NEWS

hab 1.20.4
==========

BUGS

* Fixed NAMESPACE: adehabitatLT and adehabitatHR are now completely
  imported; no need for `adehabitatLT::id` for example.


hab 1.20.3
==========

ENHANCEMENT

* `closest`: Argument `ref` to compute distances from the start or the
  end of the step.


hab 1.20.2
==========

ENHANCEMENTS

* `makeSeq`: now works on a ltraj object + argument `na.omit` to
  remove missing locations to form the sequence.


hab 1.20.1
==========

ENHANCEMENTS

* `closest`: Minor changes in `closest` (no warnings, documentation).

* `infolocs`: `by` replaces `perani` (by burst, id or none) + updated
  examples.


hab 1.20
========

NEW FEATURE

* `closest`: Find closest relocation from ltraj objects.


hab 1.19.3
==========

BUGS

* Fixed namespace for `kfold` and `QIC`.


hab 1.19.2
==========

ENHANCEMENT

* `plot.ltraj`: New argument `by` that replaces `perani`, and allows the plot of all bursts at once.


hab 1.19.1
==========

BUGS

* `trajdyn`: Use of 'adehabitatLT::id' to avoid conflicts with other packages.


hab 1.19
========

NEW FEATURE

* `makeSeq`: Define sequences of a trajectory.


hab 1.18
========

NEW FEATURE

* `rdSteps`: New argument `strata` to define strata names.

* `rdSteps`: New argument `mask` to redraw steps that end outside of a
 polygon.


hab 1.17
========

NEW FEATURE

* `rdSteps`: New argument `rand.dis` to explicitly provide random distributions for step lengths and turning angles.


hab 1.16
========

NEW FEATURE

* `rdSteps`: Draw random steps.


hab 1.15
========

NEW FEATURE

* `na.omit.ltraj`: Argument `complete.steps` to keep only complete steps,
  i.e. steps characterized by start and end points, with turning angle
  (i.e. relative angle to the previous step).

BUG FIX

* Fixed namespaces and S3 methods.

* `trajdyn`: Fixed example.


hab 1.14
========

NEW FEATURE

* `subset`: Subsetting a ltraj

BUG FIX

* `rec`: Throws an error if the \code{row.names} are different between the
  ltraj and its infolocs.

* `plot.ltraj`: Check the length of list parameters.

* `plot.ltraj`: Use of 'adehabitatLT::id' to avoid conflicts.

* `plot.ltraj`: Fixed bug on the use of `perani`.

* `plot.ltraj`: Fixed row names in example.


hab 1.13
========

NEW FEATURE

* `trajdyn`: New parameter `addvec` to hihglight the current location, the
  current step or nothing.

BUG FIX

* `trajdyn`: Individual point/line parameters are changed when the burst is
  changed (Linux only).


hab 1.12
========

NEW FEATURES

* `na.omit.ltraj`: Handle Missing Values in Objects of Class 'ltraj'

* `infolocs`: Allows to simplify 1 column data frames into vectors

* `infolocs`: Returns one element per burst or per animal

* `plot.ltraj`: Give control over the removal of missing locations
  (paramter `na.rm`)

* `plot.ltraj`: Allows to have individual point parameters, using nested
  lists in `ppar`

* `plot.ltraj`: Allows to have individual step parameters, using nested
  lists in `lpar`

* `trajdyn`: Give control over the removal of missing locations (paramter
  `na.rm`)

* `trajdyn`: Allows to have individual point parameters, using nested lists
  in `ppar`

* `trajdyn`: Allows to have individual step parameters, using nested lists
  in `lpar`

BUG FIXES

* `plot.ltraj` + `ld`: Changed id() to adehabitatLT::id() to avoid
  ambiguity

* `plot.ltraj`: `perani` is now set to FALSE by default, using burst as the
  basic bloc

* `plot.ltraj`: parameters now use `id = unique(adehabitatLT::id(x)), burst
    = adehabitatLT::burst(x)` (does not change behavior)

* `infolocs`: Now returns a list with id/burst as names

* `trajdyn`: Bug with 's'how when only 1 variable in infolocs


hab 1.11
========

NEW FEATURE

* `rec`: Modified version of `rec` that keeps the original
 `row.names`.

* `trajdyn`: If a `nvar` is requested, now returns the original
  `ltraj` with updated values in `infolocs(nvar)`.

* `trajdyn`: Allows to show the current step as a vector (key 'v').


hab 1.10.1
==========

NEW FEATURE

* `trajdyn`: Show the current burst/loc/(infolocs)

BUG FIX

* `trajdyn`: Fixed problem when using `nvar` on several bursts.


hab 1.10
========

NEW FEATURE

* `infolocs`: Modified version of `infolocs` that returns `NULL` if
 `infolocs` exists, but `which` is not a colum of it (fixes a bug in
 `trajdyn` when `infolocs` exists but `nvar` is not in it).

