creates multiple sets of training and test data . should be used when we need to create multiple test files for the same tests . concode_field_sep String evaluationDataDir concode_elem_sep String trainingFilenamePrefix concode_elem_sep String testFilenamePrefix concode_elem_sep Dataset dataset concode_field_sep String getTestFilenamePrefix concode_elem_sep String getTrainingFilenamePrefix concode_elem_sep List<Rating> loadTrainingRatings concode_elem_sep boolean testDataExist concode_elem_sep boolean testDataExist concode_elem_sep List<Rating> removeRatings concode_elem_sep String createFilename concode_elem_sep void saveRatings concode_elem_sep void setTrainingFilenamePrefix concode_elem_sep void createData concode_elem_sep void createData concode_elem_sep void removeFile concode_elem_sep void removeTestData concode_elem_sep void removeTestData concode_elem_sep List<Rating> loadTestRatings concode_elem_sep String getEvaluationDataDir concode_elem_sep void setEvaluationDataDir concode_elem_sep void setTestFilenamePrefix
void function ( int arg0 , int arg1 ) { if ( ! testDataExist ( arg0 , arg1 ) ) { createData ( arg0 , arg1 ) ; } }