View source: R/helper_functions.R
extract_av_cols | R Documentation |
Extract the availabilites matrix from the dataset using a column name prefix
extract_av_cols(data, prefix)
data |
The dataset used in the model |
prefix |
The prefix of the availability columns, i.e. avail_ |
Matrix of availabilities for alternatives and the number of choice observations
data("Train", package="mlogit")
Train$ID <- Train$id
Train$CHOICE <- as.numeric(Train$choice)
Train$avail_A <- sample(2, replace=TRUE, size=nrow(Train))-1
Train$avail_B <- sample(2, replace=TRUE, size=nrow(Train))-1
extract_av_cols(Train, 'avail_')
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.