Blog Archives

chartsnthings !

May 8, 2012
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Yair pointed me to this awesome blog of how the NYT people make their graphs. This blows away all other stat graphics blogs (including this one). Lots of examples from mockup to first tries to final version. I recognize a lot of what they’re doing from my own experience. Also from my experience it’s hard The post chartsnthings...

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Google Translate for code, and an R help-list bot

May 3, 2012
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What we did in our Stan meeting yesterday: Some discussion of revision of the Nuts paper, some conversations about parameterizations of categorical-data models, plans for the R interface, blah blah blah. But also, I had two exciting new ideas! Google Translate for code Wouldn’t it be great if Google Translate could work on computer languages? The post Google...

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Taking a Ride on the Wild Function – Introducing the dostats package

February 20, 2012
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Lately I have been rather productive in my programming and frustrated at the same time. Trying to solve the problems of creating a demographics summary table proved to be a lesson in frustration with R. Since I love R, this was disheartening. I did eventually find the reporttools package which does make a great latex

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Lessons learned from a recent R package submission

January 21, 2012
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Lessons learned from a recent R package submission

R has zillions of packages, and people are submitting new ones each day. The volunteers who keep R going are doing an incredibly useful service to the profession, and they’re busy. A colleague sends in some suugestions based on a recent experience with a package update: 1. Always use the R dev version to write The post Lessons...

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How to map geographically-detailed survey responses?

January 17, 2012
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David Sparks writes: I am experimenting with the mapping/visualization of survey response data, with a particular focus on using transparency to convey uncertainty. See some examples here. Do you think the examples are successful at communicating both local values of the variable of interest, as well as the lack of information in certain places? Also, The post How...

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R-squared for multilevel models

January 15, 2012
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Fred Schiff writes: I’m writing to you to ask about the “R-squared” approximation procedure you suggest in your 2004 book with Dr. Hill. I’m a media sociologist at the University of Houston. I’ve been using HLM3 for about two years. Briefly about my data. It’s a content analysis of The post R-squared...

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Using factor analysis or principal components analysis or measurement-error models for biological measurements in archaeology?

December 31, 2011
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Greg Campbell writes: I am a Canadian archaeologist (BSc in Chemistry) researching the past human use of European Atlantic shellfish. After two decades of practice I am finally getting a MA in archaeology at Reading. I am seeing if the habitat or size of harvested mussels (Mytilus edulis) can be reconstructed from measurements of the The post Using...

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Ripley on model selection, and some links on exploratory model analysis

December 17, 2011
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This is really fun. I love how Ripley thinks, with just about every concept considered in broad generality while being connected to real-data examples. He’s a great statistical storyteller as well. . . . and Wickham on exploratory model analysis I came across Ripley’s slides in a reference from Hadley Wickham’s article on exploratory model The post Ripley...

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CrossValidated: A place to post your statistics questions

December 16, 2011
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CrossValidated:  A place to post your statistics questions

Seth Rogers writes: I am a member of an online community of statisticians where I burn a great deal of time (and a recovering cog sci researcher). Our community website is a peer-reviewed Q and A spanning stats topics ranging from applications to mathematical theory. Our online community consists of mostly university faculty, grad The post CrossValidated:...

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Permanently Setting the CRAN repository

November 29, 2011
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Setting the CRAN repository so that it does not ask every time you try to install a package  is something that I think few people bother to do, but it is so simple and can save a fair bit of frustration when working.  This is accomplished through a setting in one of the Rprofile files.  There

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