class.ind: Convert factor to a dummy/indicator matrix

In gumeo/mnistr: Utility Functions for MNIST Dataset

Description

class.ind take a factor vector of length $n$ with $k$ levels and outputs an $n$ x $k$ indicator matrix.

Usage

class.ind(cl)

Arguments

cl	factor vector

Value

Appropriate indicator matrix.

Examples

# Random factor data
dat <- factor(sample(1:3,100, replace=TRUE))
# Get the ggplot object
indicatorMatrix <- class.ind(dat)

gumeo/mnistr documentation built on May 17, 2019, 9:27 a.m.