let n0 = Linspace;
let n1 = MapSin(input: n0.values.clone());
let n2 = MapCos(input: n0.values);
let n3 = stats.t_test(group_a: n1.values.clone(), group_b: n2.values.clone());
let n4 = Mean(input: n1.values);
let n5 = Mean(input: n2.values);