| dairynorway {sfaR} | R Documentation |
Data on Norwegian dairy farms
Description
This dataset contains nine years (1998-2006) of information on Norwegian dairy farms.
Format
A data frame with 2,727 observations on the following 23 variables.
- farmid
Farm identification.
- year
Year identification.
- y1
Milk sold (1000 liters).
- y2
Meat (1000 NOK).
- y3
Support payments (1000 NOK).
- y4
Other outputs (1000 NOK).
- p1
Milk price (NOK/liter).
- p2
Meat price (cattle index).
- p3
Support payments price (CP index).
- p4
Other outputs price index.
- x1
Land (decare (daa) = 0.1 ha).
- x2
Labour (1000 hours).
- x3
Purchase feed (1000 NOK).
- x4
Other variable costs (1000 NOK).
- x5
Cattle capital (1000 NOK).
- x6
Other capital (1000 NOK).
- w1
Land price (NOK/daa).
- w2
Labour price (NOK/hour).
- w3
Feed price index.
- w4
Other variable cost index.
- w5
Cattle capital rent.
- w6
Other capital rent and depreciation.
- tc
Total cost.
Source
https://sites.google.com/site/sfbook2014/home/for-stata-v12-v13-v14
References
Kumbhakar, S.C., H.J. Wang, and A. Horncastle. 2014. A Practitioner's Guide to Stochastic Frontier Analysis Using Stata. Cambridge University Press.
Examples
str(dairynorway)
summary(dairynorway)