Correction: cocor: A Comprehensive Solution for the Statistical Comparison of Correlations
نویسنده
چکیده
This Appendix is part of the article cocor: A Comprehensive Solution for the Statistical Comparison of Correlations by Birk Diedenhofen and Jochen Musch published in PLOS ONE. In the following, the formulae of all tests implemented in the R package [1] cocor (version 1.1-0) are provided. z statistics are based on a normal distribution, whereas t statistics rely on a Student’s t-distribution with given degrees of freedom. Some tests make use of Fisher’s [2, p 26] r-to-Z transformation:
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cocor: A Comprehensive Solution for the Statistical Comparison of Correlations
A valid comparison of the magnitude of two correlations requires researchers to directly contrast the correlations using an appropriate statistical test. In many popular statistics packages, however, tests for the significance of the difference between correlations are missing. To close this gap, we introduce cocor, a free software package for the R programming language. The cocor package cover...
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