* OLS Model for Child Mortality
*
* Keywords:
*     regression, ols, inverse, reciprocal, per capita gnp, child, mortality, 
*     graph
*
* Description:
*     We illustrate how to estimate a Reciprocal OLS Model for Child Mortality
*     and create a graph
*
* Author(s):
*     Skif Pankov
*
* Source:
*    Damodar N. Gujarati and Dawn C. Porter, Basic Econometrics - 5th Edition
*    McGraw-Hill International Edition, Chapter 6, Example 6.6 (page 167)
*
sample 1 64

read(data_6.6.shd) cm flfp pgnp tfr

* Creating a plot of cm against pgnp
graph cm pgnp

* Generating an an inverse of pgnp in a new variable - invpgnp:
genr invpgnp = 1/pgnp

*Running an OLS regression of cm on invpgnp, specifying that it's a 
* linear-inverse regression:
ols cm invpgnp / rstat lininv

stop