NPCirc (version 3.1.2)

dragonfly: Orientations of dragonflies

Description

The data, presented in Batschelet (1981), consists on the orientation of 214 dragonflies with respect to the sun's azimuth.

Usage

data(dragonfly)

Format

A single-column data frame with 214 observations in radians.

Details

Data were originally recorded in degrees.

Examples

data(dragonfly)
x <- circular(dragonfly$orientation)
dens <- kern.den.circ(x)
plot(dens, shrink=1.3)