use matplotlib to draw scatter plot】的更多相关文章

There are many pionts in this kind of table. How to do it? We can use scatter() to draw it. Code: import matplotlib.pyplot as plt plt.scatter(1,4) plt.show() The result :     now,we can use scatter() to draw many pionts.Just like this: code: import m…
Scatter plots, sometimes also known as bubble charts, are another common type of visualization. They’re extremely versatile thanks to their ability to display multiple dimensions of data simultaneously using x and y position, opacity, color, and even…
Matplotlib里有两种画散点图的方法,一种是用ax.plot画,一种是用ax.scatter画. 一. 用ax.plot画 ax.plot(x,y,marker="o",color="black") 二. 用ax.scatter画 ax.scatter(x,y,marker="o",s=sizes,c=colors) ax.plot和ax.scatter的区别: ax.plot:各散点彼此复制,因此整个数据集中所有的点只需配置一次颜色和大小…
目录 前言 (一)plt.plot()函数的本质 ==1.说明== ==2.源代码== ==3.展示效果== (二)plt.plot()函数缺省x时 ==1.说明== ==2.源代码== ==3.展示效果== (三)颜色控制符 (四)线形控制符 ==1.说明== ==2.源代码== ==3.输出效果== (五)点的类型控制符 ==1.普通点类型== ==2.三角点== ==3.三叉点== ==4.多边形点== ==5.其他形状点== ==注:三种控制符可以单独使用,也可以组合使用== (六)风格…
Sploe = 2: means that SPY move up 1, ABC move up 2 Correlation: how close those dots close to the line. def scatter(df): plot_data(df, title="Data frame", yLabel="Time") plt.show() dr = compute_daily_return(df) plot_data(dr, title=&quo…
1.二维散点图 二维散点图的函数原型: matplotlib.pyplot.scatter(x, y, s=None, c=None, marker=None, cmap=None, norm=None, vmin=None, vmax=None, alpha=None, linewidths=None, verts=None, edgecolors=None, hold=None, data=None, **kwargs) x, y对应了平面点的位置, s控制点大小, c对应颜色指示值,也就是…
scatter(x, y, s=None, c=None, marker=None, cmap=None, norm=None, vmin=None, vmax=None, alpha=None, linewidths=None, verts=None, edgecolors=None, hold=None, data=None, **kwargs) x,y:输入数据,array_like,shape(n,) s:点的大小 标量或array_like,shape(n,),可选 大小以点数^ 2.…
import matplotlib.pyplot as plt lena = mpimg.imread(r'C:\Users\Administrator.WIN-QV9HPTF0DHS\Desktop\Project\GA\GAutomator\screenshot\btn_close_1527581659.png') # 读取和代码处于同一目录下的 lena.png# 此时 lena 就已经是一个 np.array 了,可以对它进行任意处理plt.scatter(50, 45, color='…
Up until now we've just looked at bar charts. A handy chart, no doubt, but D3 offers a variety of charts you can work with. In this lesson we'll convert the bar chart into a basic scatter (or bubble) chart. <!DOCTYPE html> <html> <head lang…
代码: # -*- coding: utf-8 -*- """ Created on Thu Jul 12 16:37:47 2018 @author: zhen """ """ 分块展示,包括:线图,柱状图,箱线图,点图 """ from matplotlib.pyplot import * x = [1, 2, 3, 4] y = [5, 4, 3, 2] # create new…