bumpus: House sparrow survival data.
In trobinj/trtools: Miscellaneous Tools for Teaching Statistics
bumpus R Documentation
House sparrow survival data.
Description
Measurements of samples of house sparrows (Passer domesticus) brought to the Anatomical Laboratory at Brown University after a severe storm. They were published by Bumpus (1898) who used the data to illustrate natural selection.
Usage
bumpus
Format
A data frame of 136 observations and 13 variables:
- line:
line number from Bumpus' table
- sex:
male (m) or female (f)
- age:
adult (a) or young (y) for males only
- survival:
logical indicating survival of the storm
- length:
length (mm) from "beak to the tip of the tail"
- alar:
alar extent (mm) from "tip to tip of the extended wings"
- weight:
weight in grams
- head:
length of beak and head (mm) "from tip of the beak to the occiput"
- humerus:
length (in) of the humerus
- femur:
length (in) of the femur
- tibiotarsus:
length (in) of the tibiotarsus
- skull:
width (in) of skull "from the postorbital bone of one side to the postorbital bone of the other"
- keel:
length (in) of keel of the sternum
Note
The data and variable descriptions were retrieved from https://www.fieldmuseum.org/science/blog/hermon-bumpus-and-house-sparrows.
Source
Bumpus, H. C. (1898). Eleventh lecture. The elimination of the unfit as illustrated by the introduced sparrow, Passer domesticus. (A fourth contribution to the study of variation.) Biological Lectures: Woods Hole Marine Biological Laboratory, 209-225.
trobinj/trtools documentation built on Jan. 28, 2024, 3:20 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
| bumpus | R Documentation |
House sparrow survival data.
Description
Measurements of samples of house sparrows (Passer domesticus) brought to the Anatomical Laboratory at Brown University after a severe storm. They were published by Bumpus (1898) who used the data to illustrate natural selection.
Usage
bumpus
Format
A data frame of 136 observations and 13 variables:
- line:
line number from Bumpus' table
- sex:
male (m) or female (f)
- age:
adult (a) or young (y) for males only
- survival:
logical indicating survival of the storm
- length:
length (mm) from "beak to the tip of the tail"
- alar:
alar extent (mm) from "tip to tip of the extended wings"
- weight:
weight in grams
- head:
length of beak and head (mm) "from tip of the beak to the occiput"
- humerus:
length (in) of the humerus
- femur:
length (in) of the femur
- tibiotarsus:
length (in) of the tibiotarsus
- skull:
width (in) of skull "from the postorbital bone of one side to the postorbital bone of the other"
- keel:
length (in) of keel of the sternum
Note
The data and variable descriptions were retrieved from https://www.fieldmuseum.org/science/blog/hermon-bumpus-and-house-sparrows.
Source
Bumpus, H. C. (1898). Eleventh lecture. The elimination of the unfit as illustrated by the introduced sparrow, Passer domesticus. (A fourth contribution to the study of variation.) Biological Lectures: Woods Hole Marine Biological Laboratory, 209-225.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.