Distribution families
  See RR.  Evaluation operators
  See RF.
  Random Fields / Random Processes
  See RP.  
  Mathematical functions
  See R.
  Shape functions
  
  Besides any of the covariance functions the following functions can be
  used as shape functions.
 ll{
    RMangle 	defines an anisotropy matrix by angle
    and a diagonal matrix.
    
RMball 	Indicator of a ball of radius
    $1/2$.
    
RMm2r 	spectral function belonging to a
    tail correlation function of the Gneiting class $H_n$
    
RMm3b  	spectral function belonging to a tail
    correlation function of the Gneiting class $H_n$
    
RMmppplus 	operator to define mixed moving
    maxima (M3) processes
    
RMmps 	spectral functions belonging to a tail
    correlation function of the Gneiting class $H_n$
    
RMpolygon 	Indicator of a typical Poisson
    polygon. 
    
RMrational 	shape function used in the Bernoulli
    paper given in the references
    
RMrotat 	shape function used in the Bernoulli
    paper given in the references
    
RMsign 	random sign
    
RMtruncsupport 	truncates the support of a shape in
    a Poisson based model
    
}
  Special transformations
  ll{
    RMeaxxa 	shape function used in the Bernoulli
    paper given in the references
    
RMetaxxa 	shape function used in the Bernoulli
    paper given in the references
    
RMid 	identity 
RMrotation 	shape function used in the Bernoulli
   paper given in the references
   
}
 
  Other models
  ll{
    RMcoord 	passing new coordinates in a mixed
    model 
    
RMuser 	User defined covariance model
    
}