On this Picostat.com statistics page, you will find information about the Grunfeld data set which pertains to Grunfeld's Investment Data. The Grunfeld data set is found in the plm R package. You can load the Grunfeld data set in R by issuing the following command at the console data("Grunfeld"). This will load the data into a variable called Grunfeld. If R says the Grunfeld data set is not found, you can try installing the package by issuing this command install.packages("plm") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Grunfeld R data set. The size of this file is about 4,900 bytes.
Grunfeld's Investment Data
A balanced panel of 10 observational units (firms) from 1935 to 1954
total number of observations : 200
observation : production units
country : United States
A data frame containing :
value of the firm
stock of plant and equipment
The Grunfeld data as provided in package
plm is the same data as used in Baltagi (2001), see Examples below.
Various versions of the Grunfeld data circulate online. Also, various text books (and also varying among editions)
and papers use different subsets of the original Grunfeld data, some of which contain errors in a few data points
compared to the original data used by Grunfeld (1958) in his PhD thesis. See Kleiber/Zeileis (2010) and its
accompanying website for a comparison of various Grunfeld data sets in use.
Online complements to Baltagi (2001):
Online complements to Baltagi (2013):
Baltagi, Badi H. (2001) Econometric Analysis of Panel Data, 2nd ed., John Wiley and Sons;
accompanying website http://www.wiley.com/legacy/wileychi/baltagi/.
Baltagi, Badi H. (2013) Econometric Analysis of Panel Data, 5th ed., John Wiley and Sons;
accompanying website http://bcs.wiley.com/he-bcs/Books?action=resource&bcsId=4338&itemId=1118672321&resourceId=13452.
Grunfeld, Yehuda (1958) The Determinants of Corporate Investment, Ph.D. thesis, Department of Economics, University of Chicago.
Kleiber, C./Zeileis, A. (2010) “The Grunfeld Data at 50”, German Economic Review, 11(4), pp. 404–417,
website accompanying the paper with various variants of the Grunfeld data: http://statmath.wu-wien.ac.at/~zeileis/grunfeld/.
For the complete Grunfeld data (11 firms), see
Grunfeld, in the
## Not run:
# Compare plm's Grunfeld data to Baltagi's (2001) Grunfeld data:
Grunfeld_baltagi2001 <- read.csv("http://www.wiley.com/legacy/wileychi/
baltagi/supp/Grunfeld.fil", sep="", header = FALSE)
compare::compare(Grunfeld, Grunfeld_baltagi2001, allowAll = T) # same data set
## End(Not run)
Dataset imported from https://www.r-project.org.