9 th september, scatter plot example



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In the scatter plot example(9th september class), i did not understand what is the puspose of random generation of nos for colors and area?


3 Answer(s)


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The main purpose of the scatter plot to understand how variables explained when we we perform multi variate analysis.
Like in the the plot variables x,y and z are identical.
When we perform x with y: the explanatory power has increased new insights where us to understand.

 


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kindly read the question again, i am asking about random no generation and not about the importance of scatter plot.


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numpy.random.randn

numpy.random.randn(d0d1...dn)

Return a sample (or samples) from the “standard normal” distribution.

If positive, int_like or int-convertible arguments are provided, randn generates an array of shape (d0, d1, ..., dn), filled with random floats sampled from a univariate “normal” (Gaussian) distribution of mean 0 and variance 1 (if any of the d_i are floats, they are first converted to integers by truncation).