关键词: 主成分估计, 大样本性质

Abstract: The biased estimates proposed to overcome the ill-conditioned of the design matrix has made considerable headway inthe theory and method,which is used extensively in practice. The principal comconent estimate is one of the importantmethods which has been studied by many pepole. The infinite-sample properties of the principal component estimate aregiver in this paper.

Key words: principal component estimate, infinite-sample property.