NCA 5.0.0

• 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)

NCA 4.0.5

• nca_analysis: fix bug in bottleneck cases

NCA 4.0.4

• nca_analysis: fix bug in bottleneck cases
• nca_analysis: calculate p-value according to https://doi.org/10.1086/341527

NCA 4.0.3

• 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

NCA 4.0.2

• nca_power: fix bug in intercept calculation

NCA 4.0.1

• nca_outliers: fix bug due to removed model$peers

NCA 4.0.0

• 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

NCA 3.3.3

• nca_analysis: fix bug in method peers
• nca_analysis: layout changes in tests
• nca_analysis: test.p_threshold 0.05 as default

NCA 3.3.2

• 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

NCA 3.3.1

• Changed precision of the effect sizes in simple summary
• Bugfix in nca_outliers: not all scope outliers were reported

NCA 3.3.0

• 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

NCA 3.2.1

• Parallelize outliers
• Fix bug if no outliers present

NCA 3.2.0

• Introduce nca_outliers
• Rename column names in example2
• Remove SFA and LH lines
• Add URL for R-Studio
• Fix bug in cutoff

NCA 3.1.1

• Fix bug in bottleneck: epsilon error

NCA 3.1.0

• Introduce corner argument
• Augment the ‘steps’ argument on analysis: allow list of values
• Add # of cases when bottleneck == ‘percentile’
• Add Plotly graph
• Various bugfixes

NCA 3.0.3

• Change various messages
• Start cluster based on nof tasks
• Display percentiles as percentages for Y
• Bottleneck precision changes
• Various bugfixes

NCA 3.0.2

• 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

NCA 3.0.1

• Fix bugs in bottleneck table

NCA 3.0

• 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

NCA 2.0

• 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

NCA 1.1

• Add missing bottlenecks (qr and ce_vrs)
• Optionally better detection of peers
• Various bugfixes
• Update documentation

NCA 1.0

• Initial release