from sklearn.datasets import load_iris import matplotlib.pyplot as plt iris = load_iris() s = iris.data[iris.target == 1, 3] plt.hist(s) plt.show() s is of ndarray type. The specific data are as follows: [1.4 1.5 1.5 1.3 1.5 1.3 1.6 1. 1.3 1.4 1. 1.5...
when using matplotlib to draw a line chart, it is normal to draw it the first time, but the second time it is connected from beginning to end. ...
demand: if there are 1000 pieces of data and 1000 points every day for a total of 1000 days, and if you put the data of 1000 * 100days in a view, you can t see the specific performance of the data intuitively. Is there any way to achieve a similar func...
problem description use matplotlib to draw 3D image curve, but do not know how to fill its closed space with color. Try the fill method in 2D, but it will prompt that it cannot be used in 3D module. related codes def draw3d(yy, zz, y_f, z_f, y_l, z...
print ( " Web page display * ") < H1 > dynamic visualization of define custom toolbar location, web pages < H1 > class TopToolbar (mpld3.plugins.PluginBase): """Plugin for moving toolbar to top of figure"&quo...
I plan to use the grid and then fill it with color in the grid, but I can t do it anyway. how should it be implemented? I referred to the closest example in the official matplotlib documentation, the link , but found that it was quite different . ...
-sharp! usr bin env python -sharp -*- coding: utf-8 -*- -sharp @Time : 18 2 26 12:52 -sharp @Author : AlexZ33 -sharp @File : -sharp @Desc : import numpy as np import matplotlib import matplotlib.pyplot as plt import matplotlib.font_manager as ...
question: recently I was learning the perceptron model and wanted to draw the following picture, but found that the + - sign in the following picture could not be drawn. drawing code from elsewhere, where Perceptron is a class implemented i...
it was an error creating a new canvas in Jupiter notebook. I don t know why? ...
I use pyinstaller to package the environment is python2.7.11,pyinstaller 3.3.1. there are only these two py files manage_utils.py mainform.py.,pyinstaller -F mainform.py, , how did this happen? And the path of program execution seems to have chang...
< H2 > 1. Question: < H2 > like the title, how does the chart displayed by matplotlib.pyplot.show () in pycharm pop up to sciview,? < H2 > 2. Code: < H2 > import matplotlib.pyplot as plt import matplotlib.animation as animation from matplotlib impo...
Environment: mysql 5.7 transaction isolation level repeatable read The current record of table is as follows: : : id = 2 : SQL my question is: why does my session need to be submitted again in order to view the updated data of session II...
how to match floating point exact 1 digits and integers using match ...
nvm install node[ "version "] what else do I need to configure? mine is the windows version. I would like to ask the boss for an answer. Thank you . ...
how does elementui, implement a custom multi-column operable all-select header? I now use createElement to force a column up, but the selected, unselected and partially selected styles here are disgusting enough. The requirement just given is that all ...
topic description I have a city cascade selection function here, but when I use el-cascader, I find that it is very troublesome to deal with loading data on demand, and the government does not provide a brief introduction. I did not find a satisfactor...