Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

RE: st: convolution-trial/correction


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: convolution-trial/correction
Date   Wed, 24 Mar 2004 10:54:12 -0000

The syntax for -range- is accessible via -help range-. 

It's usually not a good idea to change the index 
of a loop within the loop; thus 

	local j = `i' * 1 

You might need to -drop x- as well. 

Don't put [_n] to the left of an = sign. 

Nick 
n.j.cox@durham.ac.uk 

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Andreas
> Aschbacher
> Sent: 24 March 2004 10:41
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: convolution-trial/correction
> 
> 
> > Dear fellows !
> > 
> > /first thanks to Neil from yesterday/
> > 
> > please consider the following as "Pseudocode"
> > 
> > clear
> > set obs 100
> > gen d =.
> > gen d1 =.
> > forvalues i = 1(1)100 {
> > local i = `i' * 0.1     <-  0.1 *1,2,3,4,..... 
> *-multplikation-operator
> > range x .1(.1)i          <-   range until i-value           
>             
> > gen double y=exp(-(`i'-x)^2/2)*0.1/(x + 0.1)    <- y as function of
> > i-value
> > integ y x,gen(Sy)    <- integrate until i-value
> > *save new y- and Sy- value in two columns :
> > replace d[_n] = y   
> > replace d1[_n] = Sy
> > drop Sy y
> > }
> > 
> > please any advice that it works correctly.

*
*   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/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index