| lizard_run | R Documentation |
Data on top speeds measured on a laboratory race track for two species of lizards: Western fence lizard (Sceloporus occidentalis) and Sagebrush lizard (Sceloporus graciosus).
lizard_run
A data frame with 48 observations on the following 3 variables.
Top speed of lizard, meters per second.
Common name: Western fence lizard and Sagebrush lizard.
Scientific name (Genus and species): Sceloporus occidentalis and Sceloporus graciosus.
Adolph, S. C. 1987. Physiological and behavioral ecology of the lizards Sceloporus occidentalis and Sceloporus graciosus. Dissertation. University of Washington, Seattle, Washington, USA.
library(ggplot2)
library(dplyr)
# Top speed by species
ggplot(lizard_run, aes(x = top_speed, color = common_name, fill = common_name)) +
geom_density(alpha = 0.5)
# Top speed summary statistics by species
lizard_run %>%
group_by(common_name) %>%
summarise(
n = n(),
mean = mean(top_speed),
sd = sd(top_speed)
)