plot.kmeans {useful}

plot.kmeans

Description

Plot the results from a k-means object

Usage

## S3 method for class 'kmeans'
plot(x, data = NULL, class = NULL, size = 2,
  legend.position = c("right", "bottom", "left", "top", "none"),
  title = "K-Means Results", xlab = "Principal Component 1",
  ylab = "Principal Component 2", ...)

Arguments

x

A kmeans object.

data

The data used to kit the kmeans object.

class

Character name of the "true" classes of the data.

size

Numeric size of points

legend.position

Character indicating where the legend should be placed.

title

Title for the plot.

xlab

Label for the x-axis.

ylab

Label for the y-axis.

...

Not Used.

Details

Plots the results of k-means with color-coding for the cluster membership. If data is not provided, then just the center points are calculated.

Value

A ggplot object

Author(s)

Jared P. Lander

See Also

kmeans fortify ggplot plot.kmeans

Examples

k1 <- kmeans(x=iris[, 1:4], centers=3)
plot(k1)
plot(k1, data=iris)