Different from as.data.frame
# S3 method for class 'matrix'
fortify(model, data = NULL, compat = FALSE, ...)base::matrix instance
original dataset, if needed
Logical frag to specify the behaviour when converting matrix which has no column name.
If FALSE, result has character columns like c('1', '2', ...).
If TRUE, result has character columns like c('V1', 'V2', ...).
other arguments passed to methods
data.frame
fortify(matrix(1:6, nrow=2, ncol=3))
#> 1 2 3
#> 1 1 3 5
#> 2 2 4 6