NEWS.md
In performance: Assessment of Regression Models Performance

performance 0.12.4

check_dag() now also checks for colliders, and suggests removing it in the printed output.
Minor revisions to the printed output of check_dag().

Fixed failing tests that broke due to changes in latest glmmTMB update.

performance 0.12.3

check_dag(), to check DAGs for correct adjustment sets.

check_heterogeneity_bias() gets a nested argument. Furthermore, by can specify more than one variable, meaning that nested or cross-classified model designs can also be tested for heterogeneity bias.

performance 0.12.2

Patch release, to ensure that performance runs with older version of datawizard on Mac OSX with R (old-release).

performance 0.12.1

icc() and r2_nakagawa() get a null_model argument. This can be useful when computing R2 or ICC for mixed models, where the internal computation of the null model fails, or when you already have fit the null model and want to save time.
icc() and r2_nakagawa() get a approximation argument indicating the approximation method for the distribution-specific (residual) variance. See Nakagawa et al. 2017 for details.
icc() and r2_nakagawa() get a model_component argument indicating the component for zero-inflation or hurdle models.
performance_rmse() (resp. rmse()) can now compute analytical and bootstrapped confidence intervals. The function gains following new arguments: ci, ci_method and iterations.
New function r2_ferrari() to compute Ferrari & Cribari-Neto's R2 for generalized linear models, in particular beta-regression.
Improved documentation of some functions.

Fixed issue in check_model() when model contained a transformed response variable that was named like a valid R function name (e.g., lm(log(lapply) ~ x), when data contained a variable named lapply).
Fixed issue in check_predictions() for linear models when response was transformed as ratio (e.g. lm(succes/trials ~ x)).
Fixed issue in r2_bayes() for mixed models from rstanarm.

performance 0.12.0

Aliases posterior_predictive_check() and check_posterior_predictions() for check_predictions() are deprecated.
Arguments named group or group_by will be deprecated in a future release. Please use by instead. This affects check_heterogeneity_bias() in performance.

Improved documentation and new vignettes added.
check_model() gets a base_size argument, to set the base font size for plots.
check_predictions() for stanreg and brmsfit models now returns plots in the usual style as for other models and no longer returns plots from bayesplot::pp_check().
Updated the trained model that is used to prediction distributions in check_distribution().

check_model() now falls back on normal Q-Q plots when a model is not supported by the DHARMa package and simulated residuals cannot be calculated.

performance 0.11.0

Rudimentary support for models of class serp from package serp.

simulate_residuals() and check_residuals(), to simulate and check residuals from generalized linear (mixed) models. Simulating residuals is based on the DHARMa package, and objects returned by simulate_residuals() inherit from the DHARMa class, and thus can be used with any functions from the DHARMa package. However, there are also implementations in the performance package, such as check_overdispersion(), check_zeroinflation(), check_outliers() or check_model().
Plots for check_model() have been improved. The Q-Q plots are now based on simulated residuals from the DHARMa package for non-Gaussian models, thus providing more accurate and informative plots. The half-normal QQ plot for generalized linear models can still be obtained by setting the new argument residual_type = "normal".
Following functions now support simulated residuals (from simulate_residuals()) resp. objects returned from DHARMa::simulateResiduals():
check_overdispersion()
check_zeroinflation()
check_outliers()
check_model()

Improved error messages for check_model() when QQ-plots cannot be created.
check_distribution() is more stable for possibly sparse data.

Fixed issue in check_normality() for t-tests.
Fixed issue in check_itemscale() for data frame inputs, when factor_index was not a named vector.

performance 0.10.9

r2() for models of class glmmTMB without random effects now returns the correct r-squared value for non-mixed models.
check_itemscale() now also accepts data frames as input. In this case, factor_index must be specified, which must be a numeric vector of same length as number of columns in x, where each element is the index of the factor to which the respective column in x.
check_itemscale() gets a print_html() method.
Clarification in the documentation of the estimator argument for performance_aic().
Improved plots for overdispersion-checks for negative-binomial models from package glmmTMB (affects check_overdispersion() and check_model()).
Improved detection rates for singularity in check_singularity() for models from package glmmTMB.
For model of class glmmTMB, deviance residuals are now used in the check_model() plot.
Improved (better to understand) error messages for check_model(), check_collinearity() and check_outliers() for models with non-numeric response variables.
r2_kullback() now gives an informative error for non-supported models.

