|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||
java.lang.Objectweka.classifiers.functions.supportVector.Kernel
weka.classifiers.functions.supportVector.CachedKernel
public abstract class CachedKernel
Base class for RBFKernel and PolyKernel that implements a simple LRU. (least-recently-used) cache if the cache size is set to a value > 0. Otherwise it uses a full cache.
| Method Summary | |
|---|---|
void |
clean()
Frees the cache used by the kernel. |
double |
eval(int id1,
int id2,
Instance inst1)
Implements the abstract function of Kernel using the cache. |
int |
numCacheHits()
Returns the number of cache hits on dot products. |
int |
numEvals()
Returns the number of time Eval has been called. |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
public double eval(int id1,
int id2,
Instance inst1)
throws java.lang.Exception
eval in class Kernelid1 - the index of the first instance in the datasetid2 - the index of the second instance in the dataset
java.lang.Exceptionpublic int numEvals()
numEvals in class Kernelpublic int numCacheHits()
numCacheHits in class Kernelpublic void clean()
clean in class Kernel
|
||||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | |||||||||