Assert that an object is a numeric.
Usage
assertNumeric(
  x,
  integerish = FALSE,
  min = -Inf,
  max = Inf,
  length = NULL,
  na = FALSE,
  null = FALSE,
  unique = FALSE,
  named = FALSE,
  call = parent.frame(),
  msg = NULL
)Arguments
- x
 Variable to check.
- integerish
 Whether it has to be an integer
- min
 Minimum value that the object can be.
- max
 Maximum value that the object can be.
- length
 Required length. If
NULLlength is not checked.- na
 Whether it can contain NA values.
- null
 Whether it can be NULL.
- unique
 Whether it has to contain unique elements.
- named
 Whether it has to be named.
- call
 Call argument that will be passed to
clierror message.- msg
 Custom error message.