Changes in version 5.0.0 (2026-03-20) - documentation: change independent and dependent variable to condition and outcome - nca_difference: added - nca_analysis: added purity metrics for some ceilings (ce_fdh, ce_vrs, cr_fdh, c_lp) - nca_normalize: renamed to nca_util_normalize - nca_output: move plot to ggplot2 - nca_outliers: do not show 'scope' column when a theoretical scope is defined - nca_analysis: do not ignore set.seed() when doing nca_analysis with tests - nca_power: remove average p from output - nca_power: add corner argument - nca_power: add parallelization for larger iteration sets - nca_powerplot: added - parallelization: add 'max.cores' environment variable - nca_tests: replace qplot with ggplot (deprecation) - nca_output: add date/time to PDF filenames - nca_extract: added - nca_analysis: add custom ceiling - nca_normalize: added - nca_output: added plot_bottlenecks for bottleneck lines in plots and plotly - nca_output: collapse observations in plotly - nca_output: extend lines to Ymin and Xmax (for corner 1, other corners comparable) Changes in version 4.0.5 (2025-12-21) - nca_analysis: fix bug in bottleneck cases Changes in version 4.0.4 (2025-11-14) - nca_analysis: fix bug in bottleneck cases - nca_analysis: calculate p-value according to https://doi.org/10.1086/341527 Changes in version 4.0.3 (2025-10-14) - nca_plotly: use workaround for single-point bug in Plotly - nca_power: vectorize slope and effect - nca_analysis: fix bug in model$peers - nca_analysis: allow duplicate peers Changes in version 4.0.2 (2024-11-09) - nca_power: fix bug in intercept calculation Changes in version 4.0.1 (2024-02-23) - nca_outliers: fix bug due to removed model$peers Changes in version 4.0.0 (2024-02-16) - nca_random: added function to generate data - nca_power: added function to evaluate power - nca_output: remove OLS line from Plotly - nca_analysis: fix bug in bottlenecks for CE ceilings Changes in version 3.3.3 (2023-09-05) - nca_analysis: fix bug in method peers - nca_analysis: layout changes in tests - nca_analysis: test.p_threshold 0.05 as default Changes in version 3.3.2 (2023-06-27) - nca_outliers: fix bug when no outliers if k == 1 - nca_outliers: force conversion of data to dataframe - nca_outliers: display '# not shown' outliers - nca_outliers: add the condensed parameter - nca_outliers: add the scope parameter - nca_analysis: set fit to NA if fit > 100% - nca_analysis: add ceiling-specific peers - nca_analysis: add method peers Changes in version 3.3.1 (2023-02-10) - Changed precision of the effect sizes in simple summary - Bugfix in nca_outliers: not all scope outliers were reported Changes in version 3.3.0 (2023-02-06) - Add the number of potential outliers (k) to nca_outliers This allows to analyse combinations potential outliers. - Add nca_outliers argument min.diff: a minimum for effect size difference. - Add nca_outliers argument max.results: the maximum number of potential outliers reported. - Add corner, flip.x and flip.y to nca_outliers. Their functionality is identical to the nca_alysis arguments. - The scope argument of nca_analysis now allows NA - Reset the seed after running tests Changes in version 3.2.1 (2022-09-15) - Parallelize outliers - Fix bug if no outliers present Changes in version 3.2.0 (2022-04-05) - Introduce nca_outliers - Rename column names in example2 - Remove SFA and LH lines - Add URL for R-Studio - Fix bug in cutoff Changes in version 3.1.1 (2021-05-03) - Fix bug in bottleneck: epsilon error Changes in version 3.1.0 (2021-03-02) - Introduce corner argument - Augment the 'steps' argument on analysis: allow list of values - Add # of cases when bottleneck == 'percentile' - Add Plotly graph - Various bugfixes Changes in version 3.0.3 (2020-06-11) - Change various messages - Start cluster based on nof tasks - Display percentiles as percentages for Y - Bottleneck precision changes - Various bugfixes Changes in version 3.0.2 (2019-11-22) - Change parallelization for Windows - Limit test.rep for small h's and enforce unique samples - Enforce step size > 0 - Appended startup message - Added effect aggregation - Make point color user-configurable - Various bugfixes Changes in version 3.0.1 (2018-08-21) - Fix bugs in bottleneck table Changes in version 3.0 (2018-08-01) - Add the fit measure to the summary output - Add peers to model - Add rownames to peers - Add statistical tests - Add precision for p value - Add qr.tau parameter Changes in version 2.0 (2016-05-18) - Split nca into nca_analysis, use nca for simple analysis - Introduce nca_output for summary, bottleneck and plots - Display bottleneck in console, not in window - Ceilings as vector - Allow user to define list of columns for each type of variable - Introduce flipping, configurable for Y and each X separately - Introduce step.size parameter - Add the scope param, with a theoretical scope for every X - Clip lines to scope region - Removed 'slow' peer detection - Update documentation accordingly - Various bugfixes Changes in version 1.1 (2015-10-10) - Add missing bottlenecks (qr and ce_vrs) - Optionally better detection of peers - Various bugfixes - Update documentation Changes in version 1.0 (2015-07-02) - Initial release