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java.lang.Objectprea.data.splitter.DataSplitManager
prea.data.splitter.PredefinedSplit
public class PredefinedSplit
When a predefined split file is available, this class helps to split train/test set as defined in the file. This can be used for verifying implementation of new CF algorithm.
Field Summary |
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Fields inherited from class prea.data.splitter.DataSplitManager |
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itemCount, itemRateAverage, K_FOLD_CROSS_VALIDATION, maxValue, minValue, PREDEFINED_SPLIT, rateMatrix, SIMPLE_SPLIT, testMatrix, userCount, userRateAverage |
Constructor Summary | |
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PredefinedSplit(SparseMatrix originalMatrix,
java.lang.String splitFileName,
int max,
int min)
Construct an instance for splitter with predefined split file. |
Method Summary | |
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private void |
readSplitData(java.lang.String fileName)
Split the rating matrix into train and test set, by given split data file. |
Methods inherited from class prea.data.splitter.DataSplitManager |
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calculateAverage, getItemRateAverage, getTestMatrix, getUserRateAverage, recoverTestItems |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PredefinedSplit(SparseMatrix originalMatrix, java.lang.String splitFileName, int max, int min)
Method Detail |
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private void readSplitData(java.lang.String fileName)
fileName
- the name of split data file.
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