public void FilterArff(weka.filters.Filter filter, string append = Parameters.NewFileAppend) { if (TestParameters.UseFilter) { Instances origInstances = m_trainInstances; filter.setInputFormat(origInstances); if (origInstances != null && origInstances.numInstances() > 0) { m_trainInstancesNew = weka.filters.Filter.useFilter(origInstances, filter); } origInstances = m_testInstances; if (origInstances != null && origInstances.numInstances() > 0) { m_testInstancesNew = weka.filters.Filter.useFilter(origInstances, filter); } if (TestParameters.SaveDataFile) { string newFileName = GetArffFileName(true, m_currentDealType.ToString(), append); string testNewFileName = GetArffFileName(false, m_currentDealType.ToString(), append); if (!System.IO.File.Exists(newFileName) && m_trainInstancesNew != null && m_trainInstancesNew.numInstances() > 0) { WekaUtils.SaveInstances(m_trainInstancesNew, newFileName); } if (!System.IO.File.Exists(testNewFileName) && m_testInstancesNew != null && m_testInstancesNew.numInstances() > 0) { WekaUtils.SaveInstances(m_testInstancesNew, testNewFileName); } } } else { m_trainInstancesNew = m_trainInstances; m_testInstancesNew = m_testInstances; } }