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【 以下文字转载自 Statistics 讨论区 】 发信人: on (一瞬), 信区: Statistics 标 题: SAS: does it have this feature? 发信站: BBS 未名空间站 (Fri Feb 26 00:08:22 2010, 美东) Want to estimate a model by Generalized Least Square, i.e., assuming the error term has heteroscedsticity. The covariance matrix of the error is known. I thought this is fairly standard method, but couldn't find anything from SAS users' guide. Does anyone know SAS has a procedure to do this? thanks.
【在 on 的大作中提到】 : 【 以下文字转载自 Statistics 讨论区 】 : 发信人: on (一瞬), 信区: Statistics : 标 题: SAS: does it have this feature? : 发信站: BBS 未名空间站 (Fri Feb 26 00:08:22 2010, 美东) : Want to estimate a model by Generalized Least Square, i.e., assuming the : error term has heteroscedsticity. The covariance matrix of the error is : known. I thought this is fairly standard method, but couldn't find anything : from SAS users' guide. : Does anyone know SAS has a procedure to do this? thanks.