Mario J. Miranda and Gary D. Schnitkey, "An Empirical Model of Asset
Replacement in Dairy Production", Journal of Applied Econometrics, 
Vol. 10, Supplement, 1995, pp. S41-S56.

All data are in the file mir-sch.dat, which is a DOS file that has been 
zipped in mir-sch.zip.

Data Specification:

   Each record represents a single observation on a cow's production
   environment over a single lactation cycle.  The variables are:

   Column 1:  Farmer identifier (1..5)
   Column 2:  Profit contribution ($ per gallon of milk produced)
   Column 3:  Total milk produced over lactation (thousands of pounds)
   Column 4:  Replacement cost ($ per cow)
   Column 5:  Lactation number of cow
   Column 6:  Post-lactation replacement decision (0=keep,1=replace)

There are 2340 records.