You want to round up when positive, down when negative.
egen z = std(foo)
replace z = cond(z == 0, 0, cond(z > 0, ceil(z), floor(z)))
Nick
[email protected]
George Hoffman
Thanks, nick. Egen std works. Can I nest floor(ceil(x)) to get the
desired
...?
Nick Cox <[email protected]>
> Despite various answers, no one mention -egen, std()- followed by
> -floor()- and -ceil(). All existing official Stata.
George Hoffman
> Generic problem: I'd like to create categorical variables for a list
of
> continuous variables. The categorical variables would be based upon
the
> z-score of each variable, such as:
> Z-score of X catX
> <-2 -3
> -2 ..-1 -2
> -1 .. 0 -1
> 0 0
> 0.. +1 +1
> 1 ..2 +2
>> +2 +3
>
> If there were a way to z-transform variables, I could do an easy
> recode(catX)
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