R version 3.2.2 (2015-08-14) -- "Fire Safety"
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Platform: x86_64-pc-linux-gnu (64-bit)

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> x <- c(78.46,78.59,81.37,83.61,84.65,84.56,83.85,84.08,85.41,85.75,86.38,88.87,90.37,92.21,95.75,97.29,98.29,99.51,99.04,98.9,100.74,100.3,101.68,101.3,103.13,104.17,105.98,106.25,104.01,101.68,101.93,104.41,105.51,104.71,103.14,102.66,102.68,101.89,101.37,101.16,99.34,99.35,99.88,99.31,99.91,98.39,98.02,98.7,98.01,98.42,98.2,93.5,93.17,93.42,93.13,92.31,92.09,92.62,91.43,89.38)
> par3 = '0,01'
> par2 = '0,99'
> par1 = '0,01'
> ylab = 'value'
> xlab = 'quantile'
> main = 'Harrell-Davis Quantiles'
> par3 <- '0,01'
> par2 <- '0,99'
> par1 <- '0,01'
> #'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: grid
Loading required package: lattice
Loading required package: survival
Loading required package: Formula
Loading required package: ggplot2

Attaching package: 'Hmisc'

The following objects are masked from 'package:base':

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

> myseq <- seq(par1, par2, par3)
Error in seq.default(par1, par2, par3) : 
  'from' cannot be NA, NaN or infinite
Calls: seq -> seq.default
Execution halted