View a vendor decision matrix Navigate to Vendor Performance > Vendors > Vendor Decision Matrix. Click a Name. The decision matrix page has these components: Options Filter: Select the subset of vendors for the decision matrix. By default, you can filter by vendor type. Figure 1. Decision Matrix Parameters Scale: Select the display size scale for the decision matrix. The greater the scale, the larger the decision matrix appears. Decision matrix X- and Y-axes: Each axis represents one or more categories, or themes used to evaluate vendors. Plotted items: The labeled points you see on a decision matrix, called plotted items, represent averages of category scores for vendors. Point to a vendor name to view the vendor's rating summary. Click a vendor name to view the vendor scorecard. Figure 2. Vendor Performance Decision Matrix Plotted item rating summariesWhen you point to a vendor name on a decision matrix, a pop-up rating summary displays the vendor's average ratings for each axis.