Thanks Tirthankar,
Using Nick Cox's command is way more efficient. My earlier
attempts were very inefficient.
Cheers,
Susan
> ---------- Forwarded message ----------
> From: Tirthankar Chakravarty
> <[email protected]> Date: Thu, Jul 16, 2009
> at 11:45 AM Subject: Re: st: Data management question
> To: [email protected]
>
>
> <>
> There are probably many ways of doing this, but here is
> way using Nick Cox's -egenmore- (SSC, Nick Winter is
> attributed as the author of the -noccur()- function used
> here) package: ********************
> clear*
> set obs 100
> g crosses = " "
> local cross "x"
> forv i=1/ 100 {
> qui: replace crosses="`cross'" in `i'
> local cross "`cross'x"
> }
> // ssc install egemore, replace
> egen noccur = noccur(crosses), string("x")
> su noccur
> ********************
>
> T
>
> On Thu, Jul 16, 2009 at 2:26 AM, Susan
> Olivia<[email protected]> wrote:
> > Dear Stata lister,
> >
> > I have a variable (say number of days) and is a string
> > variable. This variable is represented by XXXX
> > (basically the number of X denotes the number of days).
> >
> > I would like to create a numeric value for this variable
> > (i.e. 4 crosses = 4) . Is there a way I can easily do
> > this in Stata? I tried the 'encode' and 'destring'
> > commands, but these commands didn't do what I after.
> >
> > Thanks in advance for the tips,
> >
> > Susan
> >
> >
> > *
> > * 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/
> >
>
>
>
> --
> To every Ï?-consistent recursive class κ of
formulae
> there correspond recursive class signs r, such that
> neither v Gen r nor Neg(v Gen r) belongs to Flg(κ)
(where
> v is the free variable of r).
>
> *
> * 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/
