boxqq {s20x} | R Documentation |
Draws boxplots and normal quantile quantile plots of x for each value of the grouping variable g
boxqq(formula, ...) ## S3 method for class 'formula': boxqq(formula, data = NULL, ...)
formula |
A symbolic specification of the form `x ~ g' can be given, indicating the observations in the vector `x' are to be grouped according to the levels of the factor `g'. `NA's are allowed in the data. |
data |
An optional data frame in which to evaluate the formula. |
... |
Arguments to be passed to methods, such as graphical
parameters (see par ). |
Returns the plot.
## Zoo data data(zoo.df) boxqq(attendance~day.type, data = zoo.df)