Top "Correlation" questions

For questions regarding interdependence of variable quantities.

Spearman correlation and ties

I'm computing Spearman's rho on small sets of paired rankings. Spearman is well known for not handling ties properly. For …

r correlation
pandas columns correlation with statistical significance

What is the best way, given a pandas dataframe, df, to get the correlation between its columns df.1 and df.2? …

python pandas scipy correlation
Cross-correlation (time-lag-correlation) with pandas?

I have various time series, that I want to correlate - or rather, cross-correlate - with each other, to find …

python numpy pandas correlation cross-correlation
R - Warning message: "In cor(...): the standard deviation is zero"

I have a single vector of flow data (29 data) and a 3D matrix data(360*180*29) i want to find the correlation …

r multidimensional-array matrix warnings correlation
How to compute correlations between all columns in R and detect highly correlated variables

I have a big dataset with 100 variables and 3000 observations. I want to detect those variables (columns) which are highly correlated …

r correlation
Remove highly correlated variables

I have a huge dataframe 5600 X 6592 and I want to remove any variables that are correlated to each other more …

r function subset correlation
How to change font size of the correlation coefficient in corrplot?

I am plotting correlation plot with corrplot. I want to plot also the correlation coefficients: require(corrplot) test <- …

r correlation r-corrplot
How to interpret the values returned by numpy.correlate and numpy.corrcoef?

I have two 1D arrays and I want to see their inter-relationships. What procedure should I use in numpy? I …

python numpy scipy correlation
Complete.obs of cor() function

I am establishing a correlation matrix for my data, which looks like this df <- structure(list(V1 = c(56, 123, 546, 26, 62, 6, …

r matrix correlation na
Computing the correlation coefficient between two multi-dimensional arrays

I have two arrays that have the shapes N X T and M X T. I'd like to compute the …

python arrays numpy scipy correlation