[R] fExtreme packages

[morlanes@cc.hut.fi]

Hello, 
 
I am a new user of R. I am trying to use the packages fBasics and fExtremes 
when i am running the examples I get few error. Could someone tell me what is 
happenig? Thank you beforehand. 
 
from Fbasics packages: 
 
 xmpfBasics() 
Error in file(file, "r") : unable to open connection 
In addition: Warning message: 
cannot open file '/usr/lib/R/library/fBasics/demoIndex'  
 
> source("fBasics-xmpTools") 
Error in file(file, "r", encoding = encoding) :  
	unable to open connection 
In addition: Warning message: 
cannot open file 'fBasics-xmpTools'  
 
from fExtremes: 
 
 data(danish) 
xmpExtremes("\nStart: Simulate a GPD Distributed Sample > ") 
 x = gpdSim(model = list(shape = 0.25, location = 0, scale = 1), n = 1000) 
Error in rgpd(n = n, xi = model$shape, mu = model$location, beta = 
model$scale) : unused argument(s) (mu ...) 
 
 fit = gpdFit(danish, threshold = 10, type = "mle") 
>  par(mfrow = c(1, 1)) 
>  gpdtailPlot(fit, main = "Danish Fire: GPD Tail Estimate", col = 
"steelblue4")  
Error in as.numeric(gpd.obj$upper.exceed) :  
	argument "gpd.obj" is missing, with no default