virtualspecies v1.6 (Release date: 2023-09-26)
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Changes:
* MAJOR CHANGE: virtualspecies was ported to terra and sf, and no longer makes 
use of raster, sp, and rworldmap


virtualspecies v1.5.1 (Release date: 2019-12-12)
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Changes:
* Internal changes for compatibility with the upcoming R 4.0.0 version

virtualspecies v1.5 (Release date: 2019-04-30)
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Changes:

* MAJOR CHANGE: in function convertToPA, for probabilistic conversions, 
the output now includes the probability of occurrence raster. This probability
of occurrence corresponds to the environmental suitability modified by the 
probabilistic conversion method used to draw presences and absences.
* MAJOR CHANGE: the function convertToPA now includes a linear method for the
probabilistic conversion. The linear conversion can be performed manually (e.g.,
provide slope and intercept) or automatically to fit the chosen prevalence.
* Added the function "plotSuitabilityToProba" which plots the shape of the 
function used to transform environmental suitability into probability of 
ocurrence.
* Added a series of messages when running generateSpFromFun to inform users about
the default behaviour of the function (i.e., it rescales all responses between 0 
and 1 by default).
* Added the possibility to extract true probability of occurrence in
sampleOccurrences



virtualspecies v1.4-5 (Release date: 2018-10-08)
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Changes:

* Fixed several typos
* Added occurrence type in sampleOccurrences
* Improved print generic for sampleOccurrences outputs

virtualspecies v1.4-4 (Release date: 2018-09-10)
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Changes:

* Modified function sampleOccurrences (more features, better output)
* Added new generic print / str functions for sampleOccurrences outputs
* Improvements to generateSpFromBCA()
* Fixed a bug in convertToPA() where the generation of low prevalence species would generate warnings and sometimes fail to obtain a proper beta threshold

virtualspecies v1.4-1 (Release date: 2016-12-22)
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Changes:

* Added the possibility to use a raster of habitat patches in limitDistributions()
* Added the long overdue compatibility with new CRAN policies of imports/dependencies
* Updated and fixed generateSpFromBCA()
* Added NEWS file

virtualspecies v1.4 (Release date: 2016-11-07)
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Changes:

* Included the ability to choose any axis for the generateSpFromPCA approach
* Updated all the other functions accordingly
* Minor fixes

virtualspecies v1.3-4 (Release date: 2016-06-27)
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Changes:

* Fixed an issue with generateRandomSp() that caused compatibility problems with other functions
* Minor fix to convertToPA() to better adjust the results to desired prevalence


virtualspecies v1.3-3 (Release date: 2016-02-19)
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Changes:

* Fixed a bug in convertToPA & limitDistribution with raster detection


virtualspecies v1.3-2 (Release date: 2016-09-30)
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Changes:

* correction to the description of the beta function
* changed stops to warning in the convertToPA function

virtualspecies v1.2 (Release date: 2015-08-10)
==============

Changes:

* added function generateSpFromBCA (thanks Robin Delsol), which allows to generate a species between two different sets of environmental conditions, e.g. to compare current vs. future conditions. Useful for testing the effects of no-analog climates

