[R] cdf function: inverse to quantile?

Wiener, Matthew matthew_wiener at merck.com
Fri Apr 4 15:36:17 CEST 2003

Take a look at ecdf in package stepfun.

-----Original Message-----
From: DED (David George Edwards) [mailto:ded at novonordisk.com] 
Sent: Thursday, April 03, 2003 6:20 AM
To: 'r-help at stat.math.ethz.ch'
Subject: [R] cdf function: inverse to quantile?

Is there a function in R for calculating empirical cumulative distribution
functions, i.e. the inverse of the quantile function? Perhaps in some
library? I'd hate to have to re-invent the wheel.

David Edwards, Biostatistics, 
Novo Nordisk A/S, Bagsværd, Denmark.
DEd at novonordisk.com <mailto:DEd at novonordisk.com> 
Tlf: +45 44 42 62 35. Fax: +45 44 42 14 80

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