294 search results for "evaluation"

Pathway Analysis for High-Throughput Genomics Studies

March 6, 2012
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Pathway Analysis for High-Throughput Genomics Studies

I get a lot of requests in the core about running a "pathway analysis." Someone ran a handful of gene expression arrays, or better yet, ran an RNA-seq experiment (with replicates!). These, and many other kinds of high-throughput assays (GWAS, ChIP-seq,...

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DEoptim in Parallel

March 4, 2012
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Running DEoptim in parallel has been on the development team's wishlist for awhile.  It had not been a priority though, because none of us have personally needed it.  An opportunity arose when Kris Boudt approached me about collaborating to a...

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The German DIN33430 – Analysis of acceptance with R

March 2, 2012
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The German DIN33430 – Analysis of acceptance with R

The german DIN33430 defines quality standards that must be met in “job-related proficiency assessments”, the qualifications of the responsible parties involved, as well as the creation, execution and evaluation of such assessments. Licensed persons are published on a website (german). … Weiterlesen →

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Parsing R code: Freedom of expression is not always a good idea

February 28, 2012
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Parsing R code: Freedom of expression is not always a good idea

With my growing interest in R it was inevitable that I would end up writing a parser for it. The fact that the language is relatively small (the add-on packages do the serious work) hastened the event because it did not look like much work; famous last words. I knew about R’s design and implementation

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Large-scale Inference

February 23, 2012
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Large-scale Inference

Large-scale Inference by Brad Efron is the first IMS Monograph in this new series, coordinated by David Cox and published by Cambridge University Press. Since I read this book immediately after Cox’ and Donnelly’s Principles of Applied Statistics, I was thinking of drawing a parallel between the two books. However, while none of them can

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R for Quants, Part III (A)

February 18, 2012
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R for Quants, Part III (A)

This is the third part in a three part series on teaching R to MFE students at CUNY Baruch. The …Continue reading »

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R for Quants, Part I (B)

February 13, 2012
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R for Quants, Part I (B)

This is a continuation of the R workshop I’m teaching at the Baruch MFE program. This section discusses the programming …Continue reading »

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Sorting in R as Inefficiently as Possible

January 12, 2012
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Sorting in R as Inefficiently as Possible

My last post of substance was all about improving your performance using R to answer programming questions that might be asked during a job interview.  So let's say you nailed the interview and got the job, but you desperately want to be fired for grand incompetence.  Never fear, your pal at librestats once again has your back. The sleep...

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Introduction to Kaggle Algorithmic Trading Challenge

January 10, 2012
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I recently participated in the Kaggle Algorithmic Trading Competition under the username VikP. For those who do not know what Kaggle is, it is a web site where individuals and corporations can host data analysis competitions. This particular competit...

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Introduction to Kaggle Algorithmic Trading Challenge

January 10, 2012
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I recently participated in the Kaggle Algorithmic Trading Competition under the username VikP. For those who do not know what Kaggle is, it is a web site where individuals and corporations can host data analysis competitions. This particular competiti...

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