Top "Correlation" questions

For questions regarding interdependence of variable quantities.

Fast cross correlation method in Python

I have been recently trying to find a fast and efficient way to perform cross correlation check between two arrays …

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Correlation coefficients and p values for all pairs of rows of a matrix

I have a matrix data with m rows and n columns. I used to compute the correlation coefficients between all …

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How to get the correlation between two timeseries using Pandas

I have two sets of temperature date, which have readings at regular (but different) time intervals. I'm trying to get …

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Significance level added to matrix correlation heatmap using ggplot2

I wonder how one can add another layer of important and needed complexity to a matrix correlation heatmap like for …

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How to correlate an Ordinal Categorical column in pandas?

I have a DataFrame df with a non-numerical column CatColumn. A B CatColumn 0 381.1396 7.343921 Medium 1 481.3268 6.786945 Medium 2 263.3766 7.628746 High 3 177.2400 5.225647 Medium-High I want to …

python pandas scikit-learn correlation categorical-data
Normalized Cross-Correlation in Python

I have been struggling the last days trying to compute the degrees of freedom of two pair of vectors (x …

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How to find correlation between two integer arrays in java

I am searching a lot but could not find exactly what i need till now. I have two integer arrayas …

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DataFrame correlation produces NaN although its values are all integers

I have a dataframe df: df = pandas.DataFrame(pd.read_csv(loggerfile, header = 2)) values = df.as_matrix() df2 = pd.DataFrame.…

python pandas nan correlation series
How to have R corrplot title position correct?

Code and its output where title is wrongly positioned outside the window page: library('corrplot') #options(error=recover) # http://stackoverflow.…

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python - how to compute correlation-matrix with nans in data-matrix

I coundn't find a function that computes a matrix of correlation coefficients for arrays containing observations for more than two …

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