import matplotlib.pyplot as plt
import numpy as np
xy図
t = np.arange(0, 5, 0.2)
plt.plot(t, t, ‘r–‘, label=’y=x’)
plt.plot(t, t**2, ‘bs’, label=’y=x**2′)
plt.plot(t, t**3, ‘g^’, label=’y=x**3′)
plt.legend()
plt.show()
散布図
x = np.random.rand(50)
y = np.random.rand(50)
sizes = np.random.rand(50) * 100
colors = np.random.rand(50)
plt.scatter(x, y, s=sizes, c=colors)
plt.show
棒グラフ
values = [1, 2, 3, 4, 5, 6]
x_pos = np.arange(len(values))
objects = [‘a’, ‘b’, ‘c’, ‘d’, ‘e’, ‘f’]
plt.bar(x_pos, values)
plt.xticks(x_pos, objects)
plt.show()
円グラフ
rates = [10, 20, 30, 40]
labels = [‘Python’, ‘C++’, ‘Ruby’, ‘Java’]
colors = [‘red’, ‘green’, ‘yellow’, ‘blue’]
plt.pie(rates, labels=labels, colors=colors, autopct=’%1.1f%%’)
plt.axis(‘equal’)
plt.show()