1253 search results for "excel"

Reading data, and a graph

June 25, 2009
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Reading data, and a graph

Using Microsoft Excel I'm collecting aggregate data, by state, of various social, political, and economic indicators. I export them into a tab-delimited file called 'states.txt' (pretty clever, I know.) I've got data on education expenditures, firearm deaths per capita, median household income, etc. I'd like to do some analysis and graphing of these data to see if there are...

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Reading data, and a graph

June 25, 2009
By
Reading data, and a graph

Using Microsoft Excel I'm collecting aggregate data, by state, of various social, political, and economic indicators. I export them into a tab-delimited file called 'states.txt' (pretty clever, I know.) I've got data on education expenditures, firearm deaths per capita, median household income, etc. I'd like to do some analysis and graphing of these data to see if there are...

Read more »

R tips: Installing Rmpi on Fedora Linux

June 12, 2009
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R tips: Installing Rmpi on Fedora Linux

Somebody on the R-help mailing list asked how to get Rmpi working on his Fedora Linux machine so he could do high-performance computing on a cluster of machines (or a single multicore machine) using the R statistical computing and analysis platform. Since it is unusually painful to get working, I might as well copy the instructions...

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R tips: Installing Rmpi on Fedora Linux

June 12, 2009
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R tips: Installing Rmpi on Fedora Linux

Somebody on the R-help mailing list asked how to get Rmpi working on his Fedora Linux machine so he could do high-performance computing on a cluster of machines (or a single multicore machine) using the R statistical computing and analysis platform. Since it is unusually painful to get working, I might as well copy the instructions...

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Learning R for Researchers in Psychology

June 6, 2009
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Learning R for Researchers in Psychology

R is a powerful environment for statistical computing. Here is a selective list of resources on R with an emphasis on resources useful for researchers in psychology.Psychology specific R resourcesR Notes for Experimental PsychologyWilliam Revelle's Psy...

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Bootstrapping and the boot package in R

May 21, 2009
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Bootstrapping and the boot package in R

I was recently asked about options for bootstrapping. The following post sets out some applications of bootstrapping and strategies for implementing it in R.I've found bootstrapping useful in several settings:where the statistic I'm interested in is a ...

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Baby steps with RSRuby in Rails

May 20, 2009
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Baby steps with RSRuby in Rails

Plotting and charting libraries for Ruby (on Rails) abound. However, few are sophisticated enough for scientists and many are not actively maintained. Plotting in R, on the other hand, is about as sophisticated as it comes. Can we bridge Ruby and R? Yes we can, thanks to Alex Gutteridge’s RSRuby. The next

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Packages featured with Inference for R

May 12, 2009
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Packages featured with Inference for R

quantmod, TTR, and xts were (not so) recently featured on the Inference for R Blog. Inference for R is a Integrated Development Environment (IDE) designed specifically for R.The post gives an example of how to easily perform advanced financial stock a...

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R / Finance 2009

April 26, 2009
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Our inaugural R / Finance conference, mentioned here twice is now over. We were fortunate to get seven outstanding invited keynote speakers, as well as eleven excellent presentations. This was preceded by four short tutorials (and I'll post slides from my Introduction to High-Performance Computing with R soon). With about 150 registered participants, plus keynoters, presenters, committee members, representatives from the sponsors (a quick shout of...

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R / Finance 2009

April 26, 2009
By

Our inaugural R / Finance conference, mentioned here twice is now over. We were fortunate to get seven outstanding invited keynote speakers, as well as eleven excellent presentations. This was preceded by four short tutorials (and I'll post slides fro...

Read more »