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cosa
View on CRAN: Click
here
Download and install cosa package within the R console
Install from CRAN:
install.packages("cosa")
Install from Github:
library("remotes")
install_github("cran/cosa") Install by package version:
library("remotes")
install_version("cosa", "2.1.0") Attach the package and use:
library("cosa")
Maintained by
Metin Bulus
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2018-02-06
Latest Update: 2021-11-20
Description:
Implements bound constrained optimal sample size allocation (BCOSSA) framework described in Bulus & Dong (2021) for power analysis of multilevel regression discontinuity designs (MRDDs) and multilevel randomized trials (MRTs) with continuous outcomes.
Minimum detectable effect size (MDES) and power computations for MRDDs allow polynomial functional form specification for the score variable (with or without interaction with the treatment indicator). See Bulus (2021) .
How to cite:
Metin Bulus (2018). cosa: Bound Constrained Optimal Sample Size Allocation. R package version 2.1.0, https://cran.r-project.org/web/packages/cosa. Accessed 25 Jun. 2026.
Previous versions and publish date:
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Complete documentation for cosa
Functions, R codes and Examples using
the cosa R package
Some associated functions: bcrd3r2 . bcrd4r2 . bcrd4r3 . bird2r1 . bird3r1 . bird4r1 . cosa-deprecated . cosa-package . crd2r2 . crd3r3 . crd4r4 . inspect . ird1r1 . moments . plots . vectorize .
Some associated R codes: bcrd3f2.R . bcrd3r2.R . bcrd4f3.R . bcrd4r2.R . bcrd4r3.R . bird2f1.R . bird2r1.R . bird3r1.R . bird4r1.R . crd2r2.R . crd3r3.R . crd4r4.R . errors.R . ird1r1.R . methods.R . moments.R . plots.R . utils.R . vectorize.R . Full cosa package functions and examples
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