LANDEMETS: Stata module to compute boundaries for group sequential clinical trials using alpha spending functions

Ignacio López de Ullibarri ()
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Ignacio López de Ullibarri: University of A Coruña

Statistical Software Components from Boston College Department of Economics

Abstract: landemets implements the method of Lan and DeMets (Biometrika, 1983) to compute the stopping boundaries in a group sequential clinical trial by using alpha spending functions.

Language: Stata
Requires: Stata version 12.1 and moremata package from SSC (q.v.)
Keywords: clinical trials; boundaries; Lan; DeMets (search for similar items in EconPapers)
Date: 2013-02-09, Revised 2013-06-01
Note: This module should be installed from within Stata by typing "ssc install landemets". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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http://fmwww.bc.edu/repec/bocode/l/landemets.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/l/landemets.sthlp help file (text/plain)

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