dummify: Dummify

In gastonstat/matrixkit: First aid kit for matrix operations

Description

Convert an object into a dummy matrix

Usage

  dummify(x, labels, full)

Arguments

x	a vector, factor, matrix or data frame
labels	should labels for row and columns be included?
full	whether all categories are included. When full = FALSE then the first category is dropped out

Examples

# vector
v = rep(c(1,2,3), 4)
dummify(v)
dummify(v, full = FALSE)

# factor
dummify(as.factor(v))

# matrix
M = cbind(c(1,2), c(3,4))
dummify(M)

# data frame
D = data.frame(b1=factor(c('a','b','a','b')), b2=factor(1:4))
dummify(D)

gastonstat/matrixkit documentation built on May 16, 2019, 5:45 p.m.