Big and small of residual error and ruleofsign change was observed with inspection method of residual error, and if it had system error or rough error and so on was identified.
采用残余误差观察法观察残差图中各个残余误差大小和符号变化规律,可直接判断有无系统误差。
2
According to the report, titled "Why parents help their children lie to Facebook about age," millions of underage users simply bypass Facebook's age rule and sign up for accounts anyway.