R version 2.15.2 (2012-10-26) -- "Trick or Treat"
Copyright (C) 2012 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i686-pc-linux-gnu (32-bit)

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> x <- c(435,431,434,439,455,452,426,428,433,438,442,446,442,436,444,454,469,471,443,437,444,451,457,460,454,439,441,446,459,456,433,424,430,428,424,419,409,397,397,401,413,413,390,385,397,398,406,412,409,404,412,418,434,431,406,416,424,427,438,444,442,443,453,471,476,476,461,462,460,463,467,468,465,459,465,471,472,472,456,455,456,462,463,461)
> par3 = '0,10'
> par2 = '0,90'
> par1 = '0,10'
> ylab = 'value'
> xlab = 'quantile'
> main = 'Harrell-Davis Quantiles'
> par3 <- '0,10'
> par2 <- '0,90'
> par1 <- '0,10'
> #'GNU S' R Code compiled by R2WASP v. 1.2.291 ()
> #Author: root
> #To cite this work: Wessa, (2012), Harrell-Davis Quantile Estimator (v1.0.13) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_harrell_davis.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #
> par1 <- as(par1,'numeric')
Warning message:
In asMethod(object) : NAs introduced by coercion
> par2 <- as(par2,'numeric')
Warning message:
In asMethod(object) : NAs introduced by coercion
> par3 <- as(par3,'numeric')
Warning message:
In asMethod(object) : NAs introduced by coercion
> library(Hmisc)
Loading required package: survival
Loading required package: splines
Hmisc library by Frank E Harrell Jr

Type library(help='Hmisc'), ?Overview, or ?Hmisc.Overview')
to see overall documentation.

NOTE:Hmisc no longer redefines [.factor to drop unused levels when
subsetting.  To get the old behavior of Hmisc type dropUnusedLevels().


Attaching package: 'Hmisc'

The following object(s) are masked from 'package:survival':

    untangle.specials

The following object(s) are masked from 'package:base':

    format.pval, round.POSIXt, trunc.POSIXt, units

> myseq <- seq(par1, par2, par3)
Error in if (del == 0 && to == 0) return(to) : 
  missing value where TRUE/FALSE needed
Calls: seq -> seq.default
Execution halted