galaxy {ElemStatLearn} | R Documentation |
Radial Velocity of Galaxy NGC7531
data(galaxy)
A data frame with 323 observations on the following 5 variables.
The galaxy data frame records the radial velocity of a spiral galaxy measured at 323 points in the area of sky which it covers. All the measurements lie within seven slots crossing at the origin. The positions of the meas- urements given by four variables (columns).
Buta, R. (1987) The Structure and Dynamics of Ringed Galaxies, III: Surface Photometry and Kinematics of the Ringed Nonbarred Spiral NGC7531. The Astrophysical J. Supplement Ser. Vol. 64, pp. 1–37.
John M. Chambers and Trevor J. Hastie, (eds.) Statistical Models in S, Wadsworth and Brooks, Pacific Grove, CA 1992, pg. 352.
str(galaxy) summary(galaxy)