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[apps] Use sumOfOccurrences() in statistics/store.cpp

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This commit is contained in:
Léa Saviot
2018-05-21 12:10:34 +02:00
parent 9e47b62775
commit 600f5307c4
1 changed files with 6 additions and 6 deletions
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12
apps/statistics/store.cpp
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@@ -107,12 +107,12 @@ double Store::range() {
}
double Store::mean() {
return sum()/sumOfColumn(1);
return sum()/sumOfOccurrences();
}
double Store::variance() {
double m = mean();
return squaredValueSum()/sumOfColumn(1) - m*m;
return squaredValueSum()/sumOfOccurrences() - m*m;
}
double Store::standardDeviation() {
@@ -120,18 +120,18 @@ double Store::standardDeviation() {
}
double Store::sampleStandardDeviation() {
double n = sumOfColumn(1);
double n = sumOfOccurrences();
double s = std::sqrt(n/(n-1.0));
return s*standardDeviation();
}
double Store::firstQuartile() {
int firstQuartileIndex = std::ceil(sumOfColumn(1)/4);
int firstQuartileIndex = std::ceil(sumOfOccurrences()/4);
return sortedElementNumber(firstQuartileIndex);
}
double Store::thirdQuartile() {
int thirdQuartileIndex = std::ceil(3*sumOfColumn(1)/4);
int thirdQuartileIndex = std::ceil(3*sumOfOccurrences()/4);
return sortedElementNumber(thirdQuartileIndex);
}
@@ -140,7 +140,7 @@ double Store::quartileRange() {
}
double Store::median() {
int total = sumOfColumn(1);
int total = sumOfOccurrences();
int halfTotal = total/2;
int totalMod2 = total - 2*halfTotal;
if (totalMod2 == 0) {