author = {Liu Chao and Wu Dandan and Qi Jiayue},
title = {{The Real Estate Market Comprehensive Evaluation based on Sparse Principal Component Analysis --- An Example of Beijing}},
language = {chinese},
journal = {ECONOMIC RESEARCH GUIDE},
volume = {No.30.2012},
number = {Serial No.176},
pages = {158--160},
isbn_issn = {1673-291X(2012) 30-0158-03},
year = {2012},
refereed = {yes},
length = {3}