sparrows {smsets} | R Documentation |
Body measurements of female sparrows
Description
Data extracted from the classical report by Hermon Bumpus (1898) who measured morphological variables in sparrows, after a severe storm. This data subset consists of five body measurements of 49 female sparrows, classified according to their survival status (21 survived, 28 did not survive).
Usage
data(sparrows)
Format
A data frame with 49 rows and 6 variables:
Survivorship
A factor with two levels ("S" = Survived, "NS" = Did not survive)
Total_length
Total length (mm), a numeric vector
Alar_extent
Alar extent (mm), a numeric vector
L_beak_head
Length of beak and head (mm), a numeric vector
L_humerus
Length of humerus (mm), a numeric vector
L_keel_sternum
Length of keel of sternum (mm), a numeric vector
References
Bumpus, H.C. (1898). The elimination of the unfit as illustrated by the introduced sparrow, Passer domesticus. Biological Lectures, 11th Lecture. Marine Biology Laboratory, Woods Hole, MA, 209–26.
Manly, B.F.J., Navarro Alberto, J.A. and Gerow, K. (2024) Multivariate Statistical Methods. A Primer. 5th Edition. Boca Raton, CRC Press.
Examples
data(sparrows)
str(sparrows)