Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yanagisawa Kazuki and Suzuki Tomoya,Improving Predictive Power and Risk Reduction of Portfolio Models Based on Principal Component Analysis,Journal of Signal Processing,1342-6230,"Research Institute of Signal Processing, Japan",2015,19,4,119-122,https://cir.nii.ac.jp/crid/1390282679440120832,https://doi.org/10.2299/jsp.19.119