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st: RE: Overlaying an unknown number of line graphs

From   Nick Cox <>
To   "''" <>
Subject   st: RE: Overlaying an unknown number of line graphs
Date   Wed, 9 Nov 2011 10:58:11 +0000

It's a loop:

local n = whatever 

forval i = 1/`n' { 
	local call `call' (line freq`i' sample`i', sort)  

twoway `call'

You might to suppress the -legend()-. 


-----Original Message-----
From: [] On Behalf Of Colin Robert Angus
Sent: 09 November 2011 10:48
Subject: st: Overlaying an unknown number of line graphs

Dear list,

I am writing a do file to take n random samplings from a distribution, 
for a user-inputted value of n.
This file creates variables labelled sample`i' and freq`i' for each 
value of i between 1 and n.
I would like to draw a single line graph with all of the plots of 
sample`i' against freq`i' overlaid on it.
So something like:
twoway (line freq1 sample1, sort) (line freq2 sample2, sort)...(line 
freqn samplen, sort)
But I can't see how to write this without knowing the value of n 
beforehand, and then, if n is large, writing an incredibly long command.
Is there a way to do this within Stata?

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