2014-11-26

  New function "occurrence" to estimate occurrence distributions
  "akde" & "occurrence" class objects generalized to "UD" class
  alpha & alpha.HR arguments simplified and generalized to level & level.UD
  AKDE= and *.HR= arguments generalized to UD= and *.UD=

  New basic telemetry error functionality in ctmm, ctmm.fit

  New function ctmm.select

  New function subset.telemetry

  Fixed a bug in the uncertainty report of uncorrelated processes
  
  ctmm.fit is now much faster by specifying a reasonable parscale for optim 
  
  ctmm.fit now has a backup for when Brent fails

2015-10-13

  Fixed a rare condition in ctmm.fit where solve would fail on correlated errors

  Multiscale variogram and mean variogram example in vignette

  New data example Mongolian gazelle

  new fast option for periodogram
  
  improvements in plot.periodogram

  bugfix in as.telemetry for numeric indentifiers

  bugfix in dt array option of variogram
  
  new resolution option and better estimation algorithms in akde
  
  alpha, alpha.HR, res arguments made consistent across all functions

2015-08-25

  efficiency gains in as.telemetry with multiple animals

  bugfix in plot.telemetry for multiple Gaussian PDFs

  bugfix in variogram for rare condition when fast=TRUE

2015-07-27

  CRAN check compliance achieved.
  
  All methods (plot, mean, summary, simulate) can and must be run without class extensions.
  
  Argument names no longer clash with function names and are more explicit about their object class.

2015-07-17

  Export bugfixes

2015-07-14

  IOU bug fixes in ctmm.fit and plot.variogram
  
2015-06-28

  Cleaned up and labeled tau parameter arrays

  Implemented Workaround for when subset demotes S4 objects to S3 objects

  plot.telemetry now enforces asp=1 even with xlim/ylim arguments

2015-06-19

  New function summary.telemetry

  Bugfix in as.telemetry for data$t
  
  Bugfix in ctmm.loglike for some cases with numeric underflow

  periodogram and plot.periodogram can now check for spurious periodicities
  
  Minimal support for BM and IOU motion

2015-05-21

  New functions periodogram, plot.periodogram

2015-05-08

  New function SpatialPoints.telemetry returns SpatialPoints object from telemetry data

  New function SpatialPolygonsDataFrame.akde returns akde home-range contour SpatialPolygons objects from akde object

  New function writeShapefile.akde writes akde home-range contours to ESRI shapefile

  New function raster.akde returns akde pdf raster object

  New function summary.akde returns HR area of AKDE

  Fixed bad CI in plot.telemetry model option

  as.telemetry now takes a timezone argument for as.POSIXct and defaults to UTC

  telemetry, ctmm, and akde objects now have idenification and projection information slotted, with consistent naming throughout

2015-04-27
  
  Vignettes "variogram" and "akde"

  New function as.telemetry imports MoveBank formatted csv data and returns telemetry objects

  New function variogram.zoom plots a variogram with zoom slider

  variogram.fit and variogram.zoom default to a logarithmic-scale zoom slider, which requires much less fiddling

  plot.variogram now takes multiple variogram, model, and color options

  plot.telemetry now takes multiple data, model, akde, and color options

  plot.telemetry can now make probability density plots for both Gaussian model and akde data

  ctmm.fit no longer screws up results with initial sigma guesstimates. ML parameter estimates now match closely with published Mathematica results. CIs are improved.

  ks-package was producing incorrect home-range contours and has been replaced with custom code. ML home ranges now match published Mathematica results. CIs should be improved.