EURD | R Documentation |
A random sample of 15 countries' research and development investments for
the years 2002 and 2003 is taken and the results in millions of euros are
stored in EURD
.
A data frame with 15 observations on the following 3 variables:
a factor with levels Bulgaria
,
Croatia
, Cyprus
, Czech Republic
, Estonia
,
France
, Hungary
, Latvia
, Lithuania
,
Malta
, Portugal
, Romania
, Slovakia
, and
Slovenia
research and development investments in millions of euros for 2002
research and development investments in millions of euros for 2003
Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.
qqmath(~(RD2003 - RD2002), data = EURD, type=c("p", "r"))
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