cs621-lect29-classifiers-2009-10-22
... How are different types of of attributes Problems due to sparsity data? handled? Problem : Probabilities for some values may be zero 1. Discrete-valued : P ( X | Ci ) is according to formula Solution : Laplace smoothing 2. Continous-valued : Assume gaussian distribution. Plug in mean For each attrib ...
... How are different types of of attributes Problems due to sparsity data? handled? Problem : Probabilities for some values may be zero 1. Discrete-valued : P ( X | Ci ) is according to formula Solution : Laplace smoothing 2. Continous-valued : Assume gaussian distribution. Plug in mean For each attrib ...
2. the statistical indicator value chain
... All the source statistical data were assessed for statistical quality and the statistical quality of the fitted models were evaluated using a framework of methods in [4]. The indicator creation involved conducting a principal component analysis on the data matrix according to the statistical factor ...
... All the source statistical data were assessed for statistical quality and the statistical quality of the fitted models were evaluated using a framework of methods in [4]. The indicator creation involved conducting a principal component analysis on the data matrix according to the statistical factor ...
