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Stephan Kolassa
Stephan Kolassa
6:58 AM
0
Q: Profusion of threads on log transform - find candidates for FAQ tag

Stephan KolassaWe regularly get questions about log transforming dependent variables, which in some quarters appears to be seen as a magic silver bullet that solves all problems, because apparently, "everything is normally distributed after log-transforming" (which, to be explicit, is wrong, and not even useful...

discussion meta-faq data-transformation logarithm
2
 
 
3 hours later…
User1865345
User1865345
9:46 AM
@StephanKolassa that's a good step.
 
 
14 hours later…
Nick Alexeev
Nick Alexeev
11:44 PM
Folks, is covariance equal to a product between two standard deviations
sigma_xy = sigma_x * sigma_y
?
No, it's not.
 

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