Created
September 22, 2018 03:20
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isitlab1
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import numpy as np | |
from sklearn.tree import DecisionTreeClassifier | |
from sklearn.model_selection import train_test_split | |
imported_data = [] | |
for line in open('transfusion.data', 'r'): | |
line = line.split(",") | |
line = map(int,line) | |
imported_data.append(line) | |
all_data = np.array(imported_data) | |
X = all_data[:,:4] | |
y = all_data[:,4] | |
X_train, X_test, y_train, y_test = train_test_split(X,y, train_size=0.8) | |
clf = DecisionTreeClassifier().fit(X_train, y_train) | |
y_predicted = clf.predict(X_test) | |
print y_predicted | |
guessed_num = 0 | |
for ind in range(0,len(y_predicted)): | |
if y_predicted[ind] == y_test[ind]: | |
guessed_num += 1 | |
print "TOTAL:", len(y_test) | |
print "guessed:", guessed_num | |
print "accuracy:", 1.0*guessed_num/len(y_test) |
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