Fixed issue in binned_residuals() for models with binary outcome, where in rare occasions empty bins could occur.
performance_score() should no longer fail for models where scoring rules can't be calculated. Instead, an informative message is returned.
check_outliers() now properly accept the percentage_central argument when using the "mcd" method.
Fixed edge cases in check_collinearity() and check_outliers() for models with response variables of classes Date, POSIXct, POSIXlt or difftime.
Fixed issue with check_model() for models of package quantreg.

performance 0.10.8

Changed behaviour of check_predictions() for models from binomial family, to get comparable plots for different ways of outcome specification. Now, if the outcome is a proportion, or defined as matrix of trials and successes, the produced plots are the same (because the models should be the same, too).

Fixed CRAN check errors.
Fixed issue with binned_residuals() for models with binomial family, where the outcome was a proportion.

performance 0.10.7

binned_residuals() gains a few new arguments to control the residuals used for the test, as well as different options to calculate confidence intervals (namely, ci_type, residuals, ci and iterations). The default values to compute binned residuals have changed. Default residuals are now "deviance" residuals (and no longer "response" residuals). Default confidence intervals are now "exact" intervals (and no longer based on Gaussian approximation). Use ci_type = "gaussian" and residuals = "response" to get the old defaults.

binned_residuals() - like check_model() - gains a show_dots argument to show or hide data points that lie inside error bounds. This is particular useful for models with many observations, where generating the plot would be very slow.

performance 0.10.6

Support for nestedLogit models.

check_outliers() for method "ics" now detects number of available cores for parallel computing via the "mc.cores" option. This is more robust than the previous method, which used parallel::detectCores(). Now you should set the number of cores via options(mc.cores = 4).

Fixed issues is check_model() for models that used data sets with variables of class "haven_labelled".

performance 0.10.5

More informative message for test_*() functions that "nesting" only refers to fixed effects parameters and currently ignores random effects when detecting nested models.
check_outliers() for "ICS" method is now more stable and less likely to fail.
check_convergence() now works for parsnip _glm models.

check_collinearity() did not work for hurdle- or zero-inflated models of package pscl when model had no explicitly defined formula for the zero-inflation model.

performance 0.10.4

icc() and r2_nakagawa() gain a ci_method argument, to either calculate confidence intervals using boot::boot() (instead of lmer::bootMer()) when ci_method = "boot" or analytical confidence intervals (ci_method = "analytical"). Use ci_method = "boot" when the default method fails to compute confidence intervals and use ci_method = "analytical" if bootstrapped intervals cannot be calculated at all. Note that the default computation method is preferred.
check_predictions() accepts a bandwidth argument (smoothing bandwidth), which is passed down to the plot() methods density-estimation.
check_predictions() gains a type argument, which is passed down to the plot() method to change plot-type (density or discrete dots/intervals). By default, type is set to "default" for models without discrete outcomes, and else type = "discrete_interval".
performance_accuracy() now includes confidence intervals, and reports those by default (the standard error is no longer reported, but still included).

Fixed issue in check_collinearity() for fixest models that used i() to create interactions in formulas.

performance 0.10.3

item_discrimination(), to calculate the discrimination of a scale's items.

model_performance(), check_overdispersion(), check_outliers() and r2() now work with objects of class fixest_multi (@etiennebacher, #554).
model_performance() can now return the "Weak instruments" statistic and p-value for models of class ivreg with metrics = "weak_instruments" (@etiennebacher, #560).
Support for mclogit models.

test_*() functions now automatically fit a null-model when only one model objects was provided for testing multiple models.
Warnings in model_performance() for unsupported objects of class BFBayesFactor can now be suppressed with verbose = FALSE.
check_predictions() no longer fails with issues when re_formula = NULL for mixed models, but instead gives a warning and tries to compute posterior predictive checks with re_formuka = NA.
check_outliers() now also works for meta-analysis models from packages metafor and meta.
plot() for performance::check_model() no longer produces a normal QQ plot for GLMs. Instead, it now shows a half-normal QQ plot of the absolute value of the standardized deviance residuals.

