3.2 FAQ-222 全局拟合和独立拟合之间有什么区别?
Last Update: 7/15/2018
全局拟合 (global fit) 将会同时拟合所有的数据集,并允许在每个数据集的拟合参数之间进行参数共享。独立拟合 (independent fit) 一次只会拟合一个数据集。
对全局设置的数据集(没有参数共享)进行拟合与独立设置的拟合相比通常会得到不同的参数误差,也很可能会得到不同的拟合参数值。这是因为全局拟合是对多条曲线的参数组合进行最小化。
只有当要在数据集的拟合曲线之间共享参数时,才适合(或有必要)使用全局拟合。
Keywords:nonlinear, regression, multiple datasets,非线性,回归,多个数据集
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- FAQ-222 What is the difference between global fit and independent fit?
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