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The “splitstackshape” package for R 15 Aug 2013 | 01:02 pm
A while ago, a friend of ours presented me with a data problem. Her questionnaire had some questions where the respondent could provide multiple responses. You know, the “Check as many as apply” type ...
What exactly is “elegant” code in R? 4 Dec 2012 | 12:52 pm
In celebration of my achieving 10,000 “reputation” on Stack Overflow, I’m re-posting one of my questions from there that was (as I had expected) deleted after being live for about 5 hours. In that tim...
I’m not at all religious, but… 27 Jun 2011 | 12:43 am
… here is a goddess that I am happy to worship… Don't make me squirt my milk bottle at you! I also had a few alternatives–and I’m still not sure which one is my favorite.
On the trucks around town… 15 Jun 2011 | 04:40 pm
Anyone who has spent some time in India is sure to have noticed the slogans painted on the back of trucks, autos, and other vehicles advising “we two, ours one”. This is part of India’s “family planni...
Stratified random sampling in R from a data frame 21 May 2011 | 06:01 am
After a little bit more work, there’s a new stratified random sampling function, this one letting you sample from a data frame, returning all the variables for each of your samples as a nice data fram...
Stratified Random Sampling in R–A Function in Progress 15 May 2011 | 10:16 pm
IMPORTANT: This is here mostly to remind me of how I solved my problem. You should read Stratified random sampling in R from a data frame if you really want to use this function. I know that sampling...
Reshaping data in R revisited 18 Apr 2011 | 04:15 pm
A year ago, I wrote a post about reshaping data from a wide format to a long format. I thought that considering how much time had passed, it would be good to revisit R’s in-built reshape functions. F...