Fixed issue in print() method for check_collinearity(), which could mix up the correct order of parameters.

performance 0.10.2

Revised usage of insight::get_data() to meet forthcoming changes in the insight package.

check_collinearity() now accepts NULL for the ci argument.

Fixed issue in item_difficulty() with detecting the maximum values of an item set. Furthermore, item_difficulty() gets a maximum_value argument in case no item contains the maximum value due to missings.

performance 0.10.1

Minor improvements to the documentation.

icc() and r2_nakagawa() get ci and iterations arguments, to compute confidence intervals for the ICC resp. R2, based on bootstrapped sampling.
r2() gets ci, to compute (analytical) confidence intervals for the R2.
The model underlying check_distribution() was now also trained to detect cauchy, half-cauchy and inverse-gamma distributions.
model_performance() now allows to include the ICC for Bayesian models.

verbose didn't work for r2_bayes() with BFBayesFactor objects.
Fixed issues in check_model() for models with convergence issues that lead to NA values in residuals.
Fixed bug in check_outliers whereby passing multiple elements to the threshold list generated an error (#496).
test_wald() now warns the user about inappropriate F test and calls test_likelihoodratio() for binomial models.
Fixed edge case for usage of parellel::detectCores() in check_outliers().

performance 0.10.0

The minimum needed R version has been bumped to 3.6.
The alias performance_lrt() was removed. Use test_lrt() resp. test_likelihoodratio().

Following functions were moved from package parameters to performance: check_sphericity_bartlett(), check_kmo(), check_factorstructure() and check_clusterstructure().

check_normality(), check_homogeneity() and check_symmetry() now works for htest objects.
Print method for check_outliers() changed significantly: now states the methods, thresholds, and variables used, reports outliers per variable (for univariate methods) as well as any observation flagged for several variables/methods. Includes a new optional ID argument to add along the row number in the output (@rempsyc #443).
check_outliers() now uses more conventional outlier thresholds. The IQR and confidence interval methods now gain improved distance scores that are continuous instead of discrete.

Fixed wrong z-score values when using a vector instead of a data frame in check_outliers() (#476).
Fixed cronbachs_alpha() for objects from parameters::principal_component().

performance 0.9.2

print() methods for model_performance() and compare_performance() get a layout argument, which can be "horizontal" (default) or "vertical", to switch the layout of the printed table.
Improved speed performance for check_model() and some other performance_*() functions.
Improved support for models of class geeglm.

check_model() gains a show_dots argument, to show or hide data points. This is particular useful for models with many observations, where generating the plot would be very slow.

Fixes wrong column names in model_performance() output for kmeans objects (#453)

performance 0.9.1

The formerly "conditional" ICC in icc() is now named "unadjusted" ICC.

performance_cv() for cross-validated model performance.

Added support for models from package estimator.

check_overdispersion() gets a plot() method.
check_outliers() now also works for models of classes gls and lme. As a consequence, check_model() will no longer fail for these models.
check_collinearity() now includes the confidence intervals for the VIFs and tolerance values.
model_performance() now also includes within-subject R2 measures, where applicable.
Improved handling of random effects in check_normality() (i.e. when argument effects = "random").

check_predictions() did not work for GLMs with matrix-response.
check_predictions() did not work for logistic regression models (i.e. models with binary response) from package glmmTMB
item_split_half() did not work when the input data frame or matrix only contained two columns.
Fixed wrong computation of BIC in model_performance() when models had transformed response values.
Fixed issues in check_model() for GLMs with matrix-response.

