diff --git a/client/src/components/pods/anomaly_pod.ts b/client/src/components/pods/anomaly_pod.ts
index 6395958..920cb42 100644
--- a/client/src/components/pods/anomaly_pod.ts
+++ b/client/src/components/pods/anomaly_pod.ts
@@ -8,7 +8,6 @@ import { SegmentsSet } from '@/types/segment_set';
 
 export type UpdateDataCallback = (range: TimeRange) => Promise<{
   timeserie: LineTimeSerie[],
-  hsr: LineTimeSerie[],
   segments: Segment[]
 }>;
 
@@ -21,7 +20,6 @@ export class AnomalyPod extends HasticPod<UpdateDataCallback> {
     segmentSet: SegmentsSet<Segment>
   ) {
     super(el, udc, segmentSet)
-
     this.fetchData();
   }
 
@@ -39,7 +37,6 @@ export class AnomalyPod extends HasticPod<UpdateDataCallback> {
       .then(resp => {
         this.updateSegments(resp.segments);
         this.updateData(resp.timeserie, undefined, true);
-        console.log(resp.hsr);
       })
       .catch(() => { /* set "error" message */ })
   }
diff --git a/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs b/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs
index 094bf1f..c0451c3 100644
--- a/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs
+++ b/server/src/services/analytic_service/analytic_unit/anomaly_analytic_unit.rs
@@ -81,7 +81,7 @@ impl AnalyticUnit for AnomalyAnalyticUnit {
 
         for t in 1..ts.len() {
             let alpha = self.config.alpha;
-            let stv = alpha * ts[t].1 + (1.9 - alpha) * sts[t - 1].1;
+            let stv = alpha * ts[t].1 + (1.0 - alpha) * sts[t - 1].1;
             sts.push((ts[t].0, stv));
         }