Ueda T and Y Hoshiai (1997). “Application of Principal Component Analysis for Parsimonious Summarization of DEA Inputs and/or Outputs.” J Oper Res Soc JPN 40(4): 466-478.
Ueda T and Y Hoshiai (1997). “Application of Principal Component Analysis for Parsimonious Summarization of DEA Inputs and/or Outputs.” J Oper Res Soc JPN 40(4): 466-478.