TY - JOUR A1 - Demšar, U. A1 - Harris, P. A1 - Brunsdon, C. A1 - Fotheringham, A.S. A1 - McLoone, S. T1 - Principal component analysis on spatial data: An overview Y1 - 2013 DO - 10.1080/00045608.2012.689236 JF - Annals of the Association of American Geographers VL - 103 IS - 1 SP - 106 EP - -128 ER -