Check Matrix — chk_matrix • chk

Checks if is a matrix using

is.matrix(x)

Usage

chk_matrix(x, x_name = NULL)

vld_matrix(x)

Arguments

x: The object to check.
x_name: A string of the name of object x or NULL.

Value

The chk_ function throws an informative error if the test fails or returns the original object if successful so it can used in pipes.

The vld_ function returns a flag indicating whether the test was met.

Functions

vld_matrix(): Validate Matrix

See also

Other chk_is: chk_array(), chk_atomic(), chk_data(), chk_function(), chk_is(), chk_numeric(), chk_s3_class(), chk_s4_class(), chk_vector(), chk_whole_numeric()

Examples

# chk_matrix
chk_matrix(matrix(1))
try(chk_matrix(array(1)))
#> Error in eval(expr, envir, enclos) : `array(1)` must be an matrix.
# vld_matrix
vld_matrix(1)
#> [1] FALSE
vld_matrix(matrix(1))
#> [1] TRUE