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fix operator precedence bug in F1 computation

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This commit is contained in:
Jonathan Shook 2023-09-09 16:03:43 -05:00
parent be396cceb2
commit 1fdc2b3aa3
1 changed files with 2 additions and 2 deletions
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engine-extensions/src/main/java/io/nosqlbench/engine/extensions/computefunctions/ComputeFunctions.java
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@ -139,7 +139,7 @@ public class ComputeFunctions {
public static double F1(int[] relevant, int[] actual, int k) { public static double F1(int[] relevant, int[] actual, int k) {
double recallAtK = recall(relevant, actual, k); double recallAtK = recall(relevant, actual, k);
double precisionAtK = precision(relevant, actual, k); double precisionAtK = precision(relevant, actual, k);
return 2.0d * ((recallAtK * precisionAtK) / (recallAtK + precisionAtK)); return (2.0d * (recallAtK * precisionAtK)) / (recallAtK + precisionAtK);
} }
public static double F1(long[] relevant, long[] actual) { public static double F1(long[] relevant, long[] actual) {
@ -149,7 +149,7 @@ public class ComputeFunctions {
public static double F1(long[] relevant, long[] actual, int k) { public static double F1(long[] relevant, long[] actual, int k) {
double recallAtK = recall(relevant, actual, k); double recallAtK = recall(relevant, actual, k);
double precisionAtK = precision(relevant, actual, k); double precisionAtK = precision(relevant, actual, k);
return 2.0d * ((recallAtK * precisionAtK) / (recallAtK + precisionAtK)); return (2.0d * (recallAtK * precisionAtK)) / (recallAtK + precisionAtK);
} }
/** /**