Kostova Deliana (HXX1DAK)
>
> I ran into the following small problem that, I think, has
> to do with storage
> types, but I'm not sure how to solve it...
>
> Suppose we want to calculate the product of -.1796042 and
> 4.752947, so we
> type:
> display -.1796042^4.752947
> and we get
> -.00028563
>
> However, if we have variable X= -.1796042 and variable
> Y=4.752947, and we
> type
> gen Z=X*Y, Stata will generate Z=. even though Z should be
> -.00028563.
>
> I know this has to do with storage types, so i tried
> gen double Z=X*Y, but this still produces a missing variable...
What do you want, power ^ or product * ?
I get with StataSE 8
. di -.1796042^4.752947
-.00028563
. di -.1796042*4.752947
-.85364924
. clear
. set obs 1
obs was 0, now 1
. gen power = -.1796042^4.752947
. gen product = -.1796042*4.752947
. l
+-----------------------+
| power product |
|-----------------------|
1. | -.0002856 -.8536493 |
+-----------------------+
Nick
[email protected]
*
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