diff options
| -rwxr-xr-x | gpsprof | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -171,15 +171,15 @@ class stats(object): m3 = 0.0 m4 = 0.0 if type(fixes[0]) == tuple: - sum_squares = [x[index] ** 2 for x in fixes] - sigma = math.sqrt(sum(sum_squares) / len(fixes)) + sum_squares = [(x[index] - self.mean) ** 2 for x in fixes] + sigma = math.sqrt(sum(sum_squares) / (len(fixes) - 1)) for fix in fixes: m3 += pow(fix[index] - sigma, 3) m4 += pow(fix[index] - sigma, 4) else: # must be float - sum_squares = [x ** 2 for x in fixes] - sigma = math.sqrt(sum(sum_squares) / len(fixes)) + sum_squares = [(x - self.mean) ** 2 for x in fixes] + sigma = math.sqrt(sum(sum_squares) /( len(fixes) -1)) for fix in fixes: m3 += pow(fix - sigma, 3) m4 += pow(fix - sigma, 4) |