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				           		对回归模型进行参数估计时,常用的两种重要方法是普通最小二乘法和最大似然法。
						        					            	 We often estimate the return model parameter by ordinary least squares and maximum likelihood.
								    										 
								    				            	 youdao 
- 
				           		对回归模型进行参数估计时,常用的两种重要方法是普通最小二乘法和最大似然法。
						        					            	 We often estimate the return model parameter by ordinary least squares and maximum likelihood.
								    										 
								    				            	 youdao