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NEWS
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RRreg 0.7.5 (November 2022)
===========
* new function anova.RRlog() for likelihood ratio tests (LRT) of RRlog models
* added logLik to RRuni() models
* improved vignettes
* clean styling of R code
RRreg 0.7.3 (September 2021)
===========
* bugfix: use "role" instead of "rol" in description
RRreg 0.7.2 (August 2021)
===========
* bugfix: add rmarkdown to dependencies
RRreg 0.7.1 (December 2019)
===========
* Bug fixes for issues concerning class(matrix(...)) in R 4.0.0
RRreg 0.7.0 (August 2018)
===========
* Bugfix for likelihood ratio test (LRT) in RRlog: refitting nested model if
difference between Wald's-Chi^2 and LRT-Chi^2 is larger than one.
* Improved documentation of summary output for RRlog
RRreg 0.6.9 (July 2018)
===========
* Bugfixes and consistent behavior of predict.RRlog() for the argument:
type=c("link", "response", "attribute")
* Bugfix for plot.RRlog and possibility to use type=c("link", "response", "attribute")
RRreg 0.6.8 (June 2018)
===========
* Citation updated: Heck, D. W., & Moshagen, M. (2018). RRreg: An R package for
correlation and regression analyses of randomized response data. Journal of
Statistical Software, 85 (2), 1-29. doi: 10.18637/jss.v085.i02
RRreg 0.6.6 (March 2018)
===========
* Bugfixes in predict.RRlog()
RRreg 0.6.5 (February 2018)
===========
* Improved stability of RRmixed(): Better starting values and estimation options
RRreg 0.6.3 (July 2017)
===========
* Fixed estimated standard error of univariate prevalence estimates (deviding by n-1 instead of n)
* Fixed univariate estimates for Kuk's method
RRreg 0.6.2 (March 2017)
===========
* New RR Model: Triangular Model
* Fixed image links in vignette
* Selective import of package functions
* Updated email address
* Updated vignette
RRreg 0.6.0 (December 2015)
===========
* Bug fixes for RRsimu and RRuni
RRreg 0.5.0 (November 2015)
===========
* New function RRmixed() to fit logistic RR regressions with mixed effects
(random slope/intercept in hierarchical models) using RR data based on lme4
* New function getPW() to get misclassification matrices for the implemented RR designs
* New data set 'minarets' for demonstration (type: data(minarets) )
* Proper maximization in RRuni() to get ML estimates (instead of moment estimates)
* Possibility to use a "custom"" RR misclassification matrix in RRuni, RRgen, and RRlog
RRreg 0.4.1 (July 2015)
===========
* New function plot.RRlog to plot predictions and confidence interval for a logistic RR regression
* Bugfix in predict.RRlog
* Random starting values in RRlog for fit.n=1
* Updated dependencies
RRreg 0.3.0 (February 2015)
===========
* Logistic regression in RRlog now uses a combination of EM algorithm and
gradient-based optimization (previously, only optim was used)
* Compute predicted values (incl. SE and CI) for logistic RR regression by predict.RRlog
* Bugfixes in RRlin for multiple nonRR predictors and infinite log-likelihood
* More detailed documentation (specification of p in RRuni, available models for RRlin)
RRreg 0.2.0 (November 2014)
===========
* new function powerplot() to plot power of the three implemented multivariate RR methods
* bootstrapped p-values in RRcor and correlations bound to [-1,1]
* random starting values and repeated optimization in RRlin
* RRsimu: increased stability; RRlin included; generating data for RRcor and RRlog separately; estimation of power
* continuous mixture RR models: "mix.norm" and "mix.exp" added to RRgen, RRuni, and RRcor, "mix.unknown" added to RRuni and RRcor
RRreg 0.1.3 (September 2014)
===========
* first stable release of RRreg
* data generation: RRgen, RRsimu
* statistical analysis: RRuni, RRlog, RRcor, RRlin
* one-group RR designs: Warner, Kuk, Mangat, FR, Crosswise UQTknown
* two-group RR designs: UQTunknown, CDM, CDMsym, SLD