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So far internal function.
cronbach_alpha(Data, ci = TRUE, ci_lvl = 0.95)
A list with \(\alpha\) estimate and optionally CI.
data.frame or matrix, item data, NA gets excluded automatically.
NA
logical, whether to compute CI or not. Defaults to TRUE.
TRUE
numeric ranging from 0 to 1, a confidence level to construct CI for. Defaults to .95.
.95
ShinyItemAnalysis:::cronbach_alpha(HCI[, 1:20])
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