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Is object a formula

is_formula.Rd

Returns TRUE if x inherits from class "formula".

Usage

is_formula(x)

Arguments

x

The object to be tested.

Value

Scalar logical

Examples

#----------------------------------------------------------------------------
# is_formula() examples
#----------------------------------------------------------------------------
library(bkbase)

is_formula(1:4)
#> [1] FALSE
is_formula("y ~ x")
#> [1] FALSE
is_formula(y ~ x)
#> [1] TRUE