has_cols: Does the input have rows/columns?

In assertive.properties: Assertions to Check Properties of Variables

Does the input have rows/columns?

Description

Checks to see if the input has rows/columns.

Usage

assert_has_cols(x, severity = getOption("assertive.severity", "stop"))

assert_has_rows(x, severity = getOption("assertive.severity", "stop"))

has_cols(x, .xname = get_name_in_parent(x))

has_rows(x, .xname = get_name_in_parent(x))

Arguments

x	Input to check.
severity	How severe should the consequences of the assertion be? Either "stop", "warning", "message", or "none".
.xname	Not intended to be used directly.

Value

has_rows and has_cols return TRUE if nrow and ncol respectively return a value that is non-null and positive. The assert_* functions return nothing but throw an error if the corresponding has_* function returns FALSE.

See Also

ncol.

Examples

assert_has_rows(data.frame(x = 1:10))
assert_has_cols(matrix())

assertive.properties documentation built on April 21, 2022, 5:13 p.m.