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I've a variable (frequency of intake, represented as number of days from 0 to 730) and I have to log trasform it before using linear regression. Is there a function in XLSTAT to do that? or should I use directly log-linear regression without prior transormation? and in that case which distribution I have to chose (Poisson, etc.)?Thank you for your help.
You can use the Excel function =log() to transform your variable.
Alternatively, you can use the log-linear regression with XLSTAT. Poisson is the option to go for since your dependent variable is a count variable.
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