Perform mediation analysis via a (fast and robust) bootstrap test.
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.