performance 0.9.0

check_concurvity(), which returns GAM concurvity measures (comparable to collinearity checks).

check_predictions(), check_collinearity() and check_outliers() now support (mixed) regression models from BayesFactor.
check_zeroinflation() now also works for lme4::glmer.nb() models.
check_collinearity() better supports GAM models.

test_performance() now calls test_lrt() or test_wald() instead of test_vuong() when package CompQuadForm is missing.
test_performance() and test_lrt() now compute the corrected log-likelihood when models with transformed response variables (such as log- or sqrt-transformations) are passed to the functions.

performance_aic() now corrects the AIC value for models with transformed response variables. This also means that comparing models using compare_performance() allows comparisons of AIC values for models with and without transformed response variables.
Also, model_performance() now corrects both AIC and BIC values for models with transformed response variables.

The print() method for binned_residuals() now prints a short summary of the results (and no longer generates a plot). A plot() method was added to generate plots.
The plot() output for check_model() was revised:
For binomial models, the constant variance plot was omitted, and a binned residuals plot included.
The density-plot that showed normality of residuals was replaced by the posterior predictive check plot.

model_performance() for models from lme4 did not report AICc when requested.
r2_nakagawa() messed up order of group levels when by_group was TRUE.

performance 0.8.0

The ci-level in r2() for Bayesian models now defaults to 0.95, to be in line with the latest changes in the bayestestR package.
S3-method dispatch for pp_check() was revised, to avoid problems with the bayesplot package, where the generic is located.

Minor revisions to wording for messages from some of the check-functions.
posterior_predictive_check() and check_predictions() were added as aliases for pp_check().

check_multimodal() and check_heterogeneity_bias(). These functions will be removed from the parameters packages in the future.

r2() for linear models can now compute confidence intervals, via the ci argument.

Fixed issues in check_model() for Bayesian models.
Fixed issue in pp_check() for models with transformed response variables, so now predictions and observed response values are on the same (transformed) scale.

performance 0.7.3

check_outliers() has new ci (or hdi, eti) method to filter based on Confidence/Credible intervals.
compare_performance() now also accepts a list of model objects.
performance_roc() now also works for binomial models from other classes than glm.
Several functions, like icc() or r2_nakagawa(), now have an as.data.frame() method.
check_collinearity() now correctly handles objects from forthcoming afex update.

performance 0.7.2

performance_mae() to calculate the mean absolute error.

Fixed issue with "data length differs from size of matrix" warnings in examples in forthcoming R 4.2.
Fixed issue in check_normality() for models with sample size larger than

5.000 observations.

Fixed issue in check_model() for glmmTMB models.
Fixed issue in check_collinearity() for glmmTMB models with zero-inflation, where the zero-inflated model was an intercept-only model.

performance 0.7.1

Add support for model_fit (tidymodels).
model_performance supports kmeans models.

Give more informative warning when r2_bayes() for BFBayesFactor objects can't be calculated.
Several check_*() functions now return informative messages for invalid model types as input.
r2() supports mhurdle (mhurdle) models.
Added print() methods for more classes of r2().
The performance_roc() and performance_accuracy() functions unfortunately had spelling mistakes in the output columns: Sensitivity was called Sensivity and Specificity was called Specifity. We think these are understandable mistakes :-)

`check_model()`

check_model() gains more arguments, to customize plot appearance.
Added option to detrend QQ/PP plots in check_model().

`model_performance()`

The metrics argument from model_performance() and compare_performance() gains a "AICc" option, to also compute the 2nd order AIC.
"R2_adj" is now an explicit option in the metrics argument from model_performance() and compare_performance().

