POWER_LOA: Stata module to compute power and sample size for limits of agreement (LOA) analysis

Ariel Linden

Statistical Software Components from Boston College Department of Economics

Abstract: power loa computes sample size at a specified power, and power at a specified sample size, for Bland and Altman's (1986) limits of agreement (LOA) analysis, according to the method developed by Lu et al. (2016). Briefly, upper and lower confidence limits are computed for both upper and lower LOAs. If the maximum allowable mean difference (delta) falls between the upper confidence limit of the upper LOA and the lower confidence limit of the lower LOA, the two measurements are considered to be in agreement. Otherwise, they are considered not to be in agreement. The results produced by power loa are identical to those produced by the PASS Sample Size Software and the R package blandPower.

Language: Stata
Requires: Stata version 11
Keywords: limits of agreement; Bland and Altman plot; Sample size; Power (search for similar items in EconPapers)
Date: 2023-05-28
Note: This module should be installed from within Stata by typing "ssc install power_loa". 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/powerFile-URL:h ... bocode/_/cmd_loa.ado program code (text/plain)
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http://fmwww.bc.edu/repec/bocode/p/powerFile-URL:h ... e/_/cmd_loa_init.ado program code (text/plain)
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http://fmwww.bc.edu/repec/bocode/p/power_loa.sthlp help file (text/plain)

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