2281 search results for "MAP"

Tracking Climate Trends with RClimate Scripts and Links

February 10, 2010
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Tracking Climate Trends with RClimate Scripts and Links

Some of my visitors may have noticed that I have added a new Climate Images page and have been adding climate data images to my right side panel. So far, I have 6 trend charts, 4 map images, 1 photo image and 1  data value  showing the CO2 concentrations, recent total solar irradiance (TSI) ,

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Using the R multicore package in Linux with wild and passionate abandon

February 9, 2010
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Using the R multicore package in Linux with wild and passionate abandon

One of my primary uses for R is to build stochastic simulations of insurance portfolios and reinsurance treaties. It’s not uncommon for each of my simulations to take 20 seconds or more to complete (if you’re doing the math, that’s 55 hours for 10K sims or, approximately 453 games of solitaire) . Initially I ran

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Package Update Roundup: Dec 2009 – Jan 2010

February 9, 2010
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A special double edition of the Package Update Roundup this month! This is a list of new or updated packages that were released for R in December and January, as announced on the r-packages mailing list. To include other updates on this list, please email David Smith. For a complete list of all updates on CRAN, see the CRANberries...

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Rcpp 0.7.5

February 9, 2010
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pre{ border: 1px solid black; font-size: x-small ; } Dirk released Rcpp 0.7.5 yesterday The main thing is the smarter wrap function that now uses techniques of type traits and template meta-programming to have a compile time guess at whether a...

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Rcpp 0.7.5

February 9, 2010
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A new release of our Rcpp R / C++ interface classes is now out, the version number is 0.7.5. It comes on the heels of the release 0.7.4 and keeps with our semi-frantic schedule of releases every ten or so days going. The package is now on CRAN and Deb...

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Rcpp 0.7.5

February 9, 2010
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A new release of our Rcpp R / C++ interface classes is now out, the version number is 0.7.5. It comes on the heels of the release 0.7.4 and keeps with our semi-frantic schedule of releases every ten or so days going. The package is now on CRAN and Debi...

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Updated Tactical Asset Allocation Results

February 6, 2010
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Updated Tactical Asset Allocation Results

In November, I used the strategy in Mebane Faber's Tactical Asset Allocation paper to provide an introduction to blotter. Faber has updated the strategy's results through the end of 2009. For those interested, he expands on the paper in his book, The...

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R/Finance 2010: Registration Open

February 5, 2010
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R/Finance 2010: Registration Open

As posted by Dirk Eddelbuettel on R-SIG-Finance: R / Finance 2010: Applied Finance with R April 16 & 17, Chicago, IL, US The second annual R / Finance conference for applied finance using R, the premier free software system for statistical comput...

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In case you missed it: January roundup

February 2, 2010
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In case you missed them, here are some articles from last month of particular interest to R users. This post linked to slides and video from a 30-minute "Introduction to R" talk I gave on January 28, with links to many useful R resources. This post brought news that R's creators Robert Gentleman and Ross Ihaka have jointly won...

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Ensemble Prediction

February 2, 2010
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Ensemble Prediction

Weather is unpredictable. Small differences in initial conditions can develop into big differences in the pattern of circulation, in the timing and location of cyclones, rainfall etc. This is true no matter how good the initial observing system is. The approach taken by organisations such as ECMWF or NCEP is to re-run numerical forecast models

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