Python学习 Day13
学习matplotlib和numpy入门。
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd
import random
fig = plt.figure(figsize=(20,8),dpi=80)
x = range(120)
x = range(2,26,2)
y = [15,13,14.5,17,20,25,26,26,24,22,18,15]
plt.plot(x,y)
plt.xticks(x)
plt.xticks(x[::2])
plt.savefig("./sig_size.png")
plt.show()
import numpy as np
import matplotlib.pyplot as plt
import pandas as pd
import random
from matplotlib import font_manager
fig = plt.figure(figsize=(20,8),dpi=80)
x = range(120)
random.seed(10) #设置随机种子，让不同时候随机的得到的结果都一样
y = [random.uniform(20,35) for i in range(120)]
plt.plot(x,y,color='r',linestyle='--',linewidth=5,alpha=0.5)
_x_ticks = ["10点{}分".format(i) for i in x if i<60]
_x_ticks += ["11点{}分".format(i-60) for i in x if i>60]
my_font = font_manager.FontProperties(fname="/System/Library/Fonts/PingFang.ttc")
plt.xticks(x[::5],_x_ticks[::5],rotation=90,fontproperties=my_font)
plt.xlabel("时间",fontproperties=my_font) #设置y轴的label
plt.ylabel("温度(C)",fontproperties=my_font)#设置y轴的 label
plt.title("10点到12点每分钟的时间变化情况",fontproperties=my_font)#设置title
plt.show()
from matplotlib import pyplot as plt
plt.rcParams['font.sans-serif']=['SimHei'] #用来正常显示中文标签
plt.rcParams['axes.unicode_minus']=False #用来正常显示负号
y = [1,0,1,1,2,4,3,2,3,4,4,5,6,5,4,3,3,1,1,1]
x = range(11,31)
#设置图形大小
plt.figure(figsize=(20,8),dpi=80)
plt.plot(x,y)
#设置字体
my_font = font_manager.FontProperties(fname="/System/Library/Fonts/PingFang.ttc")
#设置x轴刻度
_xtick_labels = ["{}岁".format(i) for i in x]
plt.xticks(x,_xtick_labels,fontproperties=my_font)
plt.yticks(range(0,9),fontproperties=my_font)
#绘制网格
plt.grid(alpha=0.1)
#展示
plt.show()
import matplotlib.pyplot as plt
import matplotlib.font_manager
a = [1, 0, 1, 1, 2, 4, 3, 2, 3, 4, 4, 5, 6, 5, 4, 3, 3, 1, 1, 1]
b = [1, 0, 3, 1, 2, 2, 3, 3, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
x = range(11, 31)
myfont = matplotlib.font_manager.FontProperties(fname="/System/Library/Fonts/PingFang.ttc")
fig = plt.figure(figsize=(20, 8), dpi=70)
plt.plot(x, a, label='自己', linestyle='--', c='cyan')
plt.plot(x, b, label='同桌', c='r', linestyle='-')
plt.legend(prop=myfont, loc=0)
plt.grid(alpha=0.8, linestyle=':', c='orange')
_xticks = list('{}岁'.format(i) for i in x)
plt.xticks(x, _xticks, rotation=45, fontproperties=myfont)
plt.xticks()
plt.show()
from matplotlib import pyplot as plt
#plt.rcParams['font.sans-serif']=['SimHei'] #用来正常显示中文标签
#plt.rcParams['axes.unicode_minus']=False #用来正常显示负号
myfont = matplotlib.font_manager.FontProperties(fname="/System/Library/Fonts/PingFang.ttc")
y_3 = [11,17,16,11,12,11,12,6,6,7,8,9,12,15,14,17,18,21,16,17,20,14,15,15,15,19,21,22,22,22,23]
y_10 = [26,26,28,19,21,17,16,19,18,20,20,19,22,23,17,20,21,20,22,15,11,15,5,13,17,10,11,13,12,13,6]
x_3 = range(1,32)
x_10 = range(51,82)
#设置图形大小
plt.figure(figsize=(20,8),dpi=80)
#使用scatter方法绘制散点图,和之前绘制折线图的唯一区别
plt.scatter(x_3,y_3,label="3月份")
plt.scatter(x_10,y_10,label="10月份")
#调整x轴的刻度
_x = list(x_3)+list(x_10)
_xtick_labels = ["3月{}日".format(i) for i in x_3]
_xtick_labels += ["10月{}日".format(i-50) for i in x_10]
plt.xticks(_x[::3],_xtick_labels[::3],rotation=45)
#添加图例
plt.legend(loc="upper left",prop=myfont)
#添加描述信息
plt.xlabel("时间",fontproperties=myfont)
plt.ylabel("温度",fontproperties=myfont)
plt.title("标题",fontproperties=myfont)
#展示
plt.show()
# coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="/System/Library/Fonts/Hiragino Sans GB.ttc")
y_3 = [11,17,16,11,12,11,12,6,6,7,8,9,12,15,14,17,18,21,16,17,20,14,15,15,15,19,21,22,22,22,23]
