PMVALSAMPSIZE: Stata module to calculate the minimum sample size required for external validation of a multivariable prediction model

Joie Ensor ()
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Joie Ensor: Institute of Applied Health Research, University of Birmingham

Statistical Software Components from Boston College Department of Economics

Abstract: pmvalsampsize computes the minimum sample size required for the external validation of an existing multivariable prediction model using the criteria proposed by Archer et al. and Riley et al. pmvalsampsize can currently be used to calculate the minimum sample size for the external validation of models with continuous or binary outcomes. A series of criteria define the sample size needed to ensure precise estimation of key measures of prediction model performance, allowing conclusions to be drawn about whether the model is potentially accurate and useful in a given population of interest.

Language: Stata
Requires: Stata version 12.1
Keywords: sample size; external validation; prediction model (search for similar items in EconPapers)
Date: 2023-07-28, Revised 2023-11-14
Note: This module should be installed from within Stata by typing "ssc install pmvalsampsize". 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/p/pmvalsampsize.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/p/pmvalsampsize.sthlp help file (text/plain)

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