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2025-02-26 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article introduces you to the introduction of python needs to master the relevant coefficient of drawing heat map display, the content is very detailed, interested friends can refer to, hope to be helpful to you.
The data set used is still the seed data of the three wheat varieties mentioned earlier.
Those who need sample data can leave a message directly.
The data set includes seven indicators of three varieties of wheat seeds, which are
An area B perimeter C compactness LK length WK width A_coef skewness coefficient LKG groin length
The last variable of image.png, target, is the species to which wheat belongs, which is 0meml, respectively.
It would be nice to use python to install anaconda3 directly on your computer for the first time. I have previously recorded a video for introduction, which can be referred to.
The first step is to start jupyter lab (I am using a computer with win10 system)
Win+ shortcut key enter cmd press enter to open the command line window, and then enter jupyter lab on the command line
Press enter key jupyter lab to launch in the default browser
Click python3 under Notebook to create a new window
Image.png
The next step is to enter the command.
Import pandas module to read data import pandas as pd
Df = pd.read_csv ("D://Rstudio_default_working/kaggle/Seed_Data.csv")
Df.head ()
Image.png removes the last column target because df1 = df.drop ('target',axis=1) is not needed to calculate the correlation coefficient
The next step for image.png is to import the seaborn module to draw the heat map of the correlation coefficient.
Https://heartbeat.fritz.ai/seaborn-heatmaps-13-ways-to-customize-correlation-matrix-visualizations-f1c49c816f07 is referenced here.
Import seaborn as sns
Sns.heatmap (df.corr ())
Image.png
Display correlation coefficient
Sns.heatmap (df.corr (), annot=True)
Image.png
The default of correlation analysis here seems to be Pearson correlation analysis.
Change other methods
Image.pngimage.png on the introduction to python need to master the relevant coefficient of drawing heat map display to share here, I hope that the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.
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