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Refactor ValueCutPoint
Reefactor sameValues in getCandidate
This commit is contained in:
Ricardo Montañana Gómez
2023-02-20 18:23:05 +01:00
parent 04c1772019
commit dec1295933
14 changed files with 198 additions and 203 deletions
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6
Metrics.cpp
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@@ -29,8 +29,8 @@ namespace mdlp {
labels_t counts(numClasses + 1, 0);
if (end - start < 2)
return 0;
if (entropyCache.find(make_tuple(start, end)) != entropyCache.end()) {
return entropyCache[make_tuple(start, end)];
if (entropyCache.find({ start, end }) != entropyCache.end()) {
return entropyCache[{start, end}];
}
for (auto i = &indices[start]; i != &indices[end]; ++i) {
counts[y[*i]]++;
@@ -42,7 +42,7 @@ namespace mdlp {
ventropy -= p * log2(p);
}
}
entropyCache[make_tuple(start, end)] = ventropy;
entropyCache[{start, end}] = ventropy;
return ventropy;
}
precision_t Metrics::informationGain(size_t start, size_t cut, size_t end)