回帰直線の有意性検定
yi = [
[3, 5, 3],
[3, 3, 8],
[2, 2, 2],
[3, 4, 2],
[1, 2, 0],
]
xi = [
[35, 38, 39],
[36, 39, 54],
[40, 45, 39],
[47, 52, 48],
[64, 80, 70],
]
ancova = Num4AnovaLib::Num4AncovaLib.new
ancova.significance_test(yi, xi, 0.05)
=> true