BUG FIX

* `trajdyn`: Fixed problem when using `nvar` and row.names are
  different than 1:nrow.


hab 1.9.3
=========

NEW FEATURE

* `trajdyn`: New argument `by` to modify the number of previous
  points/steps incremented at each step.

BUG FIX

* `trajdyn`: corrects bug when a `nvar` is requested and
  infolocs(ltraj) is NULL.


hab 1.9.2
=========

NEW FEATURES

* `plot.ltraj`: New arguments `spotdf` to plot a SpatialPoints in the
  background, and `center` to center each plot around the current
  burst (default is the same xlim/ylim for each burst).

* `trajdyn`: New argument `only` to display k previous points/steps.

* `trajdyn`: Allow user to modify point and line display.

BUG FIX

* `trajdyn`:`nvar` is retrieved from `infolocs` if it exists.


hab 1.9.1
=========

BUG FIX

* `plot.ltraj`: Allow user-defined margins when `length(id) == 1`
  (`plot.ltraj` can now be used in `trajdyn`).


hab 1.9
=======

NEW FEATURES

* `trajdyn`: Modified version of `trajdyn`, which allows to store
  interactively a new variable `nvar` (for instance to be used later
  in `infolocs`).


hab 1.8
=======

NEW FEATURES

* `kerneloverlap`: Modified version of `kerneloverlap` which now
  allows to select several methods at once, and works on
  `SpatialPointsDataFrame` or `estUDm` in the same function.

* `kernelUD`: Modified version of `kernelUD`, which silences the use
  of `same4all` when working on a `SpatialPixels` as a `grid`.


hab 1.7
=======

NEW FEATURE

* `kfold`: Cross-validation for regression models (currently `coxph`
  and `clogit` models).


hab 1.6.1
=========

ENHANCEMENTS

* `QIC` now provides the difference with the smallest QIC, when
  several models are compared.


hab 1.6
=======

NEW FEATURE

* `lincircor` & `lincircor.test`: Linear-circular correlation.


hab 1.5
=======

NEW FEATURES

* `acf.test`: Test of autocorrelation in SSFs.

* `makeCluster`: Create independent clusters.

* `QIC` & `QIC.coxph`: QIC: Quasi-likelihood under Independence
  Criterion.

* `modWeights`: Model weights using Information Theory.


hab 1.4.1
=========

BUG FIXES

* `ltraj2sldf`: Solved a bug in the use of `format`.


hab 1.4
=======

NEW FEATURE

* `as.ltraj`: Faster version of `as.ltraj`.


hab 1.3
=======

NEW FEATURE

* `dl`: Faster version of `dl`, with argument `strict`.

ENHANCEMENTS

* `ld`, `ltraj2spdf` and `ltraj2sldf`: `mode` is replaced by `strict`,
  which defaults to `TRUE` (i.e. use regular adehabitatLT functions)
  to make sure it does not break older code.


hab 1.2
=======

ENHANCEMENTS

* `ld`: Avoid conflicts with 'id' from other packages.

* `ltraj2sldf`: New algorithm, faster and more reliable, to build
  steps.


hab 1.1
=======

NEW FEATURE

* `ld`: Faster version of `ld`, with argument `mode`.

* `ltraj2spdf`: Use now `mode == "fast"` by default.

* `ltraj2sldf`: Use now `mode == "fast"` by default + faster algorithm
  to build steps.


hab 1.0
=======

MAIN CHANGE

* change of the name, from `adehabitatLTmod` to `hab`.

NEW FEATURES

* `ltraj2spdf`: Add a `proj4string` argument, and keeps `id` and
  `burst` in the result.

* `ltraj2sldf`: Add a `proj4string` argument, and `by` is now a
  character, which accepts `id`, `burst` (default) and `step`.


adehabitatLTmod 0.3
===================

NEW FEATURES

* `plotNAltraj`: Add `perani`, `addlines`, `mfrow`, `ppar` and `lpar`
  arguments.
  
* `setNA`: Checks on `date.ref` + main function named for debugging.


adehabitatLTmod 0.2
===================

NEW FEATURES

* `plotltr`: Keep `burst` and `id` attributes in case of `infolocs`.


adehabitatLTmod 0.1
===================

NEW FEATURES

* `plot.ltraj`: Add `mfrow`, `ppar`, `lpar`, `spixdfpar` and
  `spoldfpar` arguments.

* `plotltr`: Add `perani`, `mfrow`, `ppar` and `lpar` arguments.