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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: check-attribute, check-data, check-matrix, check-numeric-trend, check-numeric, check-type, needs(), validate()
check-attribute
check-data
check-matrix
check-numeric-trend
check-numeric
check-type
needs()
validate()