Clustering Time Series

/*--------------------------------------------------------------

                    SAS Sample Library

        Name: smyex05.sas
 Description: Example program from SAS/ETS User's Guide,
              The SIMILARITY Procedure
       Title: Clustering Time Series
     Product: SAS/ETS Software
        Keys: similarity measures, time-stamped data, clustering
        PROC: SIMILARITY
       Notes:

--------------------------------------------------------------*/
ods graphics on;

proc similarity data=sashelp.applianc out=_null_ outsum=simmatrix;
   target units_1--units_24 / measure=mabsdev normalize=absolute;
run;

proc cluster data=simmatrix(drop=_status_) outtree=tree method=ward plots=dendrogram;
   id _input_;
run;