R/pl.3txt.R

In PMmisc: P&M Miscellaneous R Functions

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##### scatter plot with text overlay
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#' @name pl.3txt
#' @aliases pl.3txt
#' @title Scatter plot with text overlay
#' @description Generate a scatter plot with text overlay. This plot is to better show the effect of
#' the text variable in the domain of x and y variable.
#' @usage pl.3txt(x,y,txt,title)
#' @param x :a numeric vector
#' @param y :a numeric vector
#' @param txt :a vector used as labels
#' @param title :title of the graph
#' @examples pl.3txt(mtcars[,1], mtcars[,3], row.names(mtcars),"mpg v. cyl")


pl.3txt <- function(x, y, txt, title){

  plot(x, y, type = "n", main = title); text(x,y,txt, cex = .5)

}