seal {argosfilter} | R Documentation |
Satellite tracking data from a ringed seal
Description
Satellite tracking data from a ringed seal tagged in Svalbard, Norway.
Data were provided by C. Lydersen and K. M. Kovacs (Norwegian Polar Institute).
Usage
data(seal)
Format
A data frame with 1561 observations on the following 4 variables.
dtime
- a vector of class POSIXt with date and time for each location
lat
- a numeric vector with latitudes, in decimal degrees
lon
- a numeric vector with longitudes, in decimal degrees
lc
- a numeric vector with location classes LC (-9 refers to LC Z, -2 to LC B and -1 to LC A)
Examples
data(seal)
lat<-seal$lat
lon<-seal$lon
# plot unfiltered data
plot(lon,lat)
[Package
argosfilter version 0.6
Index]