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...
how does react intercept login? only if you log in, you have the right to access the page, similar to the hook function beforeEach provided by vue-router ....
opacity can lighten the original object color (white) but now I want to lighten the original object, but is there a way to achieve the "black " ? I went to opacity and found that he couldn t eat rgba... So it s impossible to change the color at ...
learn from a novice in node.js and want to know how callbacks work. for example, the code for this asynchronous callback: function abc(err, data){ console.log(data.toString()); } require( fs ).readFile(filename,abc); how is this err, data passe...
eslint no longer prompts for errors, but vscode still prompts for errors App ...
add a data-type to button build Why do some users need to enter SMS verification ma to verify when authorizing to obtain a mobile phone number, while others do not? ...