shark_data_raw {animalEKF}

Original shark data

Description

Original shark data observations, unequally spaced in time

Usage

data(shark_data_raw)

Format

A data frame with 68528 observations on the following 12 variables.

tag

a factor with levels GSH01 GSH02 GSH03 GSH04 GSH05 GSH06 GSH07 GSH08 GSH09 GSH10 GSH11 GSH12 GSH13 GSH14 GSH15 GSH16 GSH17 GSH18 GSH19 GSH20 GSH21 GSH22

X

a numeric vector

Y

a numeric vector

logvelocity

a numeric vector

bearing.to.east.tonext.rad

a numeric vector

turn.angle.rad

a numeric vector

state.guess2

a numeric vector

prev.guess2

a numeric vector

time_to_next

a numeric vector

dx_to_next

a numeric vector

dy_to_next

a numeric vector

date_as_sec

a numeric vector

Source

Espinoza, Mario, Farrugia, Thomas J., and Christopher G. Lowe. Habitat use, movements and site fidelity of the gray smooth-hound shark in a newly restored Southern California estuary. Journal of Experimental Marine Biology and Ecology, 2011.

Examples

##stored as separate integer and numeric variables for storage purposes

data(shark_data_raw, package="animalEKF")
shark_data <- do.call(cbind, shark_data_raw)
head(shark_data)