survey

Feedback from vignette survey

January 8, 2012 | Markus Gesmann

Many thanks to all who participated in the survey about writing R package vignettes.Following my post last Thursday the responses came in quickly in the evening and all day on Friday. Since Saturday the response rate has been decreasing constantly and ...
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Survey: Writing package vignette

January 5, 2012 | Markus Gesmann

I am currently co-writing the vignette for the ChainLadder package and wonder what I should be focusing on. I have co-written the vignette of the googleVis package in the past and based it purely and what I thought would work. So, this is an experiment...
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The Open Governance Index: Results for The R Project

August 24, 2011 | BioStatMatt

Just over two weeks ago, I invited readers to complete the Open Governance Index (OGI) Questionnaire regarding The R Project. The OGI evaluates several facets of governance in open source projects (OGI publication). The OGI questionnaire is reproduced below, and each question is linked from the table of useR responses. ... [Read more...]

a survey on ABC

January 6, 2011 | xi'an

With Jean-Michel Marin, Pierre Pudlo and Robin Ryder, we just completed a survey on the ABC methodology. It is now both arXived and submitted to Statistics and Computing. Rather interestingly, our first draft was written in Jean-Michel’s office in Montpelier by collating the ‘Og posts surveying new ABC papers! (...
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Funny Math in Governor Approval Ratings

July 9, 2010 | Matt Shotwell

Andrew Gelman wrote today about some erroneous U.S. Governor approval ratings, noting that the ratings for Janet Napolitano sum to 108%. In fact most of these ratings do not sum to 100%. I prepared a clean CSV file of the ratings, making use of R‘s XML library and the readHTMLTable ... [Read more...]

Correlation scatter-plot matrix for ordered-categorical data

April 7, 2010 | Tal Galili

When analyzing a questionnaire, one often wants to view the correlation between two or more Likert questionnaire item’s (for example: two ordered categorical vectors ranging from 1 to 5). When dealing with several such Likert variable’s, a clear presentation of all the pairwise relation’s between our variable can be ... [Read more...]

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