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==[[TensorFlow]]==
*[[TensorFlow]]
==Irisデータセット==
<pre>
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
url = 'https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data'
df = pd.read_csv(url, header=None, encoding='utf-8')
result = df.tail()
print(result)
y = df.iloc[0:100, 4].values
y = np.where(y == 'Iris-secosa', -1, 1)
X = df.iloc[0:100, [0, 2]].values
plt.scatter(X[:50,0], X[:50,1], color='red', marker='o', label='setosa')
plt.scatter(X[50:100,0], X[50:100, 1], color='blue', marker='x', label='versicolor')
plt.xlabel('sepal length[cm]')
plt.ylabel('petal length[cm]')
plt.legend(loc='upper left')
plt.savefig('03.sample.png') # 画像を保存
plt.show()
</pre>
© 2006 矢木浩人
