|
|  |
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: Display of missing by groups
I guess it must be difficult for Stata to put in an option to -by-, such as
by x, nomiss: command
But it would save repeated lines of code when one didn't want to display
data for the missing group.
Thanks,
Fred
At 07:23 AM 2/8/2006, [email protected] wrote:
Rather than using -bys ranada: sum haq- you could use -tabstat haq, by
(ranada)-. Or -levelsof- and -foreach- to cycle through the groups.
tabstat mpg weight if mpg >10, by(rep) ///
stat(N mean sd min max ) c(s) nototal
levelsof rep, local(levels)
foreach l of local levels {
sum mpg weight if mpg > 10 & rep == `l'
}
Scott
----- Original Message -----
From: Fred Wolfe <[email protected]>
Date: Wednesday, February 8, 2006 7:02 am
Subject: st: Display of missing by groups
> Statalisters,
>
> I keep thinking there must be an easy solution to this problem,
> but I can't
> find it. This code always produces a . (missing) bygroup.
>
> . bys ranada: su haq* if full ==1 & newenc ==3 & ranada !=.
>
> -------------------------------------------------------------------
> ---------------------------------------------------------
> -> ranada = 0
>
> Variable | Obs Mean Std. Dev. Min
> Max
> -------------+-----------------------------------------------------
> ---
> haq_disabi~y | 917 1.106325 .6579799 0
> 3
> haq2 | 915 1.07224 .6258604 0
> 2.9
>
> -------------------------------------------------------------------
> ---------------------------------------------------------
> -> ranada = 1
>
> Variable | Obs Mean Std. Dev. Min
> Max
> -------------+-----------------------------------------------------
> ---
> haq_disabi~y | 969 1.103844 .6835943 0
> 3
> haq2 | 967 1.065047 .6345786 0
> 2.8
>
> -------------------------------------------------------------------
> ---------------------------------------------------------
> -> ranada = .
>
> Variable | Obs Mean Std. Dev. Min
> Max
> -------------+-----------------------------------------------------
> ---
> haq_disabi~y | 0
> haq2 | 0
>
>
> However, I don't want to display the missing by group. I know that
> I can
> -preserve-, -drop if ranada == .-, run the code, and then -restore-.
>
> But is there an easier way?
>
> Thanks,
>
> Fred
>
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
Fred Wolfe
National Data Bank for Rheumatic Diseases
Wichita, Kansas
Tel (316) 263-2125 Fax (316) 263-0761
[email protected]
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
