smsets (version 2.0.0)

sparrows: 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)