# Decision Matrix Summing

by Eugene
(Kigali)

How do you arrive at the totals both horizontally and vertically in the decision matrix table?

### Comments for Decision Matrix Summing

 Nov 14, 2009 Summing The Decision Matrix by: Dee Reavis The decision matrix does not total down. The numbers along the bottom are the weights assigned to each factor. So if all the weights were 1, then the factors would sum to the right. However, if a factor had a weight of 2, then the number assigned to each alternative in that column would be multiplied times 2 before summing. Here is an example: If you look at the example decision matrix @ https://www.business-analysis-made-easy.com/Example-Of-A-Decision-Matrix.html I will show the equation for summing the first row or real estate rentals: 9*4+7*3+5*3+9*2+9*1.5+9*1=112.5

## Weights for a Decision Matrix

by Rotimi

How can I calculate the weights in your decision making matrix?

### Comments for Weights for a Decision Matrix

 Mar 23, 2010 Weights for the Decision Matrix or Pugh Matrix by: Dee Reavis Calculate is not the right word for choosing weights for the decision matrix. The weights are chosen on a qualitative or non-number basis. You would look at the criteria that you have chosen to include in the decision matrix. How important is one criteria versus another. One good way is to rank your criteria. Then assign a relative weight based on your ranking and your feeling of its importance to you or your organization.

## Definition Of Decision Matrix

by Soul
(Philippines)

A decision matrix is an arrangement of qualitative or quantitative values in rows and columns that allows an analyst to systematically identify, analyze, and rate the strength of relationships between sets of information.

### Comments for Definition Of Decision Matrix

 Feb 13, 2010 Decision Matrix Definition by: Dee Reavis Thank you. That is a very good concise definition of a decision matrix.

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