Thanks a lot for your reply and sorry for bothering
you again. Still I can't work it out. I just don't
know how to run a programe. I write such things like:
prog define Nick
                  display 'Hi there'
                  end
in a do-file and save the do-file, then I type
'do.....' in the command box to do the do-file, is it
right?
Thanks
Xiaotang
--- Nick Cox <[email protected]> wrote:
> There are two distinct steps: 
> 
> 1. Define the program.
> 
> 2. Run it. 
> 
> Here is another example: 
> 
> . program define xiaotang
>   1. di "Hi there!" 
>   2. end 
> 
> . xiaotang
> Hi there!
> 
> I defined a program called "xiaotang"; 
> then I ran it. (This is possible because there 
> is no official Stata command called -xiaotang-.) 
> 
> See [U] 21 Programming Stata. 
> 
> Nick 
> [email protected] 
> 
> > -----Original Message-----
> > xiaotang li
> > 
> > Thanks for your kind help. I can simply do the
> > following just by running do "C:\.....\.do" in the
> > command box. But still don't understand how to run
> the
> > program. I define the program in the do-file and
> run
> > it by typing 'do....' in the command box, but
> seems it
> > is not the correct way. I can't find related
> > information in the 'help'.
> > 
> > matrix A = J(3,3,1)
> > 	matrix list A
> > 	forval i = 1/4 { 
> > 		matrix A = 2 * A
> > 		matrix  li A 
> > 	}
> > 
> 
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