R: Design Matrix

Design Matrix {Rfast} | R Documentation

## Design Matrix

### Description

Design Matrix.

### Usage

    design_matrix(x, ones = TRUE)

### Arguments

`x` | A character vector or a factor type vector or a dataframe. Do not supply a numerical vector.
`ones` | A boolean variable specifying whether to include the ones in the design matrix or not. The default value is TRUE.

### Details

This function implements the R's "model.matrix" function and is used only when the x is a factor/charactervector or Dataframe.

### Value

Returns the same matrix with model.matrix.

### Author(s)

Manos Papadakis

R implementation and documentation: Manos Papadakis <papadakm95@gmail.com>

### See Also

`model.matrix`

### Examples

    a <- design_matrix( iris[, 5] )
    b <- model.matrix( ~ iris[,5] )  ## R's built-in function
    all.equal(as.vector(a),as.vector(b)) ## true

    a<-b<-NULL

[Package Rfast version 2.0.0 Index]