add error bars to a scatterplot.
errorbar(x, y, xupper = NULL, xlower = NULL, yupper = NULL, ylower = NULL, col = "black", lty = 1)
| x | numeric |
|---|---|
| y | numeric |
| xupper | numeric |
| xlower | numeric |
| yupper | numeric |
| ylower | numeric |
| col | colors |
| lty | numeric |
errorbars in a plot
errorbar(x, y, yupper = 0.1, ylower = 0.1)