Nov 2, 2012 · As mentioned in cs95's answer, to_numpy() will consistently convert a pandas dataframe into a numpy array. On the other hand, because .values (as suggested in 1, 2, 3, 4, …

I'm trying to generate a linear regression on a scatter plot I have generated, however my data is in list format, and all of the examples I can find of using polyfit require using arange. arange do...

Actually import numpy ; numpy.version.version . The lack of import numpy through me, an obvious newbie.

I try to use np.where from numpy, but I see that numpy.where(condition[, x, y]) treat only two condition not 3 like in my case.

if you take a look at the numpy documentation, it discusses what sum (x, axis=0)--and similarly axis=1-- does. In short, it provides the direction in which to sum an array of arrays. In this …

I need to determine the angle(s) between two n-dimensional vectors in Python. For example, the input can be two lists like the following: [1,2,3,4] and [6,7,8,9].

I want to create an empty array and append items to it, one at a time. xs = [] for item in data: xs.append(item) Can I use this list-style notation with NumPy arrays?

numpy.inner functions the same way as numpy.dot for matrix-vector multiplication but behaves differently for matrix-matrix and tensor multiplication (see Wikipedia regarding the differences …

Sep 10, 2009 · If you look for efficiency it is better to use the numpy function. The scipy distance is twice as slow as numpy.linalg.norm (a-b) (and numpy.sqrt (numpy.sum ( (a-b)**2))). On my …

Mar 7, 2015 · How do I dump a 2D NumPy array into a csv file in a human-readable format?