then you can compare the two services using simultaneous equations. Based on the answer you get, you’ll know to use Service A for any packages smaller than that, and Service B for any packages ...

In this case the efficiency of the estimation may be improved by taking these cross-equation correlations into account. Seemingly unrelated regression (SUR), also called joint generalized least ...

An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...