Draw a histogram for each group

Draws the distribution of x separately for each group.

Usage

histplots(x, y, group, data, n)

Arguments

x

The name of the x column, as a string.

y

Kept for compatibility; this function doesn't use it.

group

The name of the grouping column, as a string.

data

A data frame.

n

The number of bins.

Value

Prints one histogram per group. The function returns NULL invisibly.

Author

Charles Crabtree charles.crabtree@monash.edu

Examples

a <- runif(1000, min = 0, max = 1)
b <- a + rnorm(1000, mean = 0, sd = 1)
c <- rep(c(1:10), times = 100)
data <- data.frame(a, b, c)
histplots("a", "b", "c", data, 5)