17 search results - page 1 / 4 » A Note on Covariances for Categorical Data |
IDEAL
2000
Springer
13 years 8 months ago
2000
Springer
Generalization of the covariance concept is discussed for mixed categorical and numerical data. Gini's definition of variance for categorical data gives us a starting point to...
PAKDD
2005
ACM
13 years 10 months ago
2005
ACM
Covariances from categorical variables are defined using a regular simplex expression for categories. The method follows the variance definition by Gini, and it gives the covaria...
ACL
2008
13 years 6 months ago
2008
This paper proposes a hierarchical text categorization (TC) approach to encoding free-text clinical notes with ICD-9-CM codes. Preliminary experimental result on the 2007 Computat...
AUTOMATICA
2006
13 years 4 months ago
2006
Industrial implementation of model-based control methods, such as model predictive control, is often complicated by the lack of knowledge about the disturbances entering the syste...
ICCV
2007
IEEE
14 years 6 months ago
2007
IEEE
Discriminative methods for visual object category recognition are typically non-probabilistic, predicting class labels but not directly providing an estimate of uncertainty. Gauss...