The default-method for r2() now tries to compute an r-squared for all models that have no specific r2()-method yet, by using following formula: 1-sum((y-y_hat)^2)/sum((y-y_bar)^2))
The column name Parameter in check_collinearity() is now more appropriately named Term.

test_likelihoodratio() now correctly sorts models with identical fixed effects part, but different other model parts (like zero-inflation).
Fixed incorrect computation of models from inverse-Gaussian families, or Gaussian families fitted with glm().
Fixed issue in performance_roc() for models where outcome was not 0/1 coded.
Fixed issue in performance_accuracy() for logistic regression models when method = "boot".
cronbachs_alpha() did not work for matrix-objects, as stated in the docs. It now does.

performance 0.7.0

Roll-back R dependency to R >= 3.4.

compare_performance() doesn't return the models' Bayes Factors, now returned by test_performance() and test_bf().

test_vuong(), to compare models using Vuong's (1989) Test.
test_bf(), to compare models using Bayes factors.
test_likelihoodratio() as an alias for performance_lrt().
test_wald(), as a rough approximation for the LRT.
test_performance(), to run the most relevant and appropriate tests based on the input.

`performance_lrt()`

performance_lrt() get an alias test_likelihoodratio().
Does not return AIC/BIC now (as they are not related to LRT per se and can be easily obtained with other functions).
Now contains a column with the difference in degrees of freedom between models.
Fixed column names for consistency.

`model_performance()`

Added more diagnostics to models of class ivreg.

Revised computation of performance_mse(), to ensure that it's always based on response residuals.
performance_aic() is now more robust.

Fixed issue in icc() and variance_decomposition() for multivariate response models, where not all model parts contained random effects.
Fixed issue in compare_performance() with duplicated rows.
check_collinearity() no longer breaks for models with rank deficient model matrix, but gives a warning instead.
Fixed issue in check_homogeneity() for method = "auto", which wrongly tested the response variable, not the residuals.
Fixed issue in check_homogeneity() for edge cases where predictor had non-syntactic names.

performance 0.6.1

check_collinearity() gains a verbose argument, to toggle warnings and messages.

Fixed examples, now using suggested packages only conditionally.

performance 0.6.0

model_performance() now supports margins, gamlss, stanmvreg and semLme.

r2_somers(), to compute Somers' Dxy rank-correlation as R2-measure for logistic regression models.
display(), to print output from package-functions into different formats. print_md() is an alias for display(format = "markdown").

`model_performance()`

model_performance() is now more robust and doesn't fail if an index could not be computed. Instead, it returns all indices that were possible to calculate.
model_performance() gains a default-method that catches all model objects not previously supported. If model object is also not supported by the default-method, a warning is given.
model_performance() for metafor-models now includes the degrees of freedom for Cochran's Q.

performance_mse() and performance_rmse() now always try to return the (R)MSE on the response scale.
performance_accuracy() now accepts all types of linear or logistic regression models, even if these are not of class lm or glm.
performance_roc() now accepts all types of logistic regression models, even if these are not of class glm.
r2() for mixed models and r2_nakagawa() gain a tolerance-argument, to set the tolerance level for singularity checks when computing random effect variances for the conditional r-squared.

Fixed issue in icc() introduced in the last update that make lme-models fail.
Fixed issue in performance_roc() for models with factors as response.

performance 0.5.1

Column names for model_performance() and compare_performance() were changed to be in line with the easystats naming convention: LOGLOSS is now Log_loss, SCORE_LOG is Score_log and SCORE_SPHERICAL is now Score_spherical.

r2_posterior() for Bayesian models to obtain posterior distributions of R-squared.

r2_bayes() works with Bayesian models from BayesFactor ( #143 ).
model_performance() works with Bayesian models from BayesFactor ( #150 ).
model_performance() now also includes the residual standard deviation.
Improved formatting for Bayes factors in compare_performance().
compare_performance() with rank = TRUE doesn't use the BF values when BIC are present, to prevent "double-dipping" of the BIC values (#144).
The method argument in check_homogeneity() gains a "levene" option, to use Levene's Test for homogeneity.

Fix bug in compare_performance() when ... arguments were function calls to regression objects, instead of direct function calls.

performance 0.5.0

r2() and icc() support semLME models (package smicd).
check_heteroscedasticity() should now also work with zero-inflated mixed models from glmmTMB and GLMMadpative.
check_outliers() now returns a logical vector. Original numerical vector is still accessible via as.numeric().

pp_check() to compute posterior predictive checks for frequentist models.

