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author | André Nusser <andre.nusser@googlemail.com> | 2020-02-10 09:49:33 +0100 |
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committer | André Nusser <andre.nusser@googlemail.com> | 2020-02-10 09:49:33 +0100 |
commit | 2d7e1007192229b70d52c1f04f7114f984f17002 (patch) | |
tree | a817029f91ed56467ee97a4b49cec4637e27b287 | |
parent | 10ed729f56a42e3701bc4c33fe6e9cc1bdcdbe54 (diff) |
Use stdddev instead of variance.
-rw-r--r-- | sampling_alg_lac2020/LAC-20.tex | 2 | ||||
-rwxr-xr-x | sampling_alg_lac2020/figures/selection_count/calc_stats.py | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/sampling_alg_lac2020/LAC-20.tex b/sampling_alg_lac2020/LAC-20.tex index cbbcb17..47c3d4f 100644 --- a/sampling_alg_lac2020/LAC-20.tex +++ b/sampling_alg_lac2020/LAC-20.tex @@ -634,7 +634,7 @@ Without the smart search optimization described at the end of Section \ref{sec:i experiment & sweep & 16 & 48 & 80 & 112 \\ \hline mean evaluations & 6.81 & 13.99 & 12.93 & 10.88 & 4.00 \\ -variance evaluations & 6.09 & 0.04 & 2.34 & 0.25 & 0.00 \\ +stddev evaluations & 2.47 & 0.19 & 1.53 & 0.50 & 0.00 \\ \hline \end{tabular} \end{table} diff --git a/sampling_alg_lac2020/figures/selection_count/calc_stats.py b/sampling_alg_lac2020/figures/selection_count/calc_stats.py index b192b72..9d9ac84 100755 --- a/sampling_alg_lac2020/figures/selection_count/calc_stats.py +++ b/sampling_alg_lac2020/figures/selection_count/calc_stats.py @@ -1,5 +1,6 @@ #!/usr/bin/python3 import sys +import math # if len(sys.argv) != 2: # print("Wrong number of arguments.") @@ -14,6 +15,6 @@ for input_file in files: X = [int(i) for i in f.readlines()] mean = float(sum(X))/len(X) - stddev = float(sum([x**2 for x in X]))/len(X) - mean**2 + stddev = math.sqrt(float(sum([x**2 for x in X]))/len(X) - mean**2) print("{0:.2f}".format(mean) + " " + "{0:.2f}".format(stddev)) |