R/xData.R

In cwendorf/EASIalt: easiOrigin

# easiOrigin
## Data Plots

### Plot Data

graphData <- function(x, ...) {
  UseMethod("graphData")
}

graphData.default <- function(frame, add = FALSE, main = NULL, ylab = "Outcome", xlab = "", offset = .1, method = "stack", jitter = .05, col = rgb(0, 0, 0, .3), pch = 16, ...) {
  data <- data.frame(frame)
  ylimrange <- range(pretty(c(floor(min(data - .4)), ceiling(max(data) + .4))))
  xlimrange <- c(.5, ncol(data) + .5)
  mx <- ncol(data) + offset
  mn <- 1 + offset
  par(bty = "l", xaxs = "i", yaxs = "i")
  if (is.null(main)) {
    main <- "Data for the Variables"
  }
  stripchart(data, add = add, xlim = xlimrange, ylim = ylimrange, at = mn:mx, vertical = TRUE, method = method, main = main, ylab = ylab, xlab = xlab, jitter = jitter, col = col, pch = pch, cex.lab = 1.15)
}

graphData.formula <- function(formula, add = FALSE, main = NULL, ylab = NULL, xlab = "", offset = .1, method = "stack", jitter = .05, col = rgb(0, 0, 0, .3), pch = 16, ...) {
  x <- eval(formula[[3]])
  adjustX <- as.numeric(x) + offset
  mn <- min(adjustX, na.rm = TRUE)
  mx <- max(adjustX, na.rm = TRUE)
  y <- eval(formula[[2]])
  ylimrange <- range(pretty(c(floor(min(y - .4)), ceiling(max(y) + .4))))
  xlimrange <- c(.5, nlevels(x) + .5)
  par(bty = "l", xaxs = "i", yaxs = "i")
  if (is.null(main)) {
    main <- "Data for the Groups"
  }
  if (is.null(ylab)) {
    ylab <- all.vars(formula)[1]
  }
  stripchart(formula, add = add, xlim = xlimrange, ylim = ylimrange, at = mn:mx, vertical = TRUE, method = method, main = main, ylab = ylab, xlab = xlab, jitter = jitter, col = col, pch = pch, cex.lab = 1.15, ...)
}