示例#1
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        float(string[0]) / 10.0,
        float(string[1]) / 10.0,
        float(string[2]) / 10.0,
        float(string[3]) / 10.0
    ]]
    if string[4].rstrip() == "Iris-setosa":
        x += [[1]]
    else:
        x += [[0]]
    testSet += [x]

trainingFile.close()
testFile.close()

#TRAINING
nn.backPropagation(trainingSet, n, 4, nhidden, 1)

#TESTING
p = 0
for x, t in testSet:

    O = nn.evaluate(x)

    if ((1 - O[0]) < 0.1):
        if (t[0] == 1):
            p += 1
    else:
        if (t[0] == 0):
            p += 1

print(str(p) + " out of " + str(len(testSet)) + " tests")
示例#2
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		else:
			x += [[0]]
		testSet += [x]

	trainingFile.close()
	testFile.close()

	errorPlot = []
	mediaX = []
	mediaY = []
	#TRAINING
	if len(sys.argv) > 6 and sys.argv[6] == ".":
		nvalues =[0.5, 0.3, 0.1, 0.05, 0.01]
		for i in range(5):
			for j in range(5):
				nn.backPropagation(trainingSet, nvalues[i] , 2, nhidden, 1)
				if (mediaY == []):
					mediaY = numpy.zeros(len(nn.errorX))
				mediaX = nn.errorX
				mediaY = sumaVector(mediaY, nn.errorY)
			mediaY = [y/5 for y in mediaY]
			errorPlot += [[mediaX,mediaY]]
		print(">>"+str(len(errorPlot)))
		i = 0

		for x,y in errorPlot:
			print(">>")
			print (x)
			print (y)
			plt.plot(x, y, '-', label=str(nvalues[i]))
			i+=1
示例#3
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from nn import NN

nn = NN()

train = [[[0, 0], [0]], [[0, 1], [1]], [[1, 0], [1]], [[1, 1], [0]]]

for x in train:
    print(x)

nn.backPropagation(train, 0.5, 2, 3, 1)

print(nn.evaluate([0, 0]))
print(nn.evaluate([0, 1]))
print(nn.evaluate([1, 0]))
print(nn.evaluate([1, 1]))
示例#4
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        else:
            x += [[0]]
        testSet += [x]

    trainingFile.close()
    testFile.close()

    errorPlot = []
    mediaX = []
    mediaY = []
    #TRAINING
    if len(sys.argv) > 6 and sys.argv[6] == ".":
        nvalues = [0.5, 0.3, 0.1, 0.05, 0.01]
        for i in range(5):
            for j in range(5):
                nn.backPropagation(trainingSet, nvalues[i], 2, nhidden, 1)
                if (mediaY == []):
                    mediaY = numpy.zeros(len(nn.errorX))
                mediaX = nn.errorX
                mediaY = sumaVector(mediaY, nn.errorY)
            mediaY = [y / 5 for y in mediaY]
            errorPlot += [[mediaX, mediaY]]
        print(">>" + str(len(errorPlot)))
        i = 0

        for x, y in errorPlot:
            print(">>")
            print(x)
            print(y)
            plt.plot(x, y, '-', label=str(nvalues[i]))
            i += 1
示例#5
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from nn import NN

nn = NN()

train = [[[0, 0], [0]], [[0, 1], [1]], [[1, 0], [1]], [[1, 1], [0]]]

for x in train:
    print(x)

nn.backPropagation(train, 0.5, 2, 3, 1)

print(nn.evaluate([0, 0]))
print(nn.evaluate([0, 1]))
print(nn.evaluate([1, 0]))
print(nn.evaluate([1, 1]))
示例#6
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#TEST SET
for line in testFile:
	string = line.split(",", 5)
	x = [[float(string[0])/10.0,float(string[1])/10.0,float(string[2])/10.0,float(string[3])/10.0]]
	if string[4].rstrip() == "Iris-setosa":
		x += [[1]]
	else:
		x += [[0]]
	testSet += [x]

trainingFile.close()
testFile.close()

#TRAINING
nn.backPropagation(trainingSet, n, 4, nhidden, 1)

#TESTING
p = 0
for x,t in testSet:
	
	O = nn.evaluate(x)

	if((1 - O[0]) < 0.1):
		if (t[0] == 1):
			p+=1
	else:
		if (t[0] == 0):
			p+=1
	
print(str(p)+" out of "+str(len(testSet))+" tests")