Is object an Item Matrix?

Is object an Item Matrix?

is_item_matrix(x)

Arguments

x	An object to test

Value

A logical vector

Examples

# Specify int matrix details
x = matrix(c(1, 0, 1, 1, 1), ncol = 2)
#> Warning: data length [5] is not a sub-multiple or multiple of the number of rows [3]

# Coerce to an item matrix
items = item_matrix(x)

# Verify output is an item matrix
is_item_matrix(items)
#> [1] TRUE

# Not an item matrix, but a regular matrix...
is_item_matrix(x)
#> [1] FALSE