pearson

How to slice and calculate the pearson correlation coefficient between one big and small array with "overlapping" windows arrays Question: Suppose I have two very simple arrays with numpy: import numpy as np reference=np.array([0,1,2,3,0,0,0,7,8,9,10]) probe=np.zeros(3) I would like to find which slice of array reference has the highest pearson’s correlation coefficient with array probe. To …

Homemade pearson's correlation implementation returning 0.999…2 when passing two of the same sets of data to it Question: I was getting fed up of scipy and numpy, and decided to go ahead and work on another implementation, based on a SO answer somewhere. from statistics import pstdev, mean def pearson(x, y): sx = [] sy …

ValueError: shape mismatch: objects cannot be broadcast to a single shape Question: I am using the SciPy’s pearsonr(x,y) method and I cannot figure out why the following error is happening: ValueError: shape mismatch: objects cannot be broadcast to a single shape It computes the first two (I am running several thousand of these tests in …