Blog Archives

Working on a drug safety project

November 20, 2009
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In order to move some of my personal interests along, I have been trying to implement the methodology found in Berry and Berry's article Accounting for Multiplicities in Assessing Drug Safety. This methodology uses the MedDRA hierarchy to improve the p...

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Causal inference and biostatistics

July 11, 2009
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I've been following the discussion on causal inference over at Gelman's blog with quite a bit of interest. Of course, this is in response to Judea Pearl's latest book on causal inference, which differs quite a bit from the theory that had been forwarde...

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Another solution to the R to Word table problem

October 17, 2008
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Last time I used an HTML solution. This time, I create an RTF file:# function: my.rtf.table# purpose: convert a matrix, data.frame, or array into a rtf table# output: text for RTF, possibly written to a file# inputs:# tab - a table, dataframe, or array (needs rownames and colnames)# outfile - name of file (or console if NULL,...

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Using R in consulting: playing nice with Microsoft Word

October 17, 2008
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As I use R more in consulting, I'm finding the need to make the quick transition from R to Microsoft products (usually Word) more serious. (I'm using a Windows platform, but I'm sure the challenges on the Mac would be similar.) I simply don't have time to do the text manipulations necessary to convert text to Word tables, for...

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More stats sites

August 20, 2008
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Jim Albert has a blog based on his book Bayesian Computation in R. Unfortunately, it seems they haven't been updating it too much recently but it looks like what's there is pretty good.

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The hammer, or the sledgehammer? A small study in simulation

January 29, 2008
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RKN over at Epidemiology blog had a small problem he solved using simulation:I have been interested in the following question: if there are, let's say, 5 genes involved in the liability of fx risk, and each gene has two alleles with one of them conferr...

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Review of Jim Albert’s Bayesian Computation with R

August 14, 2007
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When I first read Andrew Gelman's quick off-the-cuff review of the book Bayesian Computation with R, I thought it was a bit harsh. So did Gelman.I thumbed through the book at the joint statistical meetings, and decided to buy it along with Bayesian Cor...

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SAS weirdness

March 21, 2007
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From time to time, I'll complain about the weirdness of SAS, the statistical analysis program of choice for much of the pharmaceutical industry. This post is one such complaint.Why, oh why, does SAS not directly give us the asymptotic variance of the M...

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