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This robust method is used to calculate the reference interval on small sample size (below to 120 observations).
robustRI(x, ind = 1:length(x), conf.level = 0.95, tol = 1e-06)
a vector of robust reference interval
(numeric) numeric measurements from target population.
numeric
(integer) integer vector for boot process, default is all elements in x.
integer
x
(numeric) significance level for the internal t statistic.
(numeric) tolerance for when the iterative process can be stopped.
This robust algorithm is referring to CLSI document EP28A3.
# This example data is taken from EP28A3 Appendix B. to ensure the result is in accordance. x <- c(8.9, 9.2, rep(9.4, 2), rep(9.5, 3), rep(9.6, 4), rep(9.7, 5), 9.8, rep(9.9, 2), 10.2) robustRI(x)
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