當前位置: 首頁>>代碼示例>>Python>>正文


Python HIVGraph.removeAllEdges方法代碼示例

本文整理匯總了Python中exp.viroscopy.model.HIVGraph.HIVGraph.removeAllEdges方法的典型用法代碼示例。如果您正苦於以下問題:Python HIVGraph.removeAllEdges方法的具體用法?Python HIVGraph.removeAllEdges怎麽用?Python HIVGraph.removeAllEdges使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在exp.viroscopy.model.HIVGraph.HIVGraph的用法示例。


在下文中一共展示了HIVGraph.removeAllEdges方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: HIVEpidemicModelTest

# 需要導入模塊: from exp.viroscopy.model.HIVGraph import HIVGraph [as 別名]
# 或者: from exp.viroscopy.model.HIVGraph.HIVGraph import removeAllEdges [as 別名]
class  HIVEpidemicModelTest(unittest.TestCase):
    def setUp(self):
        numpy.random.seed(21)
        numpy.set_printoptions(suppress=True, precision=4)
        logging.basicConfig(stream=sys.stdout, level=logging.DEBUG)

        M = 100
        undirected = True
        self.graph = HIVGraph(M, undirected)
        s = 3
        self.gen = scipy.stats.zipf(s)
        hiddenDegSeq = self.gen.rvs(size=self.graph.getNumVertices())
        rates = HIVRates(self.graph, hiddenDegSeq)
        self.model = HIVEpidemicModel(self.graph, rates)
     
    def testSimulate(self):
        T = 1.0

        self.graph.getVertexList().setInfected(0, 0.0)
        self.model.setT(T)

        times, infectedIndices, removedIndices, graph = self.model.simulate(verboseOut=True)

        numInfects = 0
        for i in range(graph.getNumVertices()):
            if graph.getVertex(i)[HIVVertices.stateIndex] == HIVVertices==infected:
                numInfects += 1

        self.assertTrue(numInfects == 0 or times[len(times)-1] >= T)

        #Test with a larger population as there seems to be an error when the
        #number of infectives becomes zero.
        M = 100
        undirected = True
        graph = HIVGraph(M, undirected)
        graph.setRandomInfected(10, 0.95)

        self.graph.removeAllEdges()

        T = 21.0
        hiddenDegSeq = self.gen.rvs(size=self.graph.getNumVertices())
        rates = HIVRates(self.graph, hiddenDegSeq)
        model = HIVEpidemicModel(self.graph, rates)
        model.setRecordStep(10)
        model.setT(T)

        times, infectedIndices, removedIndices, graph = model.simulate(verboseOut=True)
        self.assertTrue((times == numpy.array([0, 10, 20], numpy.int)).all())
        self.assertEquals(len(infectedIndices), 3)
        self.assertEquals(len(removedIndices), 3)

        #TODO: Much better testing
        
    def testSimulate2(self):    
        startDate = 0.0 
        endDate = 100.0 
        M = 1000 
        meanTheta, sigmaTheta = HIVModelUtils.estimatedRealTheta()
        
        undirected = True
        graph = HIVGraph(M, undirected)
        
        alpha = 2
        zeroVal = 0.9
        p = Util.powerLawProbs(alpha, zeroVal)
        hiddenDegSeq = Util.randomChoice(p, graph.getNumVertices())
        
        meanTheta[4] = 0.1        
        
        recordStep = 10 
        printStep = 10
        rates = HIVRates(graph, hiddenDegSeq)
        model = HIVEpidemicModel(graph, rates, endDate, startDate)
        model.setRecordStep(recordStep)
        model.setPrintStep(printStep)
        model.setParams(meanTheta)
        
        initialInfected = graph.getInfectedSet()
        
        times, infectedIndices, removedIndices, graph = model.simulate(True)
        
        #Now test the final graph 
        edges = graph.getAllEdges()
        
        for i, j in edges:
            if graph.vlist.V[i, HIVVertices.genderIndex] == graph.vlist.V[j, HIVVertices.genderIndex] and (graph.vlist.V[i, HIVVertices.orientationIndex] != HIVVertices.bi or graph.vlist.V[j, HIVVertices.orientationIndex] != HIVVertices.bi): 
                self.fail()
                      
        finalInfected = graph.getInfectedSet()
        finalRemoved = graph.getRemovedSet()
        
        self.assertEquals(numpy.intersect1d(initialInfected, finalRemoved).shape[0], len(initialInfected))
        
        #Test case where there is no contact  
        meanTheta = numpy.array([100, 0.95, 1, 1, 0, 0, 0, 0, 0, 0, 0], numpy.float)
        
        times, infectedIndices, removedIndices, graph, model = runModel(meanTheta)

        self.assertEquals(len(graph.getInfectedSet()), 100)
        self.assertEquals(len(graph.getRemovedSet()), 0)
#.........這裏部分代碼省略.........
開發者ID:malcolmreynolds,項目名稱:APGL,代碼行數:103,代碼來源:HIVEpidemicModelTest.py


注:本文中的exp.viroscopy.model.HIVGraph.HIVGraph.removeAllEdges方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。