Correction to: Trials 21, 386 (2020)
http://orcid.org/10.1186/s13063-020-04306-1
Following publication of the original article [1], we were notified that Eq. (1) is wrong and needs replacing. Eq. 1 should have been written:
This has divided the sum into its two component parts and replaced the symbol C in the previous version with C1 and C0.
Instead of: 
, the definition of C1 and C0 is given by: 
for j=0,1.
In addition, in Eq. (2) and at multiple instances after, γ/N needs to be replaced by γN (there should not be a division symbol).
Reference
Watson, et al. Graphing and reporting heterogeneous treatment effects through reference classes. Trials. 2020;21:386. https://doi.org/10.1186/s13063-020-04306-1.
Author information
Authors and Affiliations
Corresponding authors
Rights and permissions
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
About this article
Cite this article
Watson, J.A., Holmes, C.C. Correction to: Graphing and reporting heterogeneous treatment effects through reference classes. Trials 21, 865 (2020). https://doi.org/10.1186/s13063-020-04782-5
Published:
DOI: https://doi.org/10.1186/s13063-020-04782-5