lband:

Usage Arguments Examples

Usage

1
lband(x, y = NULL, alpha = 0.05, plotit = TRUE, sm = TRUE, op = 1, ylab = "delta", xlab = "x (first group)")

Arguments

x
y
alpha
plotit
sm
op
ylab
xlab

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 = NULL, alpha = 0.05, plotit = TRUE, sm = TRUE, 
    op = 1, ylab = "delta", xlab = "x (first group)") 
{
    if (!is.null(y[1])) 
        x <- cbind(x, y)
    if (is.list(x)) 
        x = matl(x)
    if (ncol(x) != 2) 
        stop("Should have two groups only")
    m <- elimna(x)
    y <- m[, 2]
    x <- m[, 1]
    n <- length(x)
    crit <- nelderv2(m, 1, lband.fun2, alpha = alpha)
    plotit <- as.logical(plotit)
    xsort <- sort(x)
    ysort <- sort(y)
    l <- 0
    u <- 0
    ysort[0] <- NA
    ysort[n + 1] <- NA
    lsub <- c(1:n) - floor(sqrt(2 * n) * crit)
    usub <- c(1:n) + floor(sqrt(2 * n) * crit)
    for (ivec in 1:n) {
        isub <- max(0, lsub[ivec])
        l[ivec] <- NA
        if (isub > 0) 
            l[ivec] <- ysort[isub] - xsort[ivec]
        isub <- min(n + 1, usub[ivec])
        u[ivec] <- NA
        if (isub <= n) 
            u[ivec] <- ysort[isub] - xsort[ivec]
    }
    num <- length(l[l > 0 & !is.na(l)]) + length(u[u < 0 & !is.na(u)])
    qhat <- c(1:n)/n
    m <- cbind(qhat, l, u)
    dimnames(m) <- list(NULL, c("qhat", "lower", "upper"))
    if (plotit) {
        xsort <- sort(x)
        ysort <- sort(y)
        del <- 0
        for (i in 1:n) del[i] <- ysort[i] - xsort[i]
        xaxis <- c(xsort, xsort)
        yaxis <- c(m[, 1], m[, 2])
        allx <- c(xsort, xsort, xsort)
        ally <- c(del, m[, 2], m[, 3])
        temp2 <- m[, 2]
        temp2 <- temp2[!is.na(temp2)]
        plot(allx, ally, type = "n", ylab = ylab, xlab = xlab)
        ik <- rep(F, length(xsort))
        if (sm) {
            if (op == 1) {
                ik <- duplicated(xsort)
                del <- lowess(xsort, del)$y
            }
            if (op != 1) 
                del <- runmean(xsort, del, pyhat = TRUE)
        }
        lines(xsort[!ik], del[!ik])
        lines(xsort, m[, 2], lty = 2)
        lines(xsort, m[, 3], lty = 2)
        temp <- summary(x)
        text(temp[3], min(temp2), "+")
        text(temp[2], min(temp2), "o")
        text(temp[5], min(temp2), "o")
    }
    list(m = m, crit = crit, numsig = num)
  }

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