我正在使用以下脚本来绘制概率密度曲线,但它仅将直方图显示为密度的函数。有人可以向我建议如何获得概率密度曲线。
from matplotlib import pyplot
from numpy.random import normal
from numpy import mean[enter image description here][1]
from numpy import std
from scipy.stats import norm
data = pd.read_csv("a.txt", sep='\t',header=None)
sample = data[0]
sample_mean = mean(sample)
sample_std = std(sample)
dist = norm(sample_mean, sample_std)
values = [value for value in range(0, 1)]
probabilities = [dist.pdf(value) for value in values]
pyplot.hist(sample, bins=10, density=True)
plt.xlim(0,1)
pyplot.plot(values, probabilities, 'r')
pyplot.show()