The characteristic line of a security or portfolio relates its rate of return to that of a "market portfolio." Several investigators have suggested the desirability of obtaining such a line by ...

A linear programming approximation using the mean absolute deviation can be used to derive efficient E,V farm plans when a suitable quadratic programming computer code is not available. This note ...

The newly developed Huber mean provides a more stable and reliable way to compute averages for data lying on curved geometric ...

In many modern sciences, data often exist on curved geometric spaces rather than flat planes, posing challenges for ...