Matplotlib Tutorial 2 – Legends titles and labels




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In this tutorial, we’re going to cover legends, titles, and labels within Matplotlib. A lot of times, graphs can be self-explanatory, but having a title to the graph, labels on the axis, and a legend that explains what each line is can be necessary.

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Comment List

  • sentdex
    January 24, 2021

    This serious is so cool! very east to follow and relevant. not a ton of filler. You've gained a follower!

  • sentdex
    January 24, 2021

    Software engineer reviewing the code: plt is not a descriptive name. Better to use pyplot. It always tells what it is.

  • sentdex
    January 24, 2021

    Simple, clear, straightforward and very useful. It helped me to solve a problem in no time. Thank you very much!

  • sentdex
    January 24, 2021

    thank you thank you thank you!

  • sentdex
    January 24, 2021

    what are the prerequisites to became a python data analyst django rest api is compulsory please give details information

  • sentdex
    January 24, 2021

    how to plot grafic in R 3?

  • sentdex
    January 24, 2021

    Just getting started. Looking forward to an interesting course.

  • sentdex
    January 24, 2021

    Still a good tutorial in 2020

  • sentdex
    January 24, 2021

    Thank you very much for all of these efforts ๐Ÿ™‚

  • sentdex
    January 24, 2021

    If I want to use legend only for green..line..

  • sentdex
    January 24, 2021

    Great Sir! I wish you had magnified the screen a little so students like me who need bigger letters' size, were easy with visuals.

  • sentdex
    January 24, 2021

    Love this tutorial series: it's the best one for me. I'm just learning. I am watching this for the second time now. I created some graphs around a year ago and now I'm a little rusty and need to go over all the contents. Thanks again…happy to contribute to your channel.

  • sentdex
    January 24, 2021

    thank you sir!

  • sentdex
    January 24, 2021

    I've been binge watching your stuff for 3 days now!! Good work!

  • sentdex
    January 24, 2021

    sir ,if I want my red button click of a window by my mouse and then I want to it click on my window canvas particular x,y as a red color .How to think?

  • sentdex
    January 24, 2021

    This is a great teaching video. I'm using Jupyter Notebook. My output is fixed and does not have zoom in and out capabilities. Please tell me what I am missing. Thank you.

  • sentdex
    January 24, 2021

    excuse me ?? Its 4 years ago, but now i cant use plot( x, y , label = ' something ' ) . How to label the lines now ??? On matplotlib.org also provides sth like plot(x,y, 'something') but this stuff still doesn't work

  • sentdex
    January 24, 2021

    You are saving my life right now thank you so much for putting these up!!

  • sentdex
    January 24, 2021

    I'm looking for a way to illustrate a magnitude spectrum with the 0dB on the top and with marks for -3dB, -6dB etc. Does anyone have something? I searched and tried a lot, but never got a satisfactory result. Thanks!

  • sentdex
    January 24, 2021

    Short videos and easy to understand

  • sentdex
    January 24, 2021

    I forgot to put in the plt.legend() line or else it won't display the legends. ๐Ÿ™‚ Works now though! Thanks,

  • sentdex
    January 24, 2021

    can u help me out adding data labels at the end of bar graph…

  • sentdex
    January 24, 2021

    Still a good tutorial in 2019. good work!

  • sentdex
    January 24, 2021

    Just what I need, tks

  • sentdex
    January 24, 2021

    Thank you.

  • sentdex
    January 24, 2021

    Short, simple and useful videos, that's all we need, thank you very much!

  • sentdex
    January 24, 2021

    I am runnign the code below and I dont get the lables printed. any idea?

    plt.plot([0,1,2,3],[0,5,7,4], label='First line')

    plt.plot([4,1,2,3],[0,9,7,4], label='second line')
    plt.show()

  • sentdex
    January 24, 2021

    Thanks for this man

  • sentdex
    January 24, 2021

    hi I am getting a error which says str object not callable..

  • sentdex
    January 24, 2021

    what kind of editor are using for this(like jupyter notebook or what)

  • sentdex
    January 24, 2021

    Hi sentdex~ I have a very simple and quick question regarding legend…
    How can I control the location of the legend??

  • sentdex
    January 24, 2021

    how to run the code When i finished it in .txt

  • sentdex
    January 24, 2021

    So glad to find your demo here, you made it easy and practical, thank you very much.

  • sentdex
    January 24, 2021

    I have learned so much from watching your Python videos. Thank you so much for spending time developing these super awesome videos. Very concise and very practical.

  • sentdex
    January 24, 2021

    ModuleNotFoundError: No module named 'matplotlib.pyplot'; 'matplotlib' is not a package

  • sentdex
    January 24, 2021

    Here is an example with axis labels and titles: https://www.youtube.com/watch?v=ARzcktHWLLQ

  • sentdex
    January 24, 2021

    Thank you๐Ÿ˜Š

  • sentdex
    January 24, 2021

    is there any way to add data from a file?

  • sentdex
    January 24, 2021

    Excellent tutorial. Can anyone help me, please? how would I change fond size of xlabel and ylabel?

  • sentdex
    January 24, 2021

    thank you for the helpful video. You are the legend ๐Ÿ™‚

  • sentdex
    January 24, 2021

    how to change color of spines or axis

  • sentdex
    January 24, 2021

    hey I am getting an error and having no luck tracking down why on stackoverflow could you please take fivemins outta your time to dissect and offer some advice total code length 32 lines please .

    File "C:Usersa***rg**Anaconda3libsite-packagesmatplotlibtransforms.py", line 1050, in _init_
    raise ValueError("'transform' must be an instance of "

    ValueError: 'transform' must be an instance of 'matplotlib.transform.Transform'

    import matplotlib.pyplot as plt
    import datetime as t

    incur1 ='nzd'
    incur2 = 'usd'
    time = t.datetime
    first_exRtRate1 = 0.712

    label1 = (incur1+ '/' +incur2)
    label2 = (incur2+ '/' +incur1)

    x = []
    y = []
    x2 = []
    y2 = []
    plt.ion()
    plt.plot(x, y, label = label1)
    plt.plot(x2, y2, label = label2)
    plt.xlabel ('Time')
    plt.ylabel ('Ex Rate')
    plt.title (+incur1+ '/' +incur2+ '/nEx Rate Data')
    plt.legend()

    time = t.datetime
    x.append(time)
    y.append(first_exRtRate1)

    plt.show()

  • sentdex
    January 24, 2021

    Thumbs up

  • sentdex
    January 24, 2021

    Which IDE is he using anyone??

  • sentdex
    January 24, 2021

    Thank you so much

  • sentdex
    January 24, 2021

    Great video. How can you place the legend outside of the chart area?

  • sentdex
    January 24, 2021

    Thanks Sentdex, Awesome and that's what I needed. I did get this error: ImportError: No module named Tkinter

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