Linked Questions
11 questions linked to/from Averaging correlation values
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Is it possible to calculate an average correlation of r from several correlations of r? [duplicate]
Any help would be appreciated. I have a table presenting multiple r correlations between various formats of the same test and the construct/dimensions it purports to measure. Is there an acceptable ...
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Working with correlation coefficients
I have three Pearson correlation coefficients (.8978, .5676 and .7865) for three age groups (i.e. 21 to 30 years, 31 to 40 years and 41 to 50 years) whose behavior I am studying in regard to their ...
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Significance of average correlation coefficients
I am using fMRI data (n=25) to predict performance on a behavioral task. At each of 12 time points, I train a linear model on data from n-1 subjects and use this model to predict the left-out subject'...
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p-value of an Average Correlation Coeficient
I have several Pearson correlation coefficients with their corresponding p-values. But I need an Average Correlation Coefficient. To calculate it, I've used the Fisher z transformation mentioned here ...
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How to average Spearman correlations?
Possible Duplicate:
Averaging correlation values
I have a number of users, and for each user I have 2 ordered lists of items (one is from observation, one is generated by an algorithm). For a ...
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Comparing Averages of Pearson Correlation Coefficients for Significance
How can I test if two averages of Pearson's correlation coefficients are significantly different?
For instance, I have data pertaining to participants' estimates of certain percentages (e.g. how many ...
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Significance testing between two sets of Pearson's correlation coefficients
I have been reading through questions here to find an answer to my question but didn't find a satisfactory one. Here is my scenario:
I have a system computing an algorithm on each of 100 units (so ...
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Computing p-values for averaged correlation coefficients
I would like to measure the accuracy of an algorithm at predicting a certain target value. Since there is some variance in the algorithm's output, I've run it a few times and computed the Pearson ...
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Average of correlations over time
I currently work on my bachelor's thesis and analyse the correlation between 13 countries over a time period of 117 years. I built a correlation table and now want to say somethin about the average ...
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Averaging Correlations
I am working with patient experience data where patients answer questions regarding their stay at the hospital. Each question is then given a correlation value as it relates to the final "overall ...
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Aggregating many correlations
I have measurements of covarying time-series. $X$ and $Y$ both vary in time, but I am interested in finding the correlation between $X$ and $Y$.
I have around 1500 measurements (individual timeseries) ...
