KEY2STATS

View Data Set

Name:

Data on red grouse ticks from Elston et al. 2001

Description:

Number of ticks on the heads of red grouse chicks sampled in the field (grouseticks) and an aggregated version (grouseticks_agg); see original source for more details

Variables:

INDEX

(factor) chick number (observation level)
TICKS: number of ticks sampled
BROOD: (factor) brood number
HEIGHT: height above sea level (meters)
YEAR: year (-1900)
LOCATION: (factor) geographic location code
cHEIGHT: centered height, derived from HEIGHT
meanTICKS: mean number of ticks by brood
varTICKS: variance of number of ticks by brood

Details

grouseticks_agg is just a brood-level aggregation of the data

Link To Google Sheets:

Rows:

403

Columns:

Files:

Data on red grouse ticks from Elston et al.csv

License Type:

Public Domain (CC0)

References/Notes/Attributions:

Source

Robert Moss, via David Elston

References

Elston, D. A., R. Moss, T. Boulinier, C. Arrowsmith, and X. Lambin. 2001. "Analysis of Aggregation, a Worked Example: Numbers of Ticks on Red Grouse Chicks." Parasitology 122 (05): 563-569. doi:10.1017/S0031182001007740. http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=82701.

R Dataset Upload:

Use the following R code to directly access this dataset in R.

d <- read.csv("https://www.key2stats.com/Data_on_red_grouse_ticks_from_Elston_et_al.csv")