Tutorial 8- Matplotlib (Simple Visualization Library)




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Hello All,
Welcome to the Python Crash Course. In this video we will understand about as a simple visualization library called as matplotlib library

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Comment List

  • Krish Naik
    November 17, 2020

    Nice one πŸ‘ŒπŸ‘πŸ»

  • Krish Naik
    November 17, 2020

    x = np.arange(0,4*np.pi,0.1)

    y = np.sin(x)

    Sir this two lines are not cleared into my mind

  • Krish Naik
    November 17, 2020

    In tutorial 7 you said the next video will be on reading data from MongoDB and SQL lite. Is there any video for that??

  • Krish Naik
    November 17, 2020

    sir im not able import matplot library…im getting an error as 'plt not defined' in jupyter

  • Krish Naik
    November 17, 2020

    I like ur videos because clear all doubts in such a short time period…

  • Krish Naik
    November 17, 2020

    Hi Krish, You're doing a great job by providing the learners with free tutorials. I would like to make one correction here (at around 19:10 minutes)
    NumPy.random.normal(loc, std, size) creates n (=size) random variables with mean = loc, and std = std.
    In your case data is basically a list of three arrays, each of which is a collection of 100 random normal variables with mean 0 and three different values of std respectively [given by range(1,4)]

  • Krish Naik
    November 17, 2020

    5:58
    in the new version note that:
    Format 'jpg' is not supported (supported formats: eps, pdf, pgf, png, ps, raw, rgba, svg, svgz)

  • Krish Naik
    November 17, 2020

    hi sir can you clearly explain what is use of subplot and plot what is the difference between two of these

  • Krish Naik
    November 17, 2020

    hi sir but how we differentiate 2 rows and 2 col in the subplot diagram

  • Krish Naik
    November 17, 2020

    this video really needs editing the voice is nnot clear it keeps on fluctuating, that' why these videos did not get much attention.Pay more attention to things like that.

  • Krish Naik
    November 17, 2020

    Thanks very much Krish Naik, now the first thong i do every morning and at night is listen to your video and practice what you teach; great work. Really appreciate your efforts

  • Krish Naik
    November 17, 2020

    Thanks for sharing this video it is Nice…
    Yes I have tried to plot without "%matplotlin inline%"
    and it is working.. also without plt.show() maybe it is version issue

  • Krish Naik
    November 17, 2020

    x=np.arange(0,10)

    y=np.arange(11,20)
    plt.scatter(x,y,c='r')

    For the above code snippet i am getting the below error.

    ValueError Traceback (most recent call last)

    <ipython-input-5-75a3b08e1b3f> in <module>

    3 ##scatter plot

    4

    —-> 5 plt.scatter(x,y,c='r')

    F:Data ScienceAnacondalibsite-packagesmatplotlibpyplot.py in scatter(x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, verts, edgecolors, plotnonfinite, data, **kwargs)

    2839 verts=verts, edgecolors=edgecolors,

    2840 plotnonfinite=plotnonfinite, **({"data": data} if data is not

    -> 2841 None else {}), **kwargs)

    2842 sci(__ret)

    2843 return __ret

    F:Data ScienceAnacondalibsite-packagesmatplotlib__init__.py in inner(ax, data, *args, **kwargs)

    1587 def inner(ax, *args, data=None, **kwargs):

    1588 if data is None:

    -> 1589 return func(ax, *map(sanitize_sequence, args), **kwargs)

    1590

    1591 bound = new_sig.bind(ax, *args, **kwargs)

    F:Data ScienceAnacondalibsite-packagesmatplotlibaxes_axes.py in scatter(self, x, y, s, c, marker, cmap, norm, vmin, vmax, alpha, linewidths, verts, edgecolors, plotnonfinite, **kwargs)

    4434 y = np.ma.ravel(y)

    4435 if x.size != y.size:

    -> 4436 raise ValueError("x and y must be the same size")

    4437

    4438 if s is None:

    ValueError: x and y must be the same size

    Any help will be appreciated.

  • Krish Naik
    November 17, 2020

    Hello Krish…Thank you so much for the lecture.

    Correct me if I am wrong, as you told the use of (%matplotlib inline).
    First I have written the matplotlib import line & then (%matplotlib inline) & run it. So it got executed without plt.show().
    Later I removed (%matplotlib inline) & run it, but still it's reflecting the output, without writing plt.show() command.
    I am running this on an online cloud env https://cocalc.com/ ( not in jupyter)

    Please advise.

  • Krish Naik
    November 17, 2020

    Sir thanks for uploading..just some voice clearity is needed

  • Krish Naik
    November 17, 2020

    Can u please upload with clear voice…

  • Krish Naik
    November 17, 2020

    please make more tutorials on deployment

  • Krish Naik
    November 17, 2020

    krish please share the ml syllabus.

  • Krish Naik
    November 17, 2020

    Sound need to more clear.. sound fluctuating..

  • Krish Naik
    November 17, 2020

    Great Video… Can you please do it on PLOTLY VISUALIZATION…

  • Krish Naik
    November 17, 2020

    Sir pura ek din ka intezaar krna pada is video ka

  • Krish Naik
    November 17, 2020

    Kindly do some using seaborn ..

  • Krish Naik
    November 17, 2020

    Desperately waiting for this

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