@article{douzalchouakria:hal-00659996, TITLE = {{Principal Component Analysis for Interval-Valued Observations}}, AUTHOR = {Douzal-Chouakria, Ahlame and Billard, Lynne and Diday, Edwin}, URL = {https://hal.archives-ouvertes.fr/hal-00659996}, JOURNAL = {{Statistical Analysis and Data Mining}}, VOLUME = {4}, NUMBER = {2}, PAGES = {229-246}, YEAR = {2011}, MONTH = Apr, DOI = {10.1002/sam.10118}, KEYWORDS = {ertices principal components ; vertex contributions ; correlations ; inertia}, HAL_ID = {hal-00659996}, HAL_VERSION = {v1}, }