Re: st: R: Log of nonpositive numbers

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 10:09 PM 3/29/2008, Austin Nichols wrote:
> No, it would not be okay.  You might instead pick an alternative
> transformation that is similar to the log but allows for nonpositive
> arguments.
>   ssc inst transint
>   help transint
> has a useful discussion of alternatives.
Thanks for pointing that out Austin (and to Nick C. for writing 
-transint-).  So, would economists recommend the cube root function 
for something like wealth that can go negative, or would some other 
transformation be more common?


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Richard Williams, Notre Dame Dept of Sociology
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