::Free Statistics and Forecasting Software::



:: Somers Dxy Rank Correlation - Free Statistics Software (Calculator) ::

All rights reserved. The non-commercial (academic) use of this software is free of charge. The only thing that is asked in return is to cite this software when results are used in publications.

This free online software (calculator) computes the Somers Dxy Rank Correlation between two dataseries X and Y. X is the (continuous) predictor variable. Y is a binary variable (coded with 1 and 0). Both variables X and Y may contain missing data (coded as NA).

Enter (or paste) your data delimited by hard returns.

Send output to:
Data X (click to load default data)
Data Y:

Source code of R module
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Cite this software as:
Wessa P, (2017), Somers Dxy Rank Correlation (v1.0.4) in Free Statistics Software (v1.2.1), Office for Research Development and Education, URL https://www.wessa.net/rwasp_somers.wasp/
The R code is based on :
Somers D: Somers, R. H. A new asymmetric measure of association for ordinal variables. American Sociological Review 27 (1962): 799-811.
Critical Ratio of S: Kendall, M. G. Rank Correlation Methods. Fourth edition. London: Griffin, 1970. p.52
Standard Error of S assuming ties: Kendall, M. G. Rank Correlation Methods. Fourth edition. London: Griffin, 1970. p. 55
Table of critical values of S assuming ties: Harshbarger, T. R. Introductory Statistics: A Decision Map. New York: Macmillan, 1971. p. 535
The function that computes Somers Dxy Rank Correlation was coded by Frank Harrell, Department of Biostatistics, Vanderbilt University School of Medicine
Top | Output | Charts | References

To cite Wessa.net in publications use:
Wessa, P. (2023), Free Statistics Software, Office for Research Development and Education,
version 1.2.1, URL https://www.wessa.net/

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Software Version : 1.2.1
Algorithms & Software : Patrick Wessa, PhD
Server : www.wessa.net

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