Data Science. TileDB. Open Source. Quant Research. R. C++. Debian. Linux. Adjunct Clinical Professor, University of Illinois. Lots of coffee. And some running.

Chicago, IL, USA
Joined March 2007
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Work with Ben Bolker on lme4 in a (temp.) R / C++ programming job: goo.gl/lbzbdV #rstats
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Replying to @dickoah
Excel becomes evil when you have to deal with NA, or dates, or .. as it insists on its formatting. My advice: avoid. @dickoah @zentree
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Replying to @lucaborger
Thanks, and by "now" you mean "since Aug 2006" :) MT @lucaborger @statisticsblog 'True' randomness - available now in R! random 0.2.2
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New release RProtoBof 0.3.2 now on CRAN goo.gl/wvfMub #rstats #rcpp
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Meant for R scripting, code now on Github MT @noqqe Found "littler" (pronounced little #R) dirk.eddelbuettel.com/code/l…#Rstats
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Earlier this week, three CRAN maintenance releases went out: gcbd, random, and RcppDE. goo.gl/vUa3ab #rstats #rcpp
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Replying to @kirkwy
We choose Java for ${whatever} #FiveWordTechHorrors /cc @kirkwy
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New RcppArmadillo release 0.3.930.1 with a nice set of changes goo.gl/04Xbqk #rstats #rcpp
New Rcpp Gallery post: Performance of the divide-and-conquer SVD goo.gl/x1kdpS #rstats #rcpp
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Spent yesterday at the 'Big Data Summit' at UI Research Park; quick summary and links at goo.gl/FUDSlS #rstats
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From two hours ago on @BloombergTV: My better half talking soda taxes and obesity in Mexico goo.gl/WXuZl3
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Just watched my wife doing pretty well on live TV -- talking soda taxes on @BloombergTV
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Replying to @shog9
Cute! RT If Stack Overflow was a city, and tags were neighborhoods... Who are your neighbors? ekisto.sq.ro/ -- h/t @shog9 @klmr
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digest 0.6.4 maintenance release on CRAN and in Debian goo.gl/K0e7mK #rstats
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New Rcpp Gallery post: A simple C to C++ conversion from the plyr package goo.gl/NShhF7 #rstats #Rcpp
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Great news: Initial "experimental" support for C++11 in R-devel and for CRAN goo.gl/jEdavS #rstats #cpp11 #AboutTime
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Slides from recent Rcpp talks at Booth / U Chicago and U Kansas goo.gl/gRfdTr #rstats #Rcpp
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Replying to @romain_francois
.@romain_francois Sure. Travis gets you Ubuntu 12.04 (ie old R, texlive, ..) as a basis plus PPAs / CRAN via apt. So script away.
Version 0.2.2 of RcppCNPy, a small R package to read/write NumPy files, is now on CRAN goo.gl/k1HZCc #rstats #Rcpp
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Replying to @DLeonhardt
@DLeonhardt Geschirrspuelerirritierung