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Check Numeric Relations
assert_lower(x, y, ...)assert_greater(x, y, ...)
assert_greater(x, y, ...)
Throws an error, if any, and returns x invisibly otherwise.
x
A numeric object to be checked.
numeric
Extra parameters to be passed to internal methods.
N. Frerebeau
Other validation methods: assert_constant(), assert_data, assert_length(), assert_names(), assert_numeric, assert_package(), assert_square(), assert_type(), validate()
assert_constant()
assert_data
assert_length()
assert_names()
assert_numeric
assert_package()
assert_square()
assert_type()
validate()