Re: [R] Logistic regression with multiple imputation

2010-06-30 Thread Chuck Cleland
On 6/30/2010 1:14 AM, Daniel Chen wrote: Hi, I am a long time SPSS user but new to R, so please bear with me if my questions seem to be too basic for you guys. I am trying to figure out how to analyze survey data using logistic regression with multiple imputation. I have a survey data

Re: [R] Logistic regression with multiple imputation

2010-06-30 Thread Frank E Harrell Jr
There are titanic datasets in R binary format at http://biostat.mc.vanderbilt.edu/DataSets Note that the aregImpute function in the Hmisc package streamlines many of the steps, in conjunction with the fit.mult.impute function. Frank On 06/30/2010 05:02 AM, Chuck Cleland wrote: On

Re: [R] Logistic regression with multiple imputation

2010-06-30 Thread Rafael Björk
In addition to the tips above, you may want to chek out: http://www.stat.columbia.edu/~gelman/arm/missing.pdf 2010/6/30 Chuck Cleland cclel...@optonline.net On 6/30/2010 1:14 AM, Daniel Chen wrote: Hi, I am a long time SPSS user but new to R, so please bear with me if my questions seem

Re: [R] Logistic regression with multiple imputation

2010-06-30 Thread David Winsemius
On Jun 30, 2010, at 1:14 AM, Daniel Chen wrote: Hi, I am a long time SPSS user but new to R, so please bear with me if my questions seem to be too basic for you guys. I am trying to figure out how to analyze survey data using logistic regression with multiple imputation. I have a survey

[R] Logistic regression with multiple imputation

2010-06-29 Thread Daniel Chen
Hi, I am a long time SPSS user but new to R, so please bear with me if my questions seem to be too basic for you guys. I am trying to figure out how to analyze survey data using logistic regression with multiple imputation. I have a survey data of about 200,000 cases and I am trying to predict

Re: [R] Logistic regression with multiple imputation

2010-06-29 Thread Jeremy Miles
Hi Daniel First, newer versions of SPSS have dramatically improved their ability to do stuff with missing data - I believe it's an additional module, and in SPSS-world, each additional module = $$$. Analyzing missing data is a 3 step process. First, you impute, creating multiple datasets, then

Re: [R] Logistic regression with multiple imputation

2010-06-29 Thread Simon Blomberg
mitools is useful too, and I can vouch for mice. mice is easy to use, and easy to write new imputation methods too. So it is also very flexible. Simon. On 30/06/10 15:31, Jeremy Miles wrote: Hi Daniel First, newer versions of SPSS have dramatically improved their ability to do stuff with