Articles by Joshua Ulrich

R/Finance 2012 Registration Open

March 20, 2012 | Joshua Ulrich

You can find more information on the R/Finance conference website.  Hope to see you in Chicago in May!The registration for R/Finance 2012 -- which will take place May 11 and 12 in Chicago -- is NOW OPEN!Building on the success of the three previou... [Read more...]

DEoptim in Parallel

March 4, 2012 | Joshua Ulrich

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... [Read more...]

R/Finance 2012 Call for Papers

December 15, 2011 | Joshua Ulrich

I'm excited to share the call for papers for the upcoming R/Finance conference.  Even if you don't submit a presentation, I hope to see you there!Call for Papers:R/Finance 2012: Applied Finance with RMay 11 and 12, 2012University of Illinois, Chic... [Read more...]

Creating Financial Instrument metadata in R

July 27, 2011 | Joshua Ulrich

(This is a guest post by Ilya Kipnis)When trading stocks in a single currency, instrument metadata can be safely ignored because the multiplier is 1 and the currencies are all the same.  When doing analysis on fixed income products, options, futures, or other complex derivative instruments, the data defining the ... [Read more...]

The R Journal, Volume 3/1

June 23, 2011 | Joshua Ulrich

The most recent issue of The R Journal was recently published.  If you're not a regular reader, you should at least check out the following three contributed articles (listed in order of appearance).Rmetrics - timeDate PackageDifferential Evoluti... [Read more...]

R/Finance 2011 Presentations are online

May 29, 2011 | Joshua Ulrich

For those of you who don't subscribe to the R-SIG-Finance mailing list: You really should subscribe ;-) Dirk Eddelbuettel announced the R/Finance 2011 presentations are now available. I've included the entire announcement (with some hyperlinks) below.The organizing committee for the R/Finance 2011 conference is pleased to announce the availability ... [Read more...]

RQuantLib Windows binary on CRAN

April 4, 2011 | Joshua Ulrich

Dirk Eddelbuettel has recently released RQuantLib-0.3.7, which contains the necessary QuantLib builds to allow the CRAN servers to build the Windows binary.This (thankfully) makes my post on how to build RQuantLib on 32-bit Windows unnecessary for casu... [Read more...]

How to backtest a strategy in R

March 26, 2011 | Joshua Ulrich

This is the third post in the Backtesting in Excel and R series and it will show how to backtest a simple strategy in R.  It will follow the 4 steps Damian outlined in his post on how to backtest a simple strategy in Excel.Step 1: Get the dataThe ... [Read more...]

R/Finance 2011 Registration Open

March 14, 2011 | Joshua Ulrich

The registration for R/Finance 2011--which will take place April 29 and 30 in Chicago--is NOW OPEN!Building on the success of the two previous conferences in 2009 and 2010, we are expecting more than 250 attendees from around the world representing bot... [Read more...]

Moving from Excel to R

March 5, 2011 | Joshua Ulrich

This first post of the Backtesting in Excel and R series will provide some resources to help smooth the transition from the familiarity and comfort of Excel to the potentially strange and intimidating world of R.I made my voyage from Excel to R more th... [Read more...]

Backtesting in Excel and R

February 17, 2011 | Joshua Ulrich

This post is the introduction to a series that will illustrate how to backtest the same strategy in Excel and R.  The impetus for this series started with this tweet by Jared Woodard at Condor Options.  After Soren Macbeth introduced us, Jare... [Read more...]

R/Finance 2011 Call for Papers

December 26, 2010 | Joshua Ulrich

The 2011 R/Finance conference has an updated call for papers.  Dirk Eddelbuettel announced it to the R-SIG-Finance mailing list.  I've reproduced his email in its entirety below.  Let me know if you plan on attending.Subject: R/Finance 2... [Read more...]

Why Use R?

December 14, 2010 | Joshua Ulrich

I use R very frequently and take for granted much that it has to offer.  I forget how R is different from similar tools, so I have trouble communicating the benefits of using R.  The goal of this post is to highlight R's main strengths, but first... my story.How ... [Read more...]

Build RQuantLib on 32-bit Windows

December 7, 2010 | Joshua Ulrich

Before you start, note that there is now a Windows binary of RQuantLib is available on CRAN.Due to a change in how R-2.12.0 is built, CRAN maintainers could no longer provide a Windows binary of RQuantLib with the QuantLib library they had been using.... [Read more...]

Algorithmic Trading with IBrokers

October 25, 2010 | Joshua Ulrich

Kyle Matoba is a Finance PhD student at the UCLA Anderson School of Management.  He gave a presentation on Algorithmic Trading with R and IBrokers at a recent meeting of the Los Angeles R User Group.  The discussion of IBrokers begins near th...
[Read more...]

Patrick Burns is blogging

August 28, 2010 | Joshua Ulrich

Patrick Burns is the author of several helpful R resources, including A Guide for the Unwilling S User, The R Inferno, and S Poetry. He also wrote one of my favorite critiques of Microsoft Excel: Spreadsheet Addiction. His writing is witty, entertain...
[Read more...]

Margin Constraints with LSPM

August 1, 2010 | Joshua Ulrich

When optimizing leverage space portfolios, I frequently run into the issue of one or more f$ ([Max Loss]/f) being less than the margin of its respective instrument.  For example, assume the required margin for an instrument is $500, f$ is $100, an...
[Read more...]
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