FindProbTables {rWMBAT}R Documentation

Estimates The Probabilities P(class=c|data=D)

Description

Input a training group of data arranged with cases in rows and variables in columns, as well as the class value c for that vector. Each case represents a data vector V. For each possible data value vi, and each variable Vi, it calculates P(C=c|Vi=vi) and stores that result in a 3-D table. The table is arranged with the dimensions (class value, data value, variable number).

Usage

FindProbTables(data, class)

Arguments

data double array of discrete integer values, cases in rows and variables in columns
class double column vector. Classification of each case

Value

3-D array whose (c,d,v) value is P(class=c|data=p) for variable v

Author(s)

Karl Kuschner, Qian Si and William Cooke, College of William and Mary, Dept. of Physics, 2009

References

http://kwkusc.people.wm.edu/dissertation/dissertation.htm

Examples

data(finaldata, traingrpclass) #load the example input data from package
probtable <- FindProbTables(finaldata, traingrpclass)

[Package rWMBAT version 2.0 Index]