outmah:

Usage Arguments Examples

Usage

1
outmah(x, qval = pnorm(3), plotit = TRUE, xlab = "VAR 1", ylab = "VAR 2")

Arguments

x
qval
plotit
xlab
ylab

Examples

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##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (x, qval = pnorm(3), plotit = TRUE, xlab = "VAR 1", 
    ylab = "VAR 2") 
{
    x = elimna(x)
    x = as.matrix(x)
    m = apply(x, 2, mean)
    v = cov(x)
    dis = mahalanobis(x, m, v)
    crit <- sqrt(qchisq(qval, ncol(x)))
    vec <- c(1:nrow(x))
    dis[is.na(dis)] = 0
    dis <- sqrt(dis)
    chk <- ifelse(dis > crit, 1, 0)
    id <- vec[chk == 1]
    keep <- vec[chk == 0]
    if (is.matrix(x)) {
        if (ncol(x) == 2 && plotit) {
            plot(x[, 1], x[, 2], xlab = xlab, ylab = ylab, type = "n")
            flag <- rep(T, nrow(x))
            flag[id] <- F
            points(x[flag, 1], x[flag, 2])
            if (sum(!flag) > 0) 
                points(x[!flag, 1], x[!flag, 2], pch = "*")
        }
    }
    if (!is.matrix(x)) 
        outval <- x[id]
    if (is.matrix(x)) 
        outval <- x[id, ]
    list(out.val = outval, out.id = id, keep = keep, dis = dis, 
        crit = crit)
  }

musto101/wilcox_R documentation built on May 23, 2019, 10:52 a.m.