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Create dummy matrix from a coded ID variable

Source: R/create_variables.R
dummy_matrix.Rd

Create dummy matrix from a coded ID variable

Usage

dummy_matrix(dat, project, x)

Arguments

dat

Primary data containing information on hauls or trips. Table in FishSET database contains the string 'MainDataTable'.

project

Project name.

x

Variable in dat used to generate dummy matrix.

Details

Creates a dummy matrix of 1/0 with dimensions [(number of observations in dataset) x (number of factors in x)] where each column is a unique factor level. Values are 1 if the value in the column matches the column factor level and 0 otherwise.

Examples

if (FALSE) { # \dontrun{
PortMatrix <- dummy_matrix(pollockMainDataTable, 'pollock', 'PORT_CODE')
} # }