3175 search results for "gis"

John Snow’s Cholera data in more formats

March 13, 2013
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John Snow’s Cholera data in more formats

In honour of the bicentenary of John Snow’s birth – and because I was asked to by someone via email – I have now released my digitisation of John Snow’s Cholera data in a few other formats: KML and as Google Fusion Tables. To save you reading my previous blog posts on the subject, I’ll

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New package for ensembling R models

March 13, 2013
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New package for ensembling R models

I've written a new R package called caretEnsemble for creating ensembles of caret models in R.  It currently works well for regression models, and I've written some preliminary support for binary classification models. At th...

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R to Latex packages: Coverage

March 12, 2013
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There are now quite a few R packages to turn cross-tables and fitted models into nicely formatted latex. In a previous post I showed how to use one of them to display regression tables on the fly. In this post I summarise what types of R object each of the major packages can deal with.

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High Resolution Figures in R

March 12, 2013
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High Resolution Figures in R

As I was recently preparing a manuscript for PLOS ONE, I realized the default resolution of R and RStudio images are insufficient for publication. PLOS ONE requires 300 ppi images in TIFF or EPS (encapsulated postscript) format. In R plots … Continue reading →

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R 101

March 11, 2013
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as.character() is your friendas.character() is your friend Sometimes when you open a data file (lets say a .csv), variables will be recognized as factor whereas it should be numeric. It is therefore tempting to simply convert the variable to numeric using as.numeric(). Big mistake! If...

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Simulating Allele Counts in a population using R

March 11, 2013
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Simulating Allele Counts in a population using R

This post is inspired by the Week 7 lectures of the Coursera course "Introduction to Genetics and Evolution" (I highly recommend this course for anyone interested in genetics, BTW.) Professor Noor uses a Univ Washington software called AlleleA1 for try...

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Lipsyncing for your life: a survival analysis of RuPaul’s Drag Race

March 11, 2013
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Lipsyncing for your life: a survival analysis of RuPaul’s Drag Race

If you follow me on Twitter, you know that I’m a big fan of RuPaul’s Drag Race. The transformation, the glamour, the sheer eleganza extravanga is something my life needs to interrupt the monotony of grad school. I was able to catch up on nearly four seasons in a little less than a month, and I’ve been watching the… Continue reading →

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Analyse Quandl data with R – even from the cloud

March 10, 2013
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Analyse Quandl data with R – even from the cloud

I have read two thrilling news about the really promising time-series data provider called Quandl recently: Quandl: A Wikipedia for Time Series DataQuandl package released to CRANWith the help of the Quandl R package* (development version...

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Call for participation: DMApps 2013 – an International Workshop on Data Mining Applications in Industry and Government

March 10, 2013
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Call for participation: DMApps 2013 – an International Workshop on Data Mining Applications in Industry and Government

Call for participation: DMApps 2013 – an International Workshop on Data Mining Applications in Industry and Government in conjunction with PAKDD 2013, Gold Coast, Australia, April 14, 2013 http://dmapps2013.rdatamining.com To attend the workshop, you need to register for PAKDD 2013 … Continue reading →

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MCMSki IV, Jan. 6-8, 2014, Chamonix (news #4)

March 9, 2013
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MCMSki IV, Jan. 6-8, 2014, Chamonix (news #4)

More news about MCMSki IV! Remember, the call is still open for contributed sessions for a few more weeks, till March. 20 to be precise (make sure to contact me at [email protected] if you are considering putting one session together). To all those who already submitted a session, thanks a lot, please stay tuned, and

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