1570 search results for "regression"

RcppArmadillo 0.1.0

March 11, 2010
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Besides the new RcppExamples, another new package RcppArmadillo got spun out of Rcpp with the recent release 0.7.8 of Rcpp. Romain and I already had an example of a simple but fast linear model fit using the (very clever) Armadillo C++ library by...

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RcppArmadillo 0.1.0

March 11, 2010
By

Besides the new RcppExamples, another new package RcppArmadillo got spun out of Rcpp with the recent release 0.7.8 of Rcpp. Romain and I already had an example of a simple but fast linear model fit using the (very clever) Armadillo C++ library by Conr...

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In case you missed it: February roundup

March 10, 2010
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In case you missed them, here are some articles from last month of particular interest to R users. We announced the availability on YouTube of "What is R", a 4-part video based on a recent webcast I hosted. We announced a webinar I hosted on REvolution's debugger for R (a recorded replay is now available). We linked Salvio Rodrigues...

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Getting data from an image (introductory post)

March 5, 2010
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Getting data from an image (introductory post)

Hi there! This blog will be dedicated to data visualization in R. Why? Two reasons. First, when it comes to statistics, I am always starting by some exploratory analyses, mostly with plots. And when I handle large quantities of data, it’s nice to make some graphs to get a grasp about what is going on.

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Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

February 23, 2010
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Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

Being able to press a single button that runs all your statistical analyses and integrates the output into your final report is a beautiful thing. If you have not already heard, this is what Sweave can do for you. However, getting your computer to run ...

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Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

February 23, 2010
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Getting Started with Sweave: R, LaTeX, Eclipse, StatET, & TeXlipse

Being able to press a single button that runs all your statistical analyses and integrates the output into your final report is a beautiful thing. If you have not already heard, this is what Sweave can do for you. However, getting your computer to run ...

Read more »

Mexico’s Economy

February 22, 2010
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Mexico’s Economy

Yesterday the INEGI released the GDP figures for 2009, and since it was an annus horribilis for Mexico, I thought I'd put up a couple of charts. Looking through the Banco de Información Económica I found two series of historical seasonally adjusted GDP data available: GDP in 1993 pesos going from 1980 to 2007 GDP in 2003 pesos going...

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Mexico’s Economy

February 22, 2010
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Mexico’s Economy

Yesterday the INEGI released the GDP figures for 2009, and since it was an annus horribilis for Mexico, I thought I'd put up a couple of charts. Looking through the Banco de Información Económica I found two series of historical seasonally adjusted GDP data available:GDP in 1993 pesos going from 1980 to 2007 GDP in 2003 pesos going...

Read more »

Generalized linear mixed effect model problem

February 16, 2010
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Generalized linear mixed effect model problem

I am trying to compare cohort difference in infant mortality using generalized linear mixed model. I first estimated the model in Stata:xi:xtlogit inftmort i.cohort, i(code)which converged nicely:Fitting comparison model:Iteration 0:   log likelih...

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Handling hierarchical data structure in R

February 11, 2010
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Handling hierarchical data structure in R

R has a comprehensive set of tools for the handling of hierarchical data structure. The most widely used package is probably "nlme" and "lme4", contributed by Douglas Bates and colleagues. While "nlme" is older and probably more mature than "...

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