qqplot: A QQ plot

In Dynge/r_dynge: Dynge's Useful Functions

Description

Produces a QQ plot of your data with either normal or t-distributed quantiles.

Usage

qqplot(Y = NULL, X = NULL, type = "normal",
  ylabel = "Observed Values", xlabel = "Theoretical Quantiles")

Arguments

Y	A data vector to plot on the Y axis.
X	Additional data vector that will overwrite the normality quantiales that usually go on the X axis. Useful to compare distributions of different vectors.
type	The type of quantiles. Either "normal" or "t" distributed.
ylabel	The label for the x axis.
xlabel	The label for the y axis.

Value

data	A dataset containing the vectors used for the plot.
plot	A ggplot object of the plot.

Examples

data(mtcars)
qqplot(mtcars$mpg)

data(mtcars)
qqplot(mtcars$mpg, mtcars$qsec)

Dynge/r_dynge documentation built on July 1, 2019, 11:21 p.m.