al</a> <a href="#math/geometric-mean">math/geometric-mean</a> <a href="#math/get-only-el">math/get-only-el</a> <a href="#math/harmonic-mean">math/harmonic-mean</a> <a href="#math/ident">math/ident</a> <a href="#math/interquartile-range">math/interquartile-range</a> <a href="#math/linear-regression">math/linear-regression</a> <a href="#math/linear-regression-line">math/linear-regression-line</a> <a href="#math/median">math/median</a> <a href="#math/median-absolute-deviation">math/median-absolute-deviation</a