Regression is one of the most commonly used statistical techniques. However, testing regression systems a great challenge because absence test oracle in general. In this paper, we show that Metamorphic Testing an effective approach to multiple linear systems. doing so, identify intrinsic mathematical properties regression, and then propose 11 Relations be for testing. Their effectiveness examin...

Abstract – Price forecasting is a part of economic decision making. Forecasting the daily rise and fall gold prices can help investors decide when to buy or sell commodity. The price depends on many factors such as other precious metals, crude oil, performance stock exchange, exchange rate currencies. This study discusses using multiple linear regression method. results this indicate that best ...