Displaying 1 result from an estimated 1 matches for "ycoordinatesoflines".
2012 Feb 11
1
object not found - Can not figure out why I get this error: Error in NROW(yCoordinatesOfLines) : object 'low' not found
...to this list.
I trying to add some functions to quantmod that would enable me to draw
arbitrary lines and text and make sure they are redrawn. I have created
following function:
require(quantmod)
# Add horizontal line to graph produced by quantmod::chart_Series()
add_HorizontalLine<-function(yCoordinatesOfLines, on=1, ...) {
lenv <- new.env()
lenv$add_horizontalline <- function(x, yCoordinatesOfLines, ...) {
xdata <- x$Env$xdata
xsubset <- x$Env$xsubset
x0coords <- rep(1, NROW(yCoordinatesOfLines))
x1coords <- rep(NROW(xdata[xsubset]), NROW(yCoord...