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segmentation situation. The red part is the process of running the program.11, continue to write code, the frequency of the statistical summary, the code implementation as shown.12, the program run, get a TXT and Excel file, inside is about the word frequency statistics information, as shown. The red part is the result of the program running, and there is no error.13. Import these keywords into WordArt for visualization, as shown in.14, set a case, f
Matplotlib Brief Description: Matplotlib is a desktop drawing package for creating high-quality charts (mainly 2D). The project was launched by John Hunter in 2002 to build a MATLAB-style drawing interface for Python. If you use a Python IDE, such as Pycharm,matplotlib, you also have interactive features such as zoom and pan. It not only supports many different GUI backend on various operating systems, but
Echarts Baidu is very famous also very diao.Echarts is Baidu Open source of a data visualization JS library. Mainly used for data visualization.Pyecharts is a class library that is used to generate echarts charts. is actually the butt of echarts and Python.
Url:Https://github.com/chenjiandongx/pyecharts/blob/master/doc
the volumeImport NumPy as NPX=np.random.randint (1,100,100) (generates 100 random integers from 1 to 100)BINS=[0,10,20,30,40,50,60,70,80,90,100] (Specify the range of divisions)Plt.hist (X,bins) (the number of conforming data in this range according to the specified range)Plt.hist (x,bins,rwidth=0.7) (Make bar chart spacing)Plt.show ()To plot a scatter plot:X=np.random.randint (1,10,50) (generates random numbers)Y=np.random.randint (1,10,50)Plt.scatt
Python development [module]: CSV file data visualization,CSV Module
1. CSV file format
To store data in a text file, the simplest way is to write data into a file as a series of comma-separated values (CSV). Such a file becomes a CSV file, as shown below:
AKDT,Max Temperatur
column, the first figure.Plt.plot (y[:,0],'b', label="1st") Plt.plot (y[:,0],'ro') Plt.grid (True) Plt.axis ('Tight') Plt.xlabel ("Index") Plt.ylabel ('Values of 1st') Plt.title ("This is a double axis label") plt.legend (Loc=0) Plt.subplot ( 212) #determine the position of the first diagramPlt.plot (y[:,1],'g', label="2st") Plt.plot (y[:,1],'r*') Plt.ylabel ("Values of 2st") plt.legend (Loc=0) plt.show ()5. Draw two different graphs in two layers (straight-line cubic chart)ImportMat
After entering http://127.0.0.1:8050/in Google Chrome, enter to see visual results#-*-Coding:utf-8-*-"" "Created on Sun Mar one 10:16:43 2018@author:administrator" "" Import Dashimport Dash_core_componen TS as Dccimport dash_html_components as Htmlapp = Dash. Dash () App.layout = html. DIV (children=[ HTML. H1 (children= ' Dash tutorials '), DCC. Graph ( id= ' example ', figure={ ' data ': [ {' x ': [1, 2,
In many practical problems, the data given is often visualized for easy observation.Today, the data visualization module in Python is--matplotlib this content system to make it easy to find and use. This article comes from a summary of "data analysis using
FrontierThrough the previous section on the Python combat data visualization of the Pygal module (Basic) Learning, we have a preliminary understanding of the use of Pygal module, this section will be a practical project to deepen the use of Pygal module. The JSON-formatted population data can be downloaded from the Web
First set up the basic environment, assuming there is already a Python operating environment. Then need to install some common basic library, such as NumPy, scipy for numerical calculation, pandas for data analysis, Matplotlib/bokeh/seaborn for data visualization. And then on demand to load the library of
FrontierPython provides a number of modules for data visualization, including Matplotlib, Pygal. I refer to the online popular books "Python programming from the beginning to the actual combat", in the test and learning process encountered a few problems to solve, just write down this project experience, for the basic part of the
the internal relationship of data. The interactive GUI is a good choice for interactive support.MayaviThis is a 3D graphics toolkit based on the open source C + + graphics library VTK. can be integrated into Ipython for interactive use.Other librariesOther libraries or applications include: PYQWT, Veusz, Gnuplotpy, Biggles, and so on, and large libraries are developing to web-based technologies and moving away from desktop graphics technology.The fut
, matplotlib is required no matter which library you want to use. Although his syntax is complex, he is flexible. You can draw almost any image you want. Here we go:
Ggplot
Seaborn
Bokeh
Pygal
Python-igraph
Folium
NetworkX
Mayavi
VisPy
PyQtGraph
Vincent
Plotly
@ Vincent is good. The backend uses d3 for visualization. Seabornpyqtgraph: similar to pyside or pyqt. Both of them are common and can
For example, the Python Tornado framework for data visualization tutorial, pythontornado
Extended modules used
Xlrd:
An extension tool for reading Excel in Python. You can read a specified form or cell.Installation is required before use.: Https://pypi.python.org/pypi/xlrdDecompress the package and cd it to the decompr
(types): Length=0ifLength Len (area_index): forArea,timesinchZip (area_index,post_times): Data= { 'name': Area,'Data': [Times],'type': Types}yieldData Length+ = 1 for in Data_gen ('column'): print(i) for in Data_gen ('column')]charts.plot (series,show=' ) inline ', Options=dict (title=dict (text=' Hangzhou Post Data statistics- Wang ')))Final
This article mainly introduces examples of Python Tornado framework to achieve data visualization of the tutorial, Tornado is an asynchronous development framework for high man, the need for friends can refer to the
Expansion module used
XLRD:
In the Python language, read the extension tool for Excel. You can implem
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