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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Building on and extending @QuantLib -- and looks really promising and useful
First end-to-end open source risk engine available for download now via opensourcerisk.org - join peers in the financial risk community
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And here are the race leaders flying by the water stop at mile 18 - they are running a 5 min/mile pace #ChicagoMarathon #oprc
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Wheel chair leaders just flew by us at the mile 18 water stop.I #ChicagoMarathon #oprc
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TFW when you look at repo with an erased history -- and PRs you had accepted have now disappeared. #notHowWeDoThis
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tint 0.0.2 on CRAN: Tint is not Tufte now with pdf, and improved html goo.gl/sdbEvN #rstats
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Run R CMD CHECK against the platforms, from R Game changer by @GaborCsardi with thanks to the @RConsortium Still a little buggy though...
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Does anybody have a curated @docker feed? Love the technology, still contribute (Rocker etc) but can't take 20 tweets/day.
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If one follows the @hadleywickham cocktail recipes, how does one translate snake_case for camelCase for ingredients? Asking for a friend.
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RcppAnnoy 0.0.8 on CRAN: some extensions goo.gl/YvQFN6 #rstats #rcpp
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Credit for that (and Rcpp Attributes in general) goes to JJ. Thanks for packaging plog; header-only packages are very useful.
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New (experimental) package tint: A different look for the @EdwardTufte style from R. goo.gl/KVsf9I #rstats
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Replying to @opencpu
Nope: took all of 20+ minutes, while debating with @opencpu via DM, to get these two Docker instances talking @grpcio to each other.
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If in doubt, read the fine manual: R> toJSON(0.9999995, digits=8) [0.9999995] R>
Speaking of failing R packages. WTF jsonlite!!!
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Nope. Nearly 20 years with R (+ S) but SAS was never relevant to what I do. Language wars are a waste of time. nitter.vloup.ch/sellorm/status/7…
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anytime 0.0.2 on CRAN: more functionality and fixes convert _anything_ to POSIXct and Date goo.gl/KpnoEo #rstats #rcpp
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New package anytime 0.0.1 now on CRAN Convert "anything" to POSIXt or Date goo.gl/UdpBf9 #rstats #rcpp
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New package gettz on CRAN: provides timezone fallback goo.gl/D65vd4 #rstats
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Intriguing: Luke Tierney on a 'simple package-level mmap' github.com/ltierney/Rpkg-sim…
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RProtoBuf 0.4.6 on CRAN: bug fixes goo.gl/9gBXcr #rstats
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