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
Filter
Exclude
Time range
-
Near
.@EmanuelDerman The "Ketchup" paper remains a personal favourite for all its smugness. Ungated copy here: m.cdn.blog.hu/el/eltecon/fil…
Replying to @EmanuelDerman
.@EmanuelDerman Here is the Google Scholar page for Summers who comes in at 75k citations: scholar.google.com/citations…
1
Yay, looks like Feedly is finally sober: no more truncated @CRANberriesFeed posts as I complained about here goo.gl/egePF
New release 0.3.1 of RProtoBuf, more at goo.gl/Um8SGS #rstats
3
Replying to @EmanuelDerman
. @EmanuelDerman Start by installing the free / open source R and RStudio on your Mac - - shiny then runs via the embedded webserver
1
Replying to @EmanuelDerman
Nicely done Shiny app in #Rstats MT @EmanuelDerman @MKM_Abdul @felixsalmon Made an interactive version: spark.rstudio.com/skewtosis/…
1
1
3
Replying to @DivvyBikes
Three really big cheers for @DivvyBikes at LaSalle St and Jackson Blvd !
1
Apparently the newest version of Chrome for iPad is now good enough to run RStudio Server -- nice! #rstats #publicserviceannouncement
1
2
Replying to @KidDynamiteBlog
@KidDynamiteBlog Yes, isn't there even a curse-of-recent-DJIA-additions? BofA, CSCO, ... come to mind.
Replying to @KidDynamiteBlog
.@KidDynamiteBlog Sure, sure, but from low levels and Dow index values high-priced, not high-recent-return, stocks. So GS >> BofA here.
2
Replying to @KidDynamiteBlog
@KidDynamiteBlog Then you simply remove the stock that has fallen the furthest. Exhibit A: BofA.
1
Replying to @KidDynamiteBlog
.@KidDynamiteBlog Step 1: Use bad (and 100+ year old) index formula. Step 2: Bias towards high-prices stocks. Step 3: PROFIT! :)
1
First "Schools Brief" in @TheEconomist since 1999: "The origins of the financial crisis" start with "Crash course" econ.st/1dHLci0
1
1
Replying to @RLangTip
A kitten just died. MT @RLangTip Automated variable selection for regressions: "step" and "leaps"
2
3
3
Replying to @simplystats
. @simplystats Great - - also check out gallery.rcpp.org with its 60+ concrete deployment examples.
2
3
Replying to @simplystats
. @simplystats: We spell it Rcpp, and we hope you enjoy the 8 package vignettes and the Rcpp book too.
1
Replying to @HarlanH
.@HarlanH So do we get a new definition of data schmientist: "Someone who takes LinkedIn seriously"? Would be a useful litmus test ;-)
1
1
Replying to @kevin_ushey
Surely an upcoming Rcpp Gallery post, no? MT @kevin_ushey melt faster with melt_: rpubs.com/CauchyDistributedR…#rstats
1
3
Replying to @hadleywickham
.@hadleywickham @winston_chang Related to recent NEWS entry that "errant" top-level files in packages will now be flagged.
Replying to @jeffreyhorner
.@jeffreyhorner @hadleywickham @romain_francois I get basically the same time as Rcpp2 -- so Jeff won by switching to inline::cfunction().
1