xytb is a trajectory object with observed behaviour
desc
a character vector. A description of the data.
xyt
a data frame of the track information. One row is one position described by 11 variables :
id: | individual id |
t: | time in POSIXct |
x: | longitude |
y: | latitude |
dt: | time (s) between the current location and the next one |
dist: | distance (m) between the current location and the next one calculated using the Vincenty ellipsoid method. See distVincentyEllipsoid) |
v: | speed (m.s^-1) |
dx: | the increase of the move in the x direction. |
dy: | the increase of the move in the y direction. |
theta: | the angle between each move and the x axis. |
thetarel: | the turning angle between successive moves. |
This slot is very similar to the ltraj class of the adehabitatLT package.
b
a data frame of the observed behaviour related to the track. One row is one behavioural observation related to the track described by 3 variables:
id: | individual id |
t: | time in POSIXct |
b: | observed behaviour (character) |
dxyt
a data frame of the derived variables from the track.
befdxyt
a data frame of the derived variables shifted back in time.
model
a randomForest model (see randomForest).
rfcv
the output of the cross-validation procedure (see rfcv).
predb
a data frame of the predicted behaviour using the random forest model of the slot model. 3 variables :
id: | individual id |
t: | time in POSIXct |
b: | observed behaviour (character) |
Laurent Dubroca
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