fritools (version 4.6.0)

is_scalar_convertible2numeric: Check Whether a Scalar is Convertible to Numeric

Description

Check Whether a Scalar is Convertible to Numeric

Usage

is_scalar_convertible2numeric(x)

Value

A boolean.

Arguments

x

A Scalar.

See Also

Other logical helpers: get_run_r_tests(), is_batch(), is_cran(), is_false(), is_force(), is_installed(), is_not_false(), is_null_or_true(), is_of_length_zero(), is_r_cmd_check(), is_r_package_installed(), is_running_on_fvafrcu_machines(), is_running_on_gitlab_com(), is_scalar(), is_success(), is_true(), is_version_sufficient(), is_windows()

Examples

x <- "3"
tinytest::expect_true(is_scalar_convertible2numeric(as.vector(x)))
tinytest::expect_true(is_scalar_convertible2numeric(as.list(x)))
tinytest::expect_true(is_scalar_convertible2numeric(as.array(x)))
tinytest::expect_true(is_scalar_convertible2numeric(as.matrix(x)))
x <- as.character(1:24)
tinytest::expect_error(is_scalar_convertible2numeric(x))
tinytest::expect_true(is_scalar_convertible2numeric(x[3]))
dim(x) <- c(6, 4)
tinytest::expect_error(is_scalar_convertible2numeric(x))
tinytest::expect_true(is_scalar_convertible2numeric(x[1, 2]))
dim(x) <- c(2, 3, 4)
tinytest::expect_error(is_scalar_convertible2numeric(x))
tinytest::expect_true(is_scalar_convertible2numeric(x[1, 2, 3]))

x <- LETTERS[1:24]
tinytest::expect_error(is_scalar_convertible2numeric(x))
tinytest::expect_false(is_scalar_convertible2numeric(x[3]))
dim(x) <- c(6, 4)
tinytest::expect_error(is_scalar_convertible2numeric(x))
tinytest::expect_false(is_scalar_convertible2numeric(x[1, 2]))
dim(x) <- c(2, 3, 4)
tinytest::expect_error(is_scalar_convertible2numeric(x))
tinytest::expect_false(is_scalar_convertible2numeric(x[1, 2, 3]))