Method deprecated or moved
This method is deprecated or moved on the latest stable version.
The last existing version (v2_1_10) is shown here.
fit_error(xys)
public
# File lib/minitest/benchmark.rb, line 228
def fit_error xys
y_bar = sigma(xys) { |x, y| y } / xys.size.to_f
ss_tot = sigma(xys) { |x, y| (y - y_bar) ** 2 }
ss_err = sigma(xys) { |x, y| (yield(x) - y) ** 2 }
1 - (ss_err / ss_tot)
end