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我想绘制alpha = 29(scale)和beta = 3(大小)的gamma分布。换句话说,我想绘制Gamma(29,3)的pdf。如果根据documentation,我如何做到这一点,python gamma函数只有参数a和x,并且size参数不存在?如何绘制python中的alpha和beta参数的gamma分布
我以为loc
是测试版,但我认为它实际上抵消,所以下面的代码是错误的...
import numpy as np
import scipy.stats as stats
from matplotlib import pyplot as plt
x = np.linspace (0, 100, 200)
y1 = stats.gamma.pdf(x, a=29, loc=3) #a is alpha, loc is beta???
plt.plot(x, y1, "y-", label=(r'$\alpha=29, \beta=3$'))
plt.ylim([0,0.08])
plt.xlim([0,150])
plt.show()