Fixed issue with incorrect labeling of groups from icc() when by_group = TRUE.
Fixed issue in check_heteroscedasticity() for mixed models where sigma could not be calculated in a straightforward way.
Fixed issues in check_zeroinflation() for MASS::glm.nb().
Fixed CRAN check issues.

performance 0.4.8

Removed suggested packages that have been removed from CRAN.

icc() now also computes a "classical" ICC for brmsfit models. The former way of calculating an "ICC" for brmsfit models is now available as new function called variance_decomposition().

Fix issue with new version of bigutilsr for check_outliers().
Fix issue with model order in performance_lrt().

performance 0.4.7

Support for models from package mfx.

model_performance.rma() now includes results from heterogeneity test for meta-analysis objects.
check_normality() now also works for mixed models (with the limitation that studentized residuals are used).
check_normality() gets an effects-argument for mixed models, to check random effects for normality.

Fixed issue in performance_accuracy() for binomial models when response variable had non-numeric factor levels.
Fixed issues in performance_roc(), which printed 1 - AUC instead of AUC.

performance 0.4.6

Minor revisions to model_performance() to meet changes in mlogit package.
Support for bayesx models.

icc() gains a by_group argument, to compute ICCs per different group factors in mixed models with multiple levels or cross-classified design.
r2_nakagawa() gains a by_group argument, to compute explained variance at different levels (following the variance-reduction approach by Hox 2010).
performance_lrt() now works on lavaan objects.

Fix issues in some functions for models with logical dependent variable.
Fix bug in check_itemscale(), which caused multiple computations of skewness statistics.
Fix issues in r2() for gam models.

performance 0.4.5

model_performance() and r2() now support rma-objects from package metafor, mlm and bife models.

compare_performance() gets a bayesfactor argument, to include or exclude the Bayes factor for model comparisons in the output.
Added r2.aov().

Fixed issue in performance_aic() for models from package survey, which returned three different AIC values. Now only the AIC value is returned.
Fixed issue in check_collinearity() for glmmTMB models when zero-inflated formula only had one predictor.
Fixed issue in check_model() for lme models.
Fixed issue in check_distribution() for brmsfit models.
Fixed issue in check_heteroscedasticity() for aov objects.
Fixed issues for lmrob and glmrob objects.

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performance Assessment of Regression Models Performance

NEWS.md In performance: Assessment of Regression Models Performance

performance 0.12.4

Changes

Bug fixes

performance 0.12.3

New functions

Changes

performance 0.12.2

performance 0.12.1

General

Bug fixes

performance 0.12.0

Breaking

General

Bug fixes

performance 0.11.0

New supported models

New functions

General

Bug fixes

performance 0.10.9

Changes

Bug fixes

performance 0.10.8

Changes

Bug fixes

performance 0.10.7

Breaking changes

Changes to functions

performance 0.10.6

General

Changes to functions

Bug fixes

performance 0.10.5

Changes to functions

Bug fixes

performance 0.10.4

Changes to functions

Bug fixes

performance 0.10.3

New functions

Support for new models

Changes to functions

Bug fixes

performance 0.10.2

General

Changes to functions

Bug fixes

performance 0.10.1

General

Changes to functions

Bug fixes

performance 0.10.0

Breaking Change

New functions

Changes to functions

Bug Fixes

performance 0.9.2

General

Changes to functions

Bug Fixes

performance 0.9.1

Breaking

New functions

Support for new models

Changes to functions

Bug fixes

performance 0.9.0

New functions

Changes to functions

Check functions

Test functions

Model performance functions

Plotting and printing

Bug fixes

performance 0.8.0

Breaking Changes

General

New functions

performance
Assessment of Regression Models Performance

NEWS.md
In performance: Assessment of Regression Models Performance

`check_model()`

`model_performance()`

`performance_lrt()`

`model_performance()`

`model_performance()`