Created
June 16, 2020 21:19
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stratified alpha R function
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| alpha_stratified <- function(x, a, na.rm = TRUE) { | |
| v <- diag(var(x, na.rm = na.rm)) | |
| vt <- sum(var(x, na.rm = na.rm)) | |
| ev <- sum((1 - a) * v) | |
| return(list(strat.alpha = c(1 - ev/vt), scores = rowMeans(x, na.rm = TRUE))) | |
| } |
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