetted using a logical vector.
For example, let Data = data.frame(sex = ..., age =, ..., ...). Then,
Sel.fem50 - (Data$sex==Female) (Data$age 50)
fem50Answers - FUN(... data=Data[Sel.fem50,])
If you
Hi,
is there a way to analyze subpopulations (e.g. women over 50, those who
answered yes to a particular question) in a survey using Survey package?
Other packages (e.g. Stata, SUDAAN) do this with a subpopulation option to
identify the subpopulation for which the analysis shoud be done. I did