# Questions tagged [spearman-rho]

Spearman's rank correlation coefficient, usually denoted as $\rho$, is a measure of concordance between two random variables.

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### How do I compare correlation results to one another?

I'm examining the relationship between similarity scores obtained from similarity functions and similarity scores obtained from people in the news domain. More specifically, I'm looking at how the ...
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### Is instrumental variables estimator applicable when a covariate is Spearman $\rho>0$ but not Pearson correlated with the residuals?

Is instrumental variables estimator applicable when a covariate is Spearman but not Pearson correlated with the residuals? Does Spearman non-zero correlation with residuals imply loss of consistency?
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### Spearman's partial correlation in R : ppcor or RVAideMemoire?

which is preferable for Spearman's ? RVAideMemoire::pcor.test() or ppcor::pcor.test() ? I'm running a set of partial ...
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### Finding coefficients that maximize Spearman Rank Correlation [closed]

I have a sample of observations on stocks across say 5 factors , and I want to find the linear coefficients on these factors which when multiplied with the factors and summed produce a signal with the ...
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### Non-parametric measures of covariance?

We have non-parametric measures like Spearman's correlation and Kendall's correlation in addition to Pearson's correlation. What about covariance? I guess one can normalize the variables to have zero ...
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### Which method is appropriate to measure correlation when data are not linear or monotonic?

I have 2 datasets. Now, I want to check the correlation between these 2 datasets. I have plotted datasets in a scatter plot and plotting shows that they do not follow linear or monotonic relationships....
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### How to interpret/report a confidence interval for spearman rho

I am doing my thesis in behavioural psychology and could use some stats guidance. Being a behavioural study, I have a low-n but lots of frequency data. I am using bootstrap statistics confidence ...
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### Ordinal regression or Spearman rho

I am a complete beginner in statistics and I am confuse which method is more appropriate. I have two variables; The independent variable is continuous ( hours) while my dependent variable is ordinal ...
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### Partial correlation with two metric variables and one nominal variable

I want to compute the Pearson correlation coefficient between two metric variables: (1) mean of an audio feature of persons and (2) their psychopathology measured on a Likert scale. There is a third ...
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### Statistics, Data Analysis, SPSS

I'm currently analyzing the data of an experiment and faced a couple of questions. I want to test the hypothesis that: Variable A predicts Variable B. The two variables are the results of 2 tests. ...
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### Why does the Spearman rank coefficient multiply distance by 6?

I have been trying to learn more about the inner workings of different correlations lately and noticed that the Pearson correlation so far has been easy to figure out the why's and how's of. However, ...
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### Can I use both Spearman's rank correlations and multiple linear regression on the same data?

I have infant appetite trait variables that are ordinal and non-normally distributed, therefore I used Spearman's rank correlations to test their association with infant weight and BMI z-scores. I ...
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### Correlating two variables

Im doing a medical research in which i have a cohort of 59 patients. I have data for each one about their blood level of a specific marker and data for each one about how many organs the disease I'm ...
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### P-value for partial correlation following multiple imputation in SPSS

I am trying to calculate partial Spearman's correlations following multiple imputation in SPSS. The SPSS output provides a pooled correlation coefficient, but not the associated p-value. Is there a ...
1 vote
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### Spearman's Rank Correlation Tests and Independent Sample t-test

If I would like to select which variables should I include in the logistic regression model, should I do a correlation test first or a t-test? Also, for Spearman's Rank Correlation Test, do I need to ...
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### Best way to aggregate multiple rank correlation coefficients? (Kendall Tau)

I am testing a search engine which operates over a corpus of documents. For simplicity, let's say the corpus is quite small and consists of only fifteen docs, like d1, d2, d3, ... , d15. And, as an ...
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### Proving that one score is not dependent on the other - interval data - R - Spearman correlation?

I want to attempt to answer the following hypothesis A continuous scale (measured by an understanding score of 0-2) has a positive influence on consumers’ understanding of an eco-label (understanding ...
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### What's the difference between Pearson correlation, Spearman correlation and regression?

If I only have two random variables with normal distributions, I know that Pearson correlation is the same as linear regression correlation coefficient. But for Spearman correlation, is there a ...
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### Which items in two ranked lists are ranked significantly different?

I have 91 items ranked by different demographic groups of questionnaire participants. The rank lists for each group are all the same length and contain identical items. I understand that I can perform ...
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### Similarity measure of weighted rankings

I have two algorithms which are going to rank the same set of data, by associating to each data element a real number. I'd like to compare the similarity of the outputs, but taking into account the ...
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