3 ms·
Pedantic nitpick: he didn't find a linear correlation. Let x=[-5..+5] and y=[25,16,9,4,1,0,1,4,9,16,25] (that is, x²). The Pearson correlation coefficient, R²,
by wjholden 2y ago
Pedantic nitpick: he didn't find a linear correlation.
Let x=[-5..+5] and y=[25,16,9,4,1,0,1,4,9,16,25] (that is, x²). The Pearson correlation coefficient, R², will be zero. We know that y is dependent on x, but isn't linearly dependent.