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Tag: numpy

Print side by side .describe() in pandas

Hello so i have two columns that im using describe() and im getting their stats. I have something like this I want to print desk1 and desk2 below of each category.I am doing this: I get this : And i my desired output is this: I would like to not create a dataframe.Any solutions? Thanks in advance Answer What about

All pairwise means between elements of 2 lists

Is there a function to all pairwise means (or sums, etc) of 2 lists in python? I can write a nested loop to do this: result: but it feels like this is a very roundabout way to do this. I guess there is an option for a nested list comprehension as well, but that also seems ugly. Is there a

Numpy matrix multiplication with scalar results in negative zeros

I have a random nxn matrix A with floating points, then I call matrix nxn which has diagonal values (0 elsewhere) now I want to multiply every even row with -2 so I do however it returns Why do the zeroes have negative sign? Does this matter at all and if so is it possible to avoid having that? Thank

Serialize ‘csv’ file as binary and append to file

How is it possible to achieve the following at the same time in python 3: Serialize column names and numerical data as a binary file Reopen the file and append additional numerical data For example with the following data: My approach with numpy This approach allows to save data and append additional data. However the column names are missing and

if and else in Convolution function

I have a problem with use if and else statement in convolution function. this code return error: use any() or all() how to can i use condition in convolve? I hope you always good luck. thanks. Answer The name function is called with a numpy array as the parameter. “Is the array less than 300?” isn’t meaningful. Are all the

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