GGally (version 2.2.1)

scatmat: Plots the lowertriangle and density plots of the scatter plot matrix.

Description

Function for making scatterplots in the lower triangle and diagonal density plots.

Usage

scatmat(data, columns = 1:ncol(data), color = NULL, alpha = 1)

Arguments

data

a data matrix. Should contain numerical (continuous) data.

columns

an option to choose the column to be used in the raw dataset. Defaults to 1:ncol(data)

color

an option to group the dataset by the factor variable and color them by different colors. Defaults to NULL

alpha

an option to set the transparency in scatterplots for large data. Defaults to 1.

Author

Mengjia Ni, Di Cook

Examples

# small function to display plots only if it's interactive
p_ <- GGally::print_if_interactive

data(flea)

p_(scatmat(flea, columns = 2:4))
p_(scatmat(flea, columns = 2:4, color = "species"))