depreg:

Usage Arguments Examples

Usage

1
depreg(x, y, xout = FALSE, outfun = out, ...)

Arguments

x
y
xout
outfun
...

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, y, xout = FALSE, outfun = out, ...) 
{
    if (is.matrix(x)) {
        if (ncol(x) >= 2) 
            stop("Only a single predicor is allowed")
        x <- as.vector(x)
    }
    xy = cbind(x, y)
    xy = elimna(xy)
    if (xout) {
        flag <- outfun(xy[, 1], plotit = FALSE, ...)$keep
        xy <- xy[flag, ]
    }
    x = xy[, 1]
    y = xy[, 2]
    ord <- order(x)
    xs <- x[ord]
    ys <- y[ord]
    vec1 <- outer(ys, ys, "-")
    vec2 <- outer(xs, xs, "-")
    v1 <- vec1[vec2 > 0]
    v2 <- vec2[vec2 > 0]
    slope <- v1/v2
    vec3 <- outer(ys, ys, "+")
    vec4 <- outer(xs, xs, "+")
    v3 <- vec3[vec2 > 0]
    v4 <- vec4[vec2 > 0]
    deep <- NA
    inter <- v3/2 - slope * v4/2
    temp <- matrix(c(inter, slope), ncol = 2)
    deep <- apply(temp, 1, rdepth, x, y)
    best <- max(deep)
    coef <- NA
    coef[2] <- mean(slope[deep == best])
    coef[1] <- mean(inter[deep == best])
    res <- y - coef[2] * x - coef[1]
    list(coef = coef, residuals = res)
  }

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