Forest Plots, Funnel Plots, and Visual Funnel Plot Inference for Meta-Analysis

A compilation of functions to create visually appealing and information-rich plots of meta-analytic data using 'ggplot2'. Currently allows to create forest plots, funnel plots, and many of their variants, such as rainforest plots, thick forest plots, additional evidence contour funnel plots, and sunset funnel plots. In addition, functionalities for visual inference with the funnel plot in the context of meta-analysis are provided.


Package metaviz version 0.1.0

Package metaviz version 0.1.1

Package metaviz version 0.2

  • March 16, 2018: Version 0.2 submitted to CRAN
  • Added viz_funnel, a new function to create funnel plot variants (e.g., additional evidence contour enhanced funnel plots)
  • Added viz_forest, a new function to create forest plot variants (classic, thick forest, and rainforest plots)
  • Now includes an additional example dataset of a meta-analysis with dichotomous outcomes.

Package metaviz version 0.3

  • January 14, 2019: Version 0.3 submitted to CRAN
  • Added viz_sunset, a dedicated function for sunset (power-enhanced) funnel plots. Also available as shiny app:
  • Now includes an additional example dataset of a meta-analysis with standardized mean differences.

Reference manual

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0.3.1 by Michael Kossmeier, 2 years ago

Report a bug at

Browse source code at

Authors: Michael Kossmeier [cre, aut] , Ulrich S. Tran [aut] , Martin Voracek [aut]

Documentation:   PDF Manual  

Task views: Meta-Analysis

GPL-2 license

Imports ggplot2, nullabor, dplyr, RColorBrewer, metafor, gridExtra, ggpubr

Suggests Cairo, knitr, rmarkdown

See at CRAN