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# unmarked 1.4.0
* Added count-data occupancy model (occuCOP)
* Added multi-scale occupancy model (goccu)
* Added ZIP support to gdistsamp, gmultmix, and gpcount
* Fixed bug in TMB engine for occu that resulted in incorrect detection coefficient estimates when there were many interspersed NAs in the encounter history
# unmarked 1.3.3
* Increase required R version to 4.0
# unmarked 1.3.2
* Modernize some Cpp code to pass new LTO checks
# unmarked 1.3.1
* Remove log.grad function to pass CRAN checks
# unmarked 1.3.0
* Add support for terra package rasters
* Add plotEffects function for plotting marginal effects
* Better default names in fitLists
* Optional Shiny app for power analysis
* parboot now more robust to errors
* Add back temporarily removed occuMulti and colext vignettes
* Remove dependency on plyr package and move methods to imports
* Expand powerAnalysis vignette
* Many small bugfixes
# unmarked 1.2.4
* Convert vignettes to use rmarkdown
* Handle suggested packages in vignettes
* Remove occuMulti vignette due to AHMbook being temporarily off CRAN
# unmarked 1.2.3
* Add gdistremoval function to fit distance/removal models, see Amundson et al. 2014
* Add power analysis tools (powerAnalysis)
* Simulate datasets from scratch for any model type using simulate()
* Add penalized likelihood option to occuMulti, see Clipp et al. 2021
* Experimental random effects support for distsamp, multinomPois, and gdistremoval using TMB
* Improvements to predict() speed and better error messages
* Add vignettes for occuMulti, power analysis, simulation, and random effects
* Overhaul package tests and move to testthat
* New package website using pkgdown
* Move raster package from imports to suggests
* Fix assorted compilation warnings with newer versions of compilers on CRAN
* Remove call in TMB code to deprecated DOUBLE_XMIN
* Many bugfixes
# unmarked 1.1.1
* Fix address sanitizer problems with multmixOpen
# unmarked 1.1.0
* Add nmixTTD fitting function
* Add experimental random effects support and TMB engine to occu and pcount
* Add openMP support to some fitting functions (occuRN, gdistsamp, gmultmix, gpcount) for calculating likelihood in parallel
* Define STRICT_R_HEADERS in C++ code for compatibility with future Rcpp update
* Many bugfixes mainly related to predict()
# unmarked 1.0.1
* Fix LTO mismatches
* Automatically convert characters to factors in unmarkedFrames
* Many bugfixes, mainly related to predict()
# unmarked 1.0.0
* New functions 'distsampOpen' and 'multmixOpen' - open population versions of distsamp/gdistsamp and multinomPois/gmultmix
* Add 'predict' method for output from 'ranef', for generating posterior samples of the random effects and running a function on them
* Predict now correctly handles formulas containing functions and newdata with invalid factor levels
* Remove reshape2 dependency
* Bugfixes
# unmarked 0.13-1
* Fixes for compatibility with R 4.0
# unmarked 0.13-0
* New 'occuMS' function added for fitting multi-state occupancy models (single-season and dynamic)
* New 'occuTTD' function for fitting continuous time-to-detection occupancy models (single season and dynamic). Thanks to Jonathan Cohen for help with this
* New 'crossVal' function for doing cross-validation on fitted unmarked models and fitLists
* New 'vif' function for calculating variance inflation factors for fitted unmarked models
* Add ability to use complimentary-log-log link function in occu
* Add built-in dependent double observer pi function
* New C++ engines for gmultmix, gdistsamp, multinomPois, occuRN
* Approximate integrals in C++ engines with trapezoidal rule function instead of using Rdqags
* Misc minor bugfixes
# unmarked 0.12-3
* New 'occuMulti' function added by Ken Kellner
# unmarked 0.12-0
* Fixed mistake in turnover calculations in colext vignette (thanks to Giacomo Tavecchia)
* added pcount.spHDS from AHM book.
* updated predict method for pcount to include ZIP model
* Adam Smith added some parallel capabilities to the parboot functionality
* Adam Smith fixed formatMult conversion of julian date to factor
* Auriel Fournier fixed formatDistData to pad data with NA
* fixed error in obsToY for custom pi function
# unmarked 0.11-0
* Andy Royle is the new maintainer
* Added Rebecca Hutchinson's penalized likelihood function occuPEN (experimental)
* fixed bug in gmultmix to accommodate mixed sampling protocols (NA in count frequency vector is not counted in the constraint that multinomial cell probabilities sum to 1)
* Changed variable 'ufp' to 'ufc' in ovenbird data and related functions.
* Removed constraint in pcountOpen that lambdaformula==omegaformula
* Fixed bug in gdistsamp that caused error when NAs were present in half-normal model
* Fixed bug in ranef (it was giving an error message for pcountOpen with the new dynamics options (Ricker and Gompertz) and working incorrectly for pcountOpen with immigration)
* Fixed bug in pcountOpen that occurred when covariates were time varying but not varying among sites
# unmarked 0.10-6
* Fixed bug in C++ code that was causing problems on Solaris
# unmarked 0.10-5
* Added new models of population dynamics to pcountOpen. Most changes contributed by Jeff Hostetler.
# unmarked 0.10-4
* Added importFrom("plyr", "ldply") to NAMESPACE because "reshape" no longer depends on "plyr"
# unmarked 0.10-3
* RcppArmadillo was moved from "Depends" section of DESCRIPTION file to "LinkingTo"
# unmarked 0.10-2
* Thanks for Dirk Eddelbuettel for patch to deal with change in Armadillo's in-place reshape function. Serious problems might occur if you use a recent version of RcppArmadillo and an old version of unmarked.
* Dave Miller added another NA handling fix in occuFP(). I forgot to add this one in the previous version.
# unmarked 0.10-1
* Doc fixes requested by CRAN
# unmarked 0.10-0
* Fixed NA handling in occuFP()
* Fixed integration setting in C++ code that were causing segfaults when calling distsamp
* Replace raster:::layerNames() with raster:::names()
* distsamp() and gdistsamp() should be faster and more stable for some keyfun/survey combinations
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