I am the walrus

Finally a built-in data set!

trip VERSION 1.1-20

CHANGES IN trip VERSION 1.1-20

o rasterize for trip can now accept a 'field' argument to replace the default
time-spent calculation

o trip now Imports raster, for use of rasterize to replace tripGrid

o new function homedist

o bug fix via complete rewrite of cut.trip, including modification of argument name "dates" to "breaks"

o modified example with missing +ellps to satisfy new PROJ.4 (thanks to Roger Bivand)

Urgent bug fix

CHANGES IN trip VERSION 1.1-19

o urgent bug fix release for trackDistance

o Package Title Gets Title Case

Explode

o readArgos is now significantly faster and more reliable

o new function explode to convert to a SpatialLinesDataFrame with
line segments for every individual time step

o trackAngle is now generic with methods for trip objects and matrix/es