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1. tapply and aov() (score: 1)
Author: "Barker, Chris [SCIUS]" <cbarker1@scius.jnj.com>
Date: Thu, 15 Jun 2006 16:25:28 -0400
I have a dataframe with multiple assay results and I&#8217;d like to prepare an analysis of variance (aov) for each assay. <o:p></o:p> My dataframe has a column for the result, a column for the assay
/archives/html/s-news/2006-06/msg00026.html (7,247 bytes)

2. Re: bootstrapping of multiple datasets (score: 1)
Author: "Barker, Chris [SCIUS]" <cbarker1@scius.jnj.com>
Date: Fri, 16 Jun 2006 11:04:07 -0400
Not exactly the answer you want - Look at the HMISC() library, Frank Harrell has some built in bootstrap procedures in his regression model functions. I believe he has a multiple imputation function
/archives/html/s-news/2006-06/msg00029.html (9,603 bytes)

3. Re: Data manipulation and big data problem (score: 1)
Author: "Barker, Chris [SCIUS]" <cbarker1@scius.jnj.com>
Date: Thu, 29 Jun 2006 14:20:54 -0400
I used the bigdata library with about a Gig (1G) of data. Some iterative procedures (logistic regression) may take a few minutes, though I think that's perfectly reasonable. Its an excellent tool. Ch
/archives/html/s-news/2006-06/msg00092.html (9,609 bytes)


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