1500 search results for "Regression"

Mystery solved: The discrepancy in homicide data

July 27, 2010
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Mystery solved: The discrepancy in homicide data

I've been complaining about how homicide statistics from police sources were too low in 2009, with the entire state of Chihuahua having less homicides than its biggest city. I was thinking of finding out if I could use the IFAI (Freedom of Information Access) to obtain the original CIEISP forms which the state police forces are supposed to fill out each month...

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useR! 2010 done and dusted

July 23, 2010
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useR! 2010 done and dusted

:

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R Beginner’s Guide Book Update 7/19/2010

July 19, 2010
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R Beginner’s Guide Book Update 7/19/2010

Update: Statistical Analysis with R is now available!I am excited to announce that I have submitted the entire first draft of my R Beginner's Guide book, which is to be published through Packt. The tenth and final chapter was submitted a full month ahe...

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R Beginner’s Guide Book Update 7/19/2010

July 19, 2010
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R Beginner’s Guide Book Update 7/19/2010

Update: Statistical Analysis with R is now available!I am excited to announce that I have submitted the entire first draft of my R Beginner's Guide book, which is to be published through Packt. The tenth and final chapter was submitted a full month ahe...

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Creating a Presentation with LaTeX Beamer – Boxes

July 19, 2010
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Creating a Presentation with LaTeX Beamer – Boxes

We can add coloured boxes with text or mathematics into a LaTeX beamer presentation which is particularly useful if we have definitions, theorem or computer code to highlight this information that may not be so accessible within a paragraph of text. Fast Tube by Casper The easiest way to create a box is to use the various

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Npmlreg and Flexmix

July 18, 2010
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Npmlreg and Flexmix

In my attempt to estimate a mixture regression model for the long-term impact of prenatal famine exposure, I compared results obtained from NPMLREG and Flexmix using the "rainfall" data set came with the package "forward" and was able to achieve identi...

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Cherry Picking to Generalize ~ retrospective meta-power analysis using Cohen’s f^2 of NASA temp + visualization

July 17, 2010
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Cherry Picking to Generalize ~ retrospective meta-power analysis using Cohen’s f^2 of NASA temp + visualization

Previously, I plotted a grid of NASA GISS global temps in ggplot2 to show general trends by the brute force method. Here, I will again use the brute force method to do a simple power analysis on a portion of the data (data here). The general aim is to figure out what the minimum sample

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What (Search Engines Think) People Want

July 17, 2010
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What (Search Engines Think) People Want

R O How G8 U R!Hey, R U there? Having used the R language for awhile now, I would like to let you know that R works - in fact R works really well. If you keep up with R news this should be no surprise...this is, after all...an r blog! R and R alone c...

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Wanted: Big-data beta testers

July 15, 2010
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We're nearing completion of the package of statistical tools for very large data sets that I gave an early preview of at R/Finance 2010. It will be released for Revolution R Enterprise later this year, but we're looking for some R users with big data sets to put the 1.0 version through its paces in the beta program and...

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Core in CiRM [2]

July 8, 2010
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Core in CiRM [2]

We are making slow progress on the normal and regression chapters as we decided to write the package at the same time we revise the chapters… Jean-Michel transformed the variable selection and model choice R codes of the regression chapter into generic functions that will fit within the package. I rewrote the section on testing,

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