y_10 = [26,26,28,19,21,17,16,19,18,20,20,19,22,23,17,20,21,20,22,15,11,15,5,13,17,10,11,13,12,13,6]
x_3 = range(1,32)
x_10 = range(51,82)
#设置图形大小
plt.figure(figsize=(20,8),dpi=80)
#使用scatter方法绘制散点图,和之前绘制折线图的唯一区别
plt.scatter(x_3,y_3,label="3月份")
plt.scatter(x_10,y_10,label="10月份")
#调整x轴的刻度
_x = list(x_3)+list(x_10)
_xtick_labels = ["3月{}日".format(i) for i in x_3]
_xtick_labels += ["10月{}日".format(i-50) for i in x_10]
plt.xticks(_x[::3],_xtick_labels[::3],fontproperties=my_font,rotation=45)
#添加图例
plt.legend(loc="upper left",prop=my_font)
#添加描述信息
plt.xlabel("时间",fontproperties=my_font)
plt.ylabel("温度",fontproperties=my_font)
plt.title("标题",fontproperties=my_font)
#展示
plt.show()
#有错误的
from matplotlib import pyplot as plt
plt.rcParams['font.sans-serif']=['SimHei'] #用来正常显示中文标签
plt.rcParams['axes.unicode_minus']=False #用来正常显示负号
a = ["战狼2","速度与激情8","功夫瑜伽","西游伏妖篇","变形金刚5：最后的骑士","摔跤吧！爸爸","加勒比海盗5：死无对证","金刚：骷髅岛","极限特工：终极回归","生化危机6：终章","乘风破浪","神偷奶爸3","智取威虎山","大闹天竺","金刚狼3：殊死一战","蜘蛛侠：英雄归来","悟空传","银河护卫队2","情圣","新木乃伊",]
b=[56.01,26.94,17.53,16.49,15.45,12.96,11.8,11.61,11.28,11.12,10.49,10.3,8.75,7.55,7.32,6.99,6.88,6.86,6.58,6.23]
#设置图形大小
plt.figure(figsize=(20,15),dpi=80)
#绘制条形图
plt.bar(range(len(a)),b,width=0.3)
#设置字符串到x轴
plt.xticks(range(len(a)),a,rotation=90)
plt.savefig("./movie.png")
plt.show()
#绘制横着的条形图
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="/System/Library/Fonts/Hiragino Sans GB.ttc")
a = ["战狼2","速度与激情8","功夫瑜伽","西游伏妖篇","变形金刚5：最后的骑士","摔跤吧！爸爸","加勒比海盗5：死无对证","金刚：骷髅岛","极限特工：终极回归","生化危机6：终章","乘风破浪","神偷奶爸3","智取威虎山","大闹天竺","金刚狼3：殊死一战","蜘蛛侠：英雄归来","悟空传","银河护卫队2","情圣","新木乃伊",]
b=[56.01,26.94,17.53,16.49,15.45,12.96,11.8,11.61,11.28,11.12,10.49,10.3,8.75,7.55,7.32,6.99,6.88,6.86,6.58,6.23]
#设置图形大小
plt.figure(figsize=(20,8),dpi=80)
#绘制条形图
plt.barh(range(len(a)),b,height=0.3,color="orange")
#设置字符串到x轴
plt.yticks(range(len(a)),a,fontproperties=my_font)
plt.grid(alpha=0.3)
# plt.savefig("./movie.png")
plt.show()
# coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="/System/Library/Fonts/Hiragino Sans GB.ttc")
a = ["战狼2","速度与激情8","功夫瑜伽","西游伏妖篇","变形金刚5：最后的骑士","摔跤吧！爸爸","加勒比海盗5：死无对证","金刚：骷髅岛","极限特工：终极回归","生化危机6：终章","乘风破浪","神偷奶爸3","智取威虎山","大闹天竺","金刚狼3：殊死一战","蜘蛛侠：英雄归来","悟空传","银河护卫队2","情圣","新木乃伊",]
b=[56.01,26.94,17.53,16.49,15.45,12.96,11.8,11.61,11.28,11.12,10.49,10.3,8.75,7.55,7.32,6.99,6.88,6.86,6.58,6.23]
#设置图形大小
plt.figure(figsize=(20,15),dpi=80)
#绘制条形图
plt.bar(range(len(a)),b,width=0.3)
#设置字符串到x轴
plt.xticks(range(len(a)),a,fontproperties=my_font,rotation=90)
plt.savefig("./movie.png")
plt.show()
# coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
interval = [0,5,10,15,20,25,30,35,40,45,60,90]
width = [5,5,5,5,5,5,5,5,5,15,30,60]
quantity = [836,2737,3723,3926,3596,1438,3273,642,824,613,215,47]
print(len(interval),len(width),len(quantity))
#设置图形大小
plt.figure(figsize=(20,8),dpi=80)
plt.bar(interval,quantity,width=width)
#设置x轴的刻度
temp_d = [5]+ width[:-1]
_x = [i-temp_d[interval.index(i)]*0.5 for i in interval]
plt.xticks(_x,interval)
plt.grid(alpha=0.4)
plt.show()
# coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
interval = [0,5,10,15,20,25,30,35,40,45,60,90]
width = [5,5,5,5,5,5,5,5,5,15,30,60]
quantity = [836,2737,3723,3926,3596,1438,3273,642,824,613,215,47]
print(len(interval),len(width),len(quantity))
#设置图形大小
plt.figure(figsize=(20,8),dpi=80)
plt.bar(range(12),quantity,width=1)
#设置x轴的刻度
_x = [i-0.5 for i in range(13)]
_xtick_labels = interval+[150]
plt.xticks(_x,_xtick_labels)
plt.grid(alpha=0.4)
plt.show()