Changes in robmed version 0.7.0

    + Removed deprecated functions and arguments.

    + fit_mediation() and test_mediation() now allow to fit regression models
      with skew-normal, t or skew-t error distribtions.

    + p_value() now offers functionality in line with coef() and confint(),
      but default behavior is kept for back-compatibility with previous
      versions.

    + setup_ci_plot() and ci_plot() now allow to include information on
      p-values in addition to confidence intervals.



Changes in robmed version 0.6.0

    + Added formula interface.

    + fit_mediation() now checks for variable type rather than converting all
      variables to numeric.

    + fit_mediation() and test_mediation() now use 'robust = "median"' instead
      of argument 'median'.

    + Renamed argument 'other' for type of confidence intervals to 'type'
      and also changed possible values to match argument for extracting
      coefficients.

    + New plot function ellipse_plot() for a diagnostic plot with a tolerance
      ellipse.

    + dot_plot() has been renamed to ci_plot() and is now creating panels for
      different effects instead of different methods.

    + density_plot() now uses argument 'fill' only for the filled rectangle
      that illustrates the confidence interval, and allows to customize the
      transparency of the confidence interval via argument 'alpha'.

    + Bugfix in density_plot(): avoids that duplicated or unknown arguments are
      passed to geom()'s via the ... argument.

    + Functions ci_plot() and density_plot() are now exported and replace
      plot_mediation().

    + New functions setup_ci_plot(), setup_density_plot() and
      setup_ellipse_plot() to extract relevant information for plots.

    + fortify() and plot_mediation() are now deprecated.

    + Updated demos for empirical cases 2 and 3.



Changes in robmed version 0.5.0

    + Changed components 'c' and 'c_prime' to 'direct' and 'total',
      respectively, to avoid confusion with different notation in different
      papers.

    + Removed deprecated functions.



Changes in robmed version 0.4.0

    + Output of summaries restructured to be similar to PROCESS macro of Andrew
      Hayes.

    + Wrapper function indirect() is now deprecated.

    + Added missing reference in help file of example data.



Changes in robmed version 0.3.0

    + Added method based on median regressions (Yuan & MacKinnon, 2014).



Changes in robmed version 0.2.0

    + Added shiny app for comparing bootstrap methods on simulated data with
      outliers.

    + Added support for multiple mediators for standard and robust bootstrap
      tests based on regressions.

    + Redesigned functions to live in the tidyverse: using under_scores instead
      of camelCase; first argument of fit_mediation() and test_mediation() is a
      data frame.

    + Added method based on robust regressions and fast and robust bootstrap,
      which is the new default method.

    + Wrapper function indirect() now always uses the bootstrap test



Changes in robmed version 0.1.1

    + Bugfix in density plot: bootstrap replicates for indirect effect are now
      correctly extracted.
