An engineering controls systems company will have both suppliers and customers to account for. Customers that buy on credit should be listed as accounts receivable, which are a type of asset.

A multivariate extension of the exponentially weighted moving average (EWMA) control chart is presented, and guidelines given for designing this easy-to-implement multivariate procedure. A comparison ...

This article uses the concept of data depth to introduce several new control charts for monitoring processes of multivariate quality measurements. For any dimension of the measurements, these charts ...