Plots The Fitted Values of a GAMLSS Model
This function, applicable only to a models with a single explanatory variable, plots the fitted values for all the parameters of a GAMLSS model against the (one) explanatory variable. It is also useful for comparing the fits for more than one model.
fittedPlot(object, ..., x = NULL, color = TRUE, line.type = FALSE, xlab = NULL)
object |
a fitted GAMLSS model object(with only one explanatory variable) |
... |
optionally more fitted GAMLSS model objects |
x |
The unique explanatory variable |
color |
whether the fitted lines plots are shown in colour, |
line.type |
whether the line type should be different or not. The default is |
xlab |
the x-label |
A plot of the fitted values against the explanatory variable
Mikis Stasinopoulos d.stasinopoulos@londonmet.ac.uk, Bob Rigby and Calliope Akantziliotou
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.
Rigby, R. A., Stasinopoulos, D. M., Heller, G. Z., and De Bastiani, F. (2019) Distributions for modeling location, scale, and shape: Using GAMLSS in R, Chapman and Hall/CRC. An older version can be found in https://www.gamlss.com/.
Stasinopoulos D. M. Rigby R.A. (2007) Generalized additive models for location scale and shape (GAMLSS) in R. Journal of Statistical Software, Vol. 23, Issue 7, Dec 2007, https://www.jstatsoft.org/v23/i07/.
Stasinopoulos D. M., Rigby R.A., Heller G., Voudouris V., and De Bastiani F., (2017) Flexible Regression and Smoothing: Using GAMLSS in R, Chapman and Hall/CRC.
(see also https://www.gamlss.com/).
data(abdom) h1<-gamlss(y~pb(x), sigma.formula=~x, family=BCT, data=abdom) h2<-gamlss(y~pb(x), sigma.formula=~pb(x), family=BCT, data=abdom) fittedPlot(h1,h2,x=abdom$x) rm(h1,h2)
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