search for: nov17

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2006 Dec 28
0
Cochran-Armitage statistics
...e.edu.au/R/help/05/11/16601.html). In Peter Dalgaards Introductory statistics with R, a similar test for trends in proportions (prop.trend.test) is described (page 134). I wonder whether prop.trend.test and indepence_test are actually similar. >From http://www-stat.stanford.edu/~rag/stat141/exs/nov17 and the example above one would think so. Since my dataset does not contain only integers (see below) I cannot get Torsten's example to work with my data. I would appreciate some help, and would like to excuse in advance if the answer is trivial. I am a noob, I know. for example: observed 5....