Ordinal Pattern
Ordinal pattern analysis focuses on data exhibiting inherent order, rather than purely numerical values, aiming to leverage this structure for improved classification, prediction, and understanding of complex systems. Current research emphasizes developing novel loss functions and algorithms, including deep learning architectures and adaptations of existing methods like Archetypal Analysis, to effectively handle ordinal data in various applications. This field is significant because it allows for more nuanced analysis of data with inherent rankings, improving the accuracy and interpretability of models across diverse domains such as medical image analysis, solar flare forecasting, and human behavior modeling.
Papers
Best of Both Distortion Worlds
Vasilis Gkatzelis, Mohamad Latifian, Nisarg Shah
A generalized framework to predict continuous scores from medical ordinal labels
Katharina V. Hoebel, Andreanne Lemay, John Peter Campbell, Susan Ostmo, Michael F. Chiang, Christopher P. Bridge, Matthew D. Li, Praveer Singh, Aaron S. Coyner, Jayashree Kalpathy-Cramer