R/addCLV.R

# Close Location Value from TTR by Josh Ulrich
#
# chartSeries implementation by Jeffrey A. Ryan 2008
#
#  addCLV

`addCLV` <-
function (..., on = NA, legend = "auto") 
{
    lchob <- get.current.chob()
    x <- as.matrix(lchob@xdata)
    x <- HLC(x)
    x <- CLV(HLC = x)
    yrange <- NULL
    chobTA <- new("chobTA")
    if (NCOL(x) == 1) {
        chobTA@TA.values <- x[lchob@xsubset]
    }
    else chobTA@TA.values <- x[lchob@xsubset, ]
    chobTA@name <- "chartTA"
    if (any(is.na(on))) {
        chobTA@new <- TRUE
    }
    else {
        chobTA@new <- FALSE
        chobTA@on <- on
    }
    chobTA@call <- match.call()
    legend.name <- gsub("^.*[(]", " Close Location Value (", 
        deparse(match.call()))#, extended = TRUE)
    gpars <- c(list(...), list(col=5, type = "h"))[unique(names(c(list(col=5, type = "h"), 
        list(...))))]
    chobTA@params <- list(xrange = lchob@xrange, yrange = yrange, 
        colors = lchob@colors, color.vol = lchob@color.vol, multi.col = lchob@multi.col, 
        spacing = lchob@spacing, width = lchob@width, bp = lchob@bp, 
        x.labels = lchob@x.labels, time.scale = lchob@time.scale, 
        isLogical = is.logical(x), legend = legend, legend.name = legend.name, 
        pars = list(gpars))
#    if (is.null(sys.call(-1))) {
#        TA <- lchob@passed.args$TA
#        lchob@passed.args$TA <- c(TA, chobTA)
#        lchob@windows <- lchob@windows + ifelse(chobTA@new, 1, 
#            0)
#        chartSeries.chob <- quantmod:::chartSeries.chob
#        do.call("chartSeries.chob", list(lchob))
#        invisible(chobTA)
#    }
#    else {
     return(chobTA)
#    }
}

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quantmod documentation built on May 2, 2019, 5:48 p.m.