# PS3.2, for Section 3.6 on changing units 
open data3-1
ols price 0 sqft 
# price in dollars 		
genr price2 = price*1000
# estimate new model 	
ols price2 0 sqft 
# sqft in hundredths 	
genr sqft2 = sqft/100
# estimate new model 	
ols price 0 sqft2 
# both units changed 	
ols price2 0 sqft2 
