day2 matplotlib绘图
双折线图
#coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="/usr/share/fonts/simhei.ttf")
label_font = font_manager.FontProperties(fname="/usr/share/fonts/simhei.ttf", size=20)
y_1 = [1,0,1,1,2,4,3,2,3,4,4,5,6,5,4,3,3,1,1,1]
y_2 = [1,0,3,1,2,2,3,3,2,1 ,2,1,1,1,1,1,1,1,1,1]
x = range(11,31)
plt.figure(figsize=(15,8),dpi=80)
plt.plot(x,y_1, color="#00CED1" ,label="自己")
plt.plot(x,y_2, linestyle="--",color="#B8860B" ,label="同桌")
_t = list(x)
_t_label = ["{}岁".format(i) for i in range(11,31)]
plt.xticks(_t, _t_label, fontproperties = my_font)
plt.xlabel("年龄", fontproperties = label_font)
plt.ylabel("交往人数", fontproperties = label_font)
plt.legend( prop=label_font, loc="upper left")
plt.grid( alpha= 0.1)
结果如下
散点图
#coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="/usr/share/fonts/simhei.ttf")
label_font = font_manager.FontProperties(fname="/usr/share/fonts/simhei.ttf", size=20)
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_4 = [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]
plt.figure(figsize=(20,8),dpi=80)
x_3 = range(1,32)
x_4 = range(51,82)
len(x_4)
plt.scatter(x_3,y_3, label="3月")
plt.scatter(x_4,y_4, label="10月")
#调整x轴
_x = list(x_3) + list(x_4)
_x_label = ["3月{}日".format(i) for i in x_3 ]
_x_label += ["10月{}日".format(i-50) for i in x_4 ]
plt.xticks(_x[::3], _x_label[::3], fontproperties = my_font, rotation=45)
#添加描述信息
plt.xlabel("时间", fontproperties = label_font)
plt.ylabel("温度", fontproperties = label_font)
plt.legend( prop=label_font, loc="upper left")
结果如下
直方图
#coding=utf-8
from matplotlib import pyplot as plt
from matplotlib import font_manager
my_font = font_manager.FontProperties(fname="/usr/share/fonts/simhei.ttf")
label_font = font_manager.FontProperties(fname="/usr/share/fonts/simhei.ttf", size=20)
a=[131, 98, 125, 131, 124, 139, 131, 117, 128, 108, 135, 138, 131, 102, 107, 114, 119, 128, 121, 142, 127, 130, 124, 101, 110, 116, 117, 110, 128, 128, 115, 99, 136, 126, 134, 95, 138, 117, 111,78, 132, 124, 113, 150, 110, 117, 86, 95, 144, 105, 126, 130,126, 130, 126, 116, 123, 106, 112, 138, 123, 86, 101, 99, 136,123, 117, 119, 105, 137, 123, 128, 125, 104, 109, 134, 125, 127,105, 120, 107, 129, 116, 108, 132, 103, 136, 118, 102, 120, 114,105, 115, 132, 145, 119, 121, 112, 139, 125, 138, 109, 132, 134,156, 106, 117, 127, 144, 139, 139, 119, 140, 83, 110, 102,123,107, 143, 115, 136, 118, 139, 123, 112, 118, 125, 109, 119, 133,112, 114, 122, 109, 106, 123, 116, 131, 127, 115, 118, 112, 135,115, 146, 137, 116, 103, 144, 83, 123, 111, 110, 111, 100, 154,136, 100, 118, 119, 133, 134, 106, 129, 126, 110, 111, 109, 141,120, 117, 106, 149, 122, 122, 110, 118, 127, 121, 114, 125, 126,114, 140, 103, 130, 141, 117, 106, 114, 121, 114, 133, 137, 92,121, 112, 146, 97, 137, 105, 98, 117, 112, 81, 97, 139, 113,134, 106, 144, 110, 137, 137, 111, 104, 117, 100, 111, 101, 110,105, 129, 137, 112, 120, 113, 133, 112, 83, 94, 146, 133, 101,131, 116, 111, 84, 137, 115, 122, 106, 144, 109, 123, 116, 111,111, 133, 150]
d = 3
plt.figure(figsize=(20,8),dpi=80)
bin_num = (max(a)-min(a))//d
plt.hist(a,bin_num)
plt.xticks(range(min(a),max(a)+d,d))
plt.grid()
结果如下：
