how to plot a linear equation in matplotlib
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-5,5,100)
y = 2*x+1
plt.plot(x, y, '-r', label='y=2x+1')
plt.title('Graph of y=2x+1')
plt.xlabel('x', color='#1C2833')
plt.ylabel('y', color='#1C2833')
plt.legend(loc='upper left')
plt.grid()
plt.show()python linear regression
from sklearn.linear_model import LinearRegression
#x, y = np.array([0,1,2,3,4,5])
model = LinearRegression().fit(x.reshape(-1,1), y.reshape(-1,1))
r_sq = model.score(x.reshape(-1,1), y.reshape(-1,1))
q = model.intercept_
m = model.coef_
y_fit = np.array([i*m[0] for i in x]+q[0])Copyright © 2021 Codeinu
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