https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919972#M17909 I was thinking about the outliers but it is just a guess... I couldn't find any documentation either. Thanks for the reply! Tue, 12 Mar 2024 16:51:49 GMT znhnm 2024-03-12T16:51:49Z https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919960#M17907 <P>Hello,</P> <P>&nbsp;</P> <P>I am using the Clustering in VA. When I derive Cluster IDs, I see -1 as the output of the derived variables. What does -1 mean? Thanks!&nbsp;</P> Tue, 12 Mar 2024 15:50:39 GMT https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919960#M17907 znhnm 2024-03-12T15:50:39Z https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919963#M17908 <P>I believe it means that there are missing values for some of the observations.&nbsp;</P> Tue, 12 Mar 2024 16:02:25 GMT https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919963#M17908 Madelyn_SAS 2024-03-12T16:02:25Z https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919972#M17909 I was thinking about the outliers but it is just a guess... I couldn't find any documentation either. Thanks for the reply! Tue, 12 Mar 2024 16:51:49 GMT https://communities.sas.com/t5/SAS-Visual-Analytics/1-cluster-node/m-p/919972#M17909 znhnm 2024-03-12T16:51:49Z