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st: 回复： st: AW: 回复： AW: 回复： st: re: missing string entry
From
lydia huang <[email protected]>
To
[email protected]
Subject
st: 回复： st: AW: 回复： AW: 回复： st: re: missing string entry
Date
Tue, 9 Mar 2010 17:24:02 +0800 (CST)
Dear Martin,
why there is a -*- after -clear-?
what is -set obs 1-?
Best wishes
Lydia
--- 10年3月9日，周二, Martin Weiss <[email protected]> 写道：
> 发件人: Martin Weiss <[email protected]>
> 主题: st: AW: 回复： AW: 回复： st: re: missing string entry
> 收件人: [email protected]
> 日期: 2010年3月9日,周二,下午4:40
>
> <>
>
> Spell out the function as "missing()":
>
>
> *************
> clear*
> set obs 1
> gen x=""
> replace x="null" if missing(x)
> *************
>
>
>
> HTH
> Martin
>
>
> -----Ursprüngliche Nachricht-----
> Von: [email protected]
> [mailto:[email protected]]
> Im Auftrag von lydia huang
> Gesendet: Dienstag, 9. März 2010 09:39
> An: [email protected]
> Betreff: st: 回复： AW: 回复： st: re: missing string
> entry
>
> yes, i am using stata7, then how can i replace all the
> missing string entries with "null" in stata7?
>
> --- 10年3月9日，周二, Martin Weiss <[email protected]>
> 写道：
>
> > 发件人: Martin Weiss <[email protected]>
> > 主题: AW: 回复： st: re: missing string entry
> > 收件人: [email protected]
> > 日期: 2010年3月9日,周二,下午4:15
> >
> > <>
> >
> >
> >
> > -mi()- was introduced in Stata 8 (-help
> whatsnew7to8-), so
> > if you are a Stata 7 user, then the mystery is solved.
> If
> > not, it lingers on...
> >
> >
> >
> > HTH
> > Martin
> >
> > -----Ursprüngliche Nachricht-----
> > Von: [email protected]
> > [mailto:[email protected]]
> > Im Auftrag von lydia huang
> > Gesendet: Dienstag, 9. März 2010 04:46
> > An: [email protected]
> > Betreff: st: 回复： st: re: missing string entry
> >
> > i typed
> >
> > replace nosocomial_infection = "NULL" if
> > mi(nosocomial_infection)
> >
> > and it says "unknown function mi()".
> > what does this mean? how solve it? I want to change
> all the
> > missing string variables into "null", do i type the
> > following?
> >
> > replace _all = "NULL" if mi(_all)
> >
> > Best wishes
> > Lydia
> >
> > --- 10年3月9日，周二, Kit Baum <[email protected]>
> > 写道：
> >
> > > 发件人: Kit Baum <[email protected]>
> > > 主题: st: re: missing string entry
> > > 收件人: [email protected]
> > > 日期: 2010年3月9日,周二,上午10:36
> > > <>
> > > How to convert all the missing string entry into
> > entry
> > > shows "null"?
> > >
> > > replace myvar = "NULL" if mi(myvar)
> > >
> > > Kit
> Baum | Boston
> > College
> > > Economics & DIW
> > > Berlin | http://ideas.repec.org/e/pba1.html
> > >
>
> >
> > >
> > An
> > > Introduction to Stata Programming
> > > | http://www.stata-press.com/books/isp.html
> > > An Introduction to Modern
> Econometrics
> > > Using Stata | http://www.stata-press.com/books/imeus.html
> > >
> > >
> > > *
> > > * For searches and help try:
> > > * http://www.stata.com/help.cgi?search
> > > * http://www.stata.com/support/statalist/faq
> > > * http://www.ats.ucla.edu/stat/stata/
> > >
> >
> >
> >
> >
> >
> > *
> > * For searches and help try:
> > * http://www.stata.com/help.cgi?search
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
> >
> >
> > *
> > * For searches and help try:
> > * http://www.stata.com/help.cgi?search
> > * http://www.stata.com/support/statalist/faq
> > * http://www.ats.ucla.edu/stat/stata/
> >
>
>
>
>
>
> *
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> *
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*
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