def readCross(num,type,numtrees):
filename=resultFile+'_'+type+'_'+num+'_all.csv'
loader=CSVLoader()
loader.setSource(File(filename))
data=loader.getDataSet()
#print data.numAttributes()
data.setClassIndex(data.numAttributes()-1)
rf=RF()
rf.setNumTrees(numtrees)
#pred_output = PredictionOutput( classname="weka.classifiers.evaluation.output.prediction.PlainText", options=["-distribution"])
buffer = StringBuffer() # buffer for the predictions
output=PlainText()
output.setHeader(data)
output.setBuffer(buffer)
output.setOutputDistribution(True)
attRange = Range() # attributes to output
outputDistributions = Boolean(True)
evaluator=Evaluation(data)
evaluator.crossValidateModel(rf,data,10, Random(1),[output,attRange,outputDistributions])
print evaluator.toSummaryString()
print evaluator.toClassDetailsString()
print evaluator.toMatrixString()
return [evaluator.weightedPrecision(),evaluator.weightedRecall(),evaluator.weightedFMeasure(),evaluator.weightedMatthewsCorrelation(),evaluator.weightedFalseNegativeRate(),evaluator.weightedFalsePositiveRate(),evaluator.weightedTruePositiveRate(),evaluator.weightedTrueNegativeRate(),evaluator.weightedAreaUnderROC()]
