bistcuite / iris-anomaly-detection-knn

Anomaly detection with kNN

anomaly-detection-knn

Anomaly detection with kNN(on iris dataset)

Figure 1

scatter plot of inputs data(sepal length and sepal width)

Figure 2

mean of k-distances of each observation

Figure 3 & 4

detected anomalies(blue:no anomaly,red:anomaly):