Test if an object is multi-dimensional

Returns TRUE if an object is a matrix or data frame with at least 2 rows and at least 2 columns, FALSE otherwise

is_multidim(x)

Arguments

x

an R object

Value

whether x is multi-dimensional

See also

is_one_dim

Examples

# general matrix (nrow>1, ncol>1)
is_multidim(matrix(1:9, 3, 3))  # TRUE
#> [1] TRUE

# general data frame
is_multidim(iris)  # TRUE
#> [1] TRUE

# vector
is_multidim(1:5)  # FALSE
#> [1] FALSE

# factor
is_multidim(iris$Species)  # FALSE
#> [1] FALSE

# one row matrix
is_multidim(matrix(1:5, 1, 5))  # FALSE
#> [1] FALSE

# one column matrix
is_multidim(matrix(1:5, 5, 1))  # FALSE
#> [1] FALSE