Outliers When the euclidean distance is used. outliers can influence the clusters that are found When outliers are present, the resulting cluster centroids may not be as representative as they otherwise would be The sse will be higher as well Because of this it is often useful to discover outliers and eliminate them beforehand 8/20/2016 PATTERN RECOGNITIONOutliers When the Euclidean distance is used, outliers can influence the clusters that are found. When outliers are present, the resulting cluster centroids may not be as representative as they otherwise would be. The SSE will be higher as well. Because of this, it is often useful to discover outliers and eliminate them beforehand. 8/20/2016 PATTERN RECOGNITION 29