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java.lang.Objectweka.classifiers.trees.j48.Stats
Class implementing a statistical routine needed by J48 to compute its error estimate.
| Constructor Summary | |
Stats()
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| Method Summary | |
static double |
addErrs(double N,
double e,
float CF)
Computes estimated extra error for given total number of instances and error using normal approximation to binomial distribution (and continuity correction). |
| Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public Stats()
| Method Detail |
public static double addErrs(double N,
double e,
float CF)
N - number of instancese - observed errorCF - confidence value
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