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pagetitle: ANCOVA
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* JD Ciolino, J Biopharm Stat 2013;23(6):1383-1402.
* <https://twitter.com/hswapnil/status/1290608974954475520>
* <https://doi.org/10.1101/2020.04.19.20069922>

# References from Stephen Senn
These should have been referenced by Benkeser et al Biometrics 2020:

* Cox DR, McCullagh P. Some Aspects of Analysis of Covariance. Biometrics. 1982;38(3):541-554.
* Gail MH, Wiand S, Piantadosi S. Biased estimates of treatment effects in randomized experiments with nonlinear regressions and omitted covariates. Biometrika. 1984;71:431-444.
* Beach ML, Meier P. Choosing covariates in the analysis of clinical trials. Controlled clinical trials. 1989;10(4 Suppl):161S-175S.
* Robinson LD, Jewell NP. Some surprising results about covariate adjustment in logistic regression models. International Statistical Review. 1991;58:227-240.
* Ford I, Norrie J, Ahmadi S. Model inconsistency, illustrated by the Cox proportional hazards model. Statistics in Medicine. 1995;14:735-746.
* Lee Y, Nelder JA. Conditional and marginal models: Another view. Statistical Science. 2004;19(2):219-228.