Top "Correlation" questions

For questions regarding interdependence of variable quantities.

Correlation coefficients for sparse matrix in python?

Does anyone know how to compute a correlation matrix from a very large sparse matrix in python? Basically, I am …

python numpy scipy sparse-matrix correlation
How to get Pearson´s correlation with a matrix in Matlab

I have some vectors, for example, let´s call them a, b and c. All of them have the same …

matlab matrix correlation pearson
Pairwise correlation between raster layers in R

I need accomplish a pairwise Pearson correlation between 19 raster layers for Africa Continent extracted from WordClim database. I want to …

r correlation raster
Measuring the similarity between two irregular plots

I have two irregular lines as a list of [x,y] coordinates, which has peaks and troughs. The length of …

python matplotlib signal-processing correlation cross-correlation
My corrplot does not fit in the screen?

I have made a corrplot of a dataframe df.Unfortunately the corrplot doesn't fit the screen. The top of the …

r correlation r-corrplot
Plot the equivalent of correlation matrix for factors (categorical data)? And mixed types?

Actually there are 2 questions, one is more advanced than the other. Q1: I am looking for a method that similar …

r plot statistics correlation chi-squared
Computing Autocorrelation with FFT Using JTransforms Library

I'm trying to calculate autocorrelation of sample windows in a time series using the code below. I'm applying FFT to …

java fft time-series correlation
Calculating correlation coefficient using PostgreSQL?

I have worked out how to calculate the correlation coefficient between two fields if both are in the same table: …

postgresql calculated-columns correlation