::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 Harrell-Davis Quantiles and associated standard errors.

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

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Source code of R module

par1 <- as(par1,"numeric") par2 <- as(par2,"numeric") par3 <- as(par3,"numeric") library(Hmisc) myseq <- seq(par1, par2, par3) hd <- hdquantile(x, probs = myseq, se = TRUE, na.rm = FALSE, names = TRUE, weights=FALSE) bitmap(file="test1.png") plot(myseq,hd,col=2,main=main,xlab=xlab,ylab=ylab) grid() dev.off() load(file="createtable") a<-table.start() a<-table.row.start(a) a<-table.element(a,"Harrell-Davis Quantiles",3,TRUE) a<-table.row.end(a) a<-table.row.start(a) a<-table.element(a,"quantiles",header=TRUE) a<-table.element(a,"value",header=TRUE) a<-table.element(a,"standard error",header=TRUE) a<-table.row.end(a) length(hd) for (i in 1:length(hd)) { a<-table.row.start(a) a<-table.element(a,as(labels(hd)[i],"numeric"),header=TRUE) a<-table.element(a,as.matrix(hd[i])[1,1]) a<-table.element(a,as.matrix(attr(hd,"se")[i])[1,1]) a<-table.row.end(a) } a<-table.end(a) table.save(a,file="mytable.tab")

Cite this software as:

Wessa, (2007), Harrell-Davis Quantile Estimator (v1.0.11) in Free Statistics Software (v1.2.1), Office for Research Development and Education, URL http://www.wessa.net/rwasp_harrell_davies.wasp/

The R code is based on :

Harrell FE, Davis CE (1982): A new distribution-free quantile estimator. Biometrika 69:635-640.

Hutson AD, Ernst MD (2000): The exact bootstrap mean and variance of an L-estimator. J Roy Statist Soc B 62:89-94.

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 : www.wessa.net

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