Be mindful of your data types. Sometimes T == 1 == 1.0 (logical, int, double) but assuming these are equivalent can get you into trouble. For example, in these animations, the only difference is the data is coerced to logicals or integers. 
Be mindful of your data types. Sometimes T == 1 == 1.0 (logical, int, double) but assuming these are equivalent can get you into trouble. For example, in these animations, the only difference is the data is coerced to logicals or integers.