Answers for "python pyplot scatter plot of 2 class"

how to do scatter plot in pyplot

import numpy as npimport matplotlib.pyplot as plt
# Create data
N = 500x = np.random.rand(N)
y = np.random.rand(N)
colors = (0,0,0)
area = np.pi*3
# Plot
plt.scatter(x, y, s=area, c=colors, alpha=0.5)
plt.title('Scatter plot pythonspot.com')
plt.xlabel('x')
plt.ylabel('y')
plt.show()

how to scatter plot in matplotlib of two sets

import matplotlib.pyplot as plt
fig = plt.figure()
ax1 = fig.add_subplot(111)
ax1.scatter(x1, y1, s = 10, c = 'b', label = 'elbow')
ax1.scatter(x2, y2, s = 10, c = 'r', label = 'shoulder')
plt.legend(loc='upper left');
plt.show()