cosa: Bound Constrained Optimal Sample Allocation

Implements bound constrained optimization of sample sizes in power analysis of multilevel regression discontinuity designs (MRDDs) and multilevel randomized trials (MRTs) with continuous outcomes. Bulus, M. & Dong, N. (2019). Bound Constrained Optimization of Sample Sizes Subject to Monetary Restrictions in Planning MRTs and MRDDs (Revise & Resubmit).

Version: 1.2.2
Imports: nloptr (≥ 1.0.4)
Suggests: knitr, rmarkdown
Published: 2019-05-09
Author: Metin Bulus [aut, cre], Nianbo Dong [aut]
Maintainer: Metin Bulus <bulusmetin at>
License: GPL (≥ 3)
NeedsCompilation: no
Citation: cosa citation info
Materials: README NEWS
CRAN checks: cosa results


Reference manual: cosa.pdf
Vignettes: COSA Tutorial
Package source: cosa_1.2.2.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X binaries: r-release: cosa_1.2.2.tgz, r-oldrel: cosa_1.2.2.tgz
Old sources: cosa archive


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