This article describes the R package copas which is an add-on package to the R package meta. The R package copas can be used to fit the Copas selection model to adjust for bias in meta-analysis. A clinical example is used to illustrate fitting and interpreting the Copas selection model.
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For attribution, please cite this work as
Carpenter, et al., "The R Journal: copas: An R package for Fitting the Copas Selection Model", The R Journal, 2009
BibTeX citation
@article{RJ-2009-012, author = {Carpenter, J. and Rücker, G. and Schwarzer, G.}, title = {The R Journal: copas: An R package for Fitting the Copas Selection Model}, journal = {The R Journal}, year = {2009}, note = {https://doi.org/10.32614/RJ-2009-012}, doi = {10.32614/RJ-2009-012}, volume = {1}, issue = {2}, issn = {2073-4859}, pages = {31-36} }