BAEL-3781: Fix Slope One implementation (#8570)

2020-01-23 23:43:48 +01:00
parent 51b92a3154
commit 23a8c9e0c1
1 changed files with 1 additions and 1 deletions
--- a/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/SlopeOne.java
+++ b/algorithms-miscellaneous-2/src/main/java/com/baeldung/algorithms/slope_one/SlopeOne.java
@@ -98,7 +98,7 @@ public class SlopeOne {
            for (Item j : InputData.items) {
                if (e.getValue().containsKey(j)) {
                    clean.put(j, e.getValue().get(j));
-                } else {
+                } else if (!clean.containsKey(j)) {
                    clean.put(j, -1.0);
                }
            }