# Simulate data
clear
set obs 100
set seed 321
 
matrix C = (1, .7 \ .7, 1)
 
corr2data x y, means(50 70) corr(C)
 
gen z=x
 
sum x y z
 
#Modify z variable
replace z=z+5 if y>70
replace z=z-5 if y<70
replace z=z+1 if x>51
replace z=z-1 if x<49
replace z=z-2 if x<51 & x>49 & z<50
replace z=z+2 if x<51 & x>49 & z>50
replace z=z+1 if x<49 
replace z=z-3 if x>=50.4 & x<=50.6 & z>50
replace z=z-2 if x<=49.4 & z>50
replace z=z+3 if x>=50.4 & x<=50.6 & z<50
replace z=z+2 if x>=48.5 & x<=49 & z<50
replace z=z+2 if x>=48.1 & x<=48.5 & z<50<?php
 
// your code goes here

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