assert/check/test/NegativeSkew

Validation checks to test if Distribution is negative skew.

testNegativeSkew(
  object,
  errormsg = paste(object$short_name, "is not negative skew")
)

checkNegativeSkew(
  object,
  errormsg = paste(object$short_name, "is not negative skew")
)

assertNegativeSkew(
  object,
  errormsg = paste(object$short_name, "is not negative skew")
)

Arguments

object

Distribution

errormsg

custom error message to return if assert/check fails

Value

If check passes then assert returns invisibly and test/check

return TRUE. If check fails, assert stops code with error, check returns an error message as string, test returns FALSE.

Examples

testNegativeSkew(Binomial$new())
#> [1] FALSE