The main purpose of this package is to allow the user of the GAMLSS models to fit truncated distributions.
|License:||GPL (version 2 or later)|
The user can take any
gamlss.family and create a truncated version of it. Left,
right and both sides truncation is allowed.
For continuous distributions left truncation at 3 means that the random variable can take the value 3.
For discrete distributions left truncation at 3 means that the random variable can take values from 4 onwards.
This is the same for right truncation. Truncation at 15 for a discrete variable means that
15 and greater values are not allowed but for continuous variable it mean values greater that 15 are not allowed
(so 15 is a possible value).
Maintainer: Mikis Stasinopoulos <[email protected]>
Rigby, R. A. and Stasinopoulos D. M. (2005). Generalized additive models for location, scale and shape,(with discussion), Appl. Statist., 54, part 3, pp 507-554.
Stasinopoulos D. M., Rigby R.A. and Akantziliotou C. (2003) Instructions on how to use the GAMLSS package in R. Accompanying documentation in the current GAMLSS help files, (see also http://www.gamlss.com/).
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gen.trun(par=c(0,100),family="TF", name="0to100", type="both") op <- par(mfrow = c(2, 2)) plot(function(x) dTF0to100(x, mu=80 ,sigma=20, nu=5), 0, 100) plot(function(x) pTF0to100(x, mu=80 ,sigma=20, nu=5), 0, 100) plot(function(x) qTF0to100(x, mu=80 ,sigma=20, nu=5), 0.01, .999) hist(rTF0to100(1000, mu=80 ,sigma=20, nu=5)) op
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