我试图在(0,1)或(0和lees than 1)之间绘制y 我试过很多方法,但是我的柱状图不好,你觉得有吗 你能帮我个忙吗matplotlib.pyplot.ylim(0.0,1)但不起作用
代码是
import numpy
import numpy as np
import matplotlib.pyplot
import pylab
data = []
for j in range(40000):
totalX= 0
totalY = 0
for i in range (5):
# calculate order
X = numpy.random.gamma(5.0)
totalX = totalX+ X
# calculate production
Y = min(7.26, X)
totalY = totalY + Y
# calcculate new inventory
#inventory = inventory + production - order
# if inventory < 0:
# inventory = 0
# calculate fill rate for last 5 orders
fr = float(totalY) / float(totalX)
if fr > 1:
fr = 1
# append FR to dataset
data.append(fr)
matplotlib.pyplot.hist(data, normed = True, bins =30, align = 'right')
#matplotlib.pyplot.xticks(([.75, .80, .85, .90, .95, 1]))
matplotlib.pyplot.xlim(.70, 1.009)
#matplotlib.pyplot.minorticks_on()
matplotlib.pyplot.tick_params(axis='both', length = 10)
matplotlib.pyplot.axvline(numpy.mean(data), color = 'r')
matplotlib.pyplot.xlabel('Fill Rate')
matplotlib.pyplot.ylabel('Probability')
pylab.show()
当你说“我试图在(0,1)之间或(0和lees than 1)之间绘制y”,你的意思是你想让这些条相加为1?在
在这种情况下,你应该考虑更换
与
^{pr2}$如图所示:plotting histograms whose bar heights sum to 1 in matplotlib
注:Normed=True允许您将条形图上的积分等于1(而不是条形图的总和)
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