مهران نقی زاده قمی

In many situations, we have a guess value regarding the parameter from past investigation or any other sources whatsoever, which is considered as nonsample information or uncertain prior information. ▶ Therefore, we can combine sample information and nonsample information in forming a new estimation approach in the hope that it will perform better than the usual estimator such as maximum likelihood estimator (MLE) or risk-unbiased estimator