本文实例讲述了Python使用pylab库实现绘制直方图功能。分享给大家供大家参考，具体如下：P
本文实例讲述了Python使用pylab库实现绘制直方图功能。分享给大家供大家参考，具体如下：
Python直方图
#!/usr/bin/python
# -*- coding: utf-8 -*-
import pylab as pl
dataFile = "dataList.txt"
tempList = []
with open(dataFile,"r") as data:
for everLine in data:
arrEverLine = [float(index) for index in everLine.split()]
tempList.append(arrEverLine[0])
pl.hist(tempList,100)
pl.xlabel("直方图标题", fontproperties='SimHei')
pl.show()
dataList.txt内容
14 2 1 0.5 0.5 0 1 0.5 1.5 18.5 19 2 2 0.5 1 0 1 0.5 0 21 19.5 2 1.5 2 0 0.5 2 0 1 20 17.5 1.5 1 1.5 2 0 1.5 0 0 18.5 19.5 2 2 2 0.5 0 1 0 0.5 19.5 16.5 2 0.5 1 0 0.5 0.5 0 0.5 19.5 15.5 2 1 1.5 0 0 1 0.5 1 17.5 13.5 1.5 1 1 2 0 2 0.5 2 20 14.5 2 1.5 2 0 0 1 0 2 18.5 16 2 2 1.5 1 0.5 1 0 2 19.5 。。。
输出结果
