How do I do RRS

How do I do this function

rrs(1,63) top 2

thanks

What shall be “rrs”?

Matthias

RRS21, RRS42, RRS63, RRS126, RRS189, RRS252 - Regression Relative Strength measured over various numbers of market days representing 1, 2, 3, 6, 9, and 12 months. RRS is an annualized growth rate calculated from the slope of the log of the prices over the respective time period

thanks