::Free Statistics and Forecasting Software::

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 Spearman Rank Correlation and the two-sided p-value (H0: rho = 0). The ordinary scatterplot and the scatterplot between ranks of X & Y is also shown.

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

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Source code of R module

k <- cor.test(x,y,method="spearman") bitmap(file="test1.png") plot(x,y,main="Scatterplot",xlab=xlab,ylab=ylab) grid() dev.off() bitmap(file="test2.png") plot(rank(x),rank(y),main="Scatterplot of Ranks",xlab=xlab,ylab=ylab) grid() dev.off() load(file="createtable") a<-table.start() a<-table.row.start(a) a<-table.element(a,"Spearman Rank Correlation",2,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,"rho",header=TRUE) a<-table.element(a,k$estimate) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,"2-sided p-value",header=TRUE) a<-table.element(a,k$p.value) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,"S",header=TRUE) a<-table.element(a,k$statistic) a<-table.row.end(a) a<-table.end(a) table.save(a,file="mytable.tab")

Cite this software as:

Wessa P., (2017), Spearman Rank Correlation (v1.0.3) in Free Statistics Software (v1.2.1), Office for Research Development and Education, URL https://www.wessa.net/rwasp_spearman.wasp/

The R code is based on :

Borghers E. and Wessa P., Statistics - Econometrics - Forecasting, Office for Research Development and Education, http://www.xycoon.com/rank_correlation.htm

To cite Wessa.net in publications use:
Wessa, P. (2024), 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 : supernova.wessa.net

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