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From |
"Michael Blasnik" <michael.blasnik@verizon.net> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
Re: st: Re: looping and replacing values |

Date |
Fri, 1 Aug 2003 16:44:10 -0400 |

No it doesn't require the observation to be the first one. The command includes bysort farmid (`var'), which will sort the sinlge non-missing observation to always be first in each panel for each var. Michael Blasnik michael.blasnik@verizon.net ----- Original Message ----- From: "Buzz Burhans" <wsb2@cornell.edu> To: <statalist@hsphsun2.harvard.edu> Sent: Friday, August 01, 2003 4:39 PM Subject: Re: st: Re: looping and replacing values > Thanks Michael > > That is close, and I am about to try it, (trying to get a project finished > before the weekend, so I really appreciate your timely help). > > Anyway, it looks like your code would require the single obs for each panel > to be the first one ??: {1}, > and it is not necessarily there, sometimes it is the 7th, sometimes the 10th... > > I am going to try this now. > > Thanks again > > Buzz Burhans > wsb2@cornell.edu > > > At 04:23 PM 8/1/03 -0400, you wrote: > >How about: > > > >foreach var of local Varts { > >bysort farmid (`var'): replace `var'=`var'[1] > >} > > > >Michael Blasnik > >michael.blasnik@verizon.net > > > >----- Original Message ----- > >From: "Buzz Burhans" <wsb2@cornell.edu> > >To: <statalist@hsphsun2.harvard.edu> > >Sent: Friday, August 01, 2003 4:00 PM > >Subject: st: looping and replacing values > > > > > > > I wonder if someone could help me with the syntax below. > > > > > > I have panel data, long form, which has variables where only one > > > observation contains a value within each panel, and the other observations > > > for that panel and variable are missing > > > > > > I would like to loop over the panels and the variables and replace the > > > missings for each panel/variable with the single existing observation for > > > that panel that has a value. I used min, but it doesnt really matter if it > > > is min etc, as there is only one value extant for each panel. > > > > > > There are however, a lot more variables than I show here, and I am quite > > > unsuccesful at making the foreach loops work right. > > > > > > My attempts look like this, and I would appreciate any help. > > > > > > Thanks > > > > > > local Varts "CostCowM7toM12 CostCowQtr CostCWTYrly CostCWTM1toM6 > > > CostCWTM7toM12 CostCWTQtr " > > > tokenize `Varts' > > > levels farmid, local(levels) > > > foreach l of local levels { > > > > > > syntax [varlist] > > > foreach var of local Varts{ > > > replace `var' = min(`var') > > > > > > } > > > } > > > > > > > > > Buzz Burhans > > > wsb2@cornell.edu > > > > > > > > > * > > > * 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/ > > > > > > > > >* > >* 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/ > > > * > * 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/ > * * 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/

**References**:**st: looping and replacing values***From:*Buzz Burhans <wsb2@cornell.edu>

**Re: st: Re: looping and replacing values***From:*Buzz Burhans <wsb2@cornell.edu>

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