rank correlation


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rank correlation

[′raŋk ‚kä·rə′lā·shən]
(statistics)
A nonparametric test of statistical dependence for a random sample of paired observations.
References in periodicals archive ?
Spearman Rho test: Spearman's rank correlation coefficient, a product-moment correlation coefficient that measures the linear relationship between two ranked variables.
A Spearman rank correlation coefficient showed that THECs and PC were not correlated; this suggested differences in kinetics between these stress markers.
Spearman's rank correlation indicated that most non-parametric measures were significantly (P<0.
Spearman rank correlation analysis is a measure of whether the two variables are strictly monotonic.
Nonparametric Spearman Rank Correlation tests were performed to test for statistical associations between independent and dependent variables.
The data for counts of shared leadership behaviors did not follow a normal distribution; therefore, Spearman's rank correlation analysis was conducted to examine the relationship between shared leadership behaviors and tie strength.
The assessment of categorical variables was performed using Chi-squared test, and correlational analyses were conducted using Spearman rank correlation.
Rankings of EBV for first parity reproduction traits (NBA1, LTBW1, NPW1, and LTWW1) and sums from second to last parity traits (NBA2+, LTBW2+, NPW2+, and LTWW2+) were compared using Spearman's rank correlation coefficients obtained with the CORR procedure of SAS [12].
The correlation between TSK and test usage was evaluated by using the Spearman rank correlation coefficient.
Agreement among BMD and BMI, and osteocalcin determined using Spearman's rank correlation coefficient.
Correlation between the cytological parameters and tumor grade was evaluated by Spearman rank correlation.
Spearman rank correlation coefficient (a non-parametric method) was used to assess the degree of correlation between DAS, ESR, and the different PET parameters.