This function, will round a value to an integer or a number of decimals places as specified.
value (number or variable): the value to be rounded
decimals (number): the number of decimal places to be rounded to. Default = 0 i.e. to the nearest integer
Basic format: ["round_dp", "value", "decimals"]
In the following example, we want to round our strike rate to 2 decimal places:
e.g: "strike_rate_rounded" = ["round_dp", "strike_rate_raw", 2]