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calculating the mean change in a log transformed variable


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#1 ari_doodle

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Posted 20 June 2009 - 09:51 PM

I have a data set that has pre and post intervention data. One of the variables I am intersted in had to be log-transformed because it was not normally distributed. I need to calcualte the mean % change from pre to post for this variable. How do I do that since it is log transformed??

#2 HomeBrew

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Posted 21 June 2009 - 01:34 AM

See here.




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