[Numpy-discussion] Maximum-margin linear classifier

Mohan Radhakrishnan radhakrishnan.mohan at gmail.com
Sun Nov 30 02:36:08 EST 2014


Hi,
       I am a beginner.

I have 4 points and wish to plot the classifier separation line. I believe
this code without the plot is correct.

Can I look at sample plotting code(with basic explanation) for this simple
SVM ?

X = [[3,3], [7,2], [5,4], [8,3]]

Y = [-1, -1, 1, 1]

clf = svm.SVC(kernel='linear',C=2)

clf.fit(X,Y)


for i in range(4):

    x = np.array(X[i])[0]*clf.coef_[0][0] + np.array(X[i])[1]*clf.coef_[0][1]
+ clf.intercept_;

    print x


print clf.intercept_

print clf.coef_

Thanks,
Mohan
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