NEWS

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tcl 1.0.1 (2025-10-06)

• mix_mod() added: fits a mixed model considering multiple covariates.
• Power calculation and power curve functions added for statistical analysis and visualization.
• Backtick issues in sample_size_planning outputs fixed for improved readability.
• Function arguments and return values harmonized across the package for consistency and ease of use.

tcl 0.2.1 (2024-09-16)

• minor bug fixes

tcl 0.2.0 (2023-05-02)

• function "Testing item discriminations" added
• invar_test() function update: RS test statistic computable, in case Group 1 and/or 2 model not identified from the data.
• minor bug fixes

tcl 0.1.1 (2021-05-04)

• functions for power and sample size computations are added
• minor bug fixes

tcl 0.1.0 (2019-09-20)

First CRAN release.