We have collected variables that represent proportions (i. e., the
proportion of sentences in a number of texts that belong to a certain
category). The distributions of these variables are highly skewed (the
proportions for most of the texts are zero or rather low). So my
question is: Is there a function that transforms the proportions into
symmetrically distributed variables? And is there a reliable statistics
text that discusses such transformations?
Thank you very much,
Tobias Richter
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Tobias Richter, Psychological Dpt. (General Psychology)
University of Cologne (Germany)
Phone +49-(0)221-470 38 48 E-Mail [EMAIL PROTECTED]
http://www.allg-psych.uni-koeln.de/richter/trichter.htm
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