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From |
"Nick Cox" <[email protected]> |

To |
<[email protected]> |

Subject |
st: RE: Re: Re: Efficienct ? |

Date |
Wed, 14 May 2003 15:48:21 +0100 |

victor michael zammit > given a dataset with 100 variables,of five observations in > each,where the > 5th observation goes from 1 to 100, e.g. : > > > a1 a2..... a50...... a100 > 1 1 1 1 > 2 2 2 2 > 3 3 3 3 > 4 4 4 4 > 1 2 50 100 > The dataset is saved as A1toA100 > I would like to postfile the standard error,the lower > bound and the upper > bound for each variable,at 95% confidence.I am using Stata > 6.0.What I am > doing is this case is to program the following ,with the > ensuing result: > > quietly { > capture program drop pstfle > program define pstfle > use A1toA100,clear > keep A`1' > quietly ci > di r(se) " " r(lb) " " r(ub) > end > } > pstfle 1 > pstfle 2 > pstfle 50 > pstfle 100 > > > . pstfle 1 > .58309519 .58106823 3.8189318 > > . pstfle 2 > .50990195 .98428524 3.8157148 > > . pstfle 50 > 9.5131488 -14.412735 38.412735 > > . pstfle 100 > 19.506409 -32.158474 76.158474 > > After highlight "copy" and "paste" ,I use "edit" the data > in a variables' > format. > Is there a more efficient way of doing this ? I am not clear where you want the results to go. Although you refer to postfile your code just displays results in Stata and has no connection to the -postfile- command. No problem there, except that the word is a keyword to Stata people. You could do just this: (1) use A1toA100 local i = 1 while `i' <= 100 { qui ci a`i' di r(se) " " r(lb) " " r(ub) local i = `i' + 1 } I think that should work in Stata 6. Or you could do this: (2) use A1toA100 set obs 100 gen se = . gen lb = . gen ub = . local i = 1 qui while `i' <= 100 { ci a`i' replace se = r(se) in `i' replace lb = r(lb) in `i' replace ub = r(ub) in `i' local i = `i' + 1 } l se lb ub Note in particular that there is no need to read the data in again and again. Nick [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/

**Follow-Ups**:**st: Re: RE: Re: Re: Efficienct ?***From:*"victor michael zammit" <[email protected]>

**References**:**st: Re: Re: Efficienct ?***From:*"victor michael zammit" <[email protected]>

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