Random generation for the truncated Gamma distribution with
parameters shape and scale.
     
    
    Usage
    rgammat(n, scale = scale, shape = shape, lower, upper)
 
    
    Arguments
- n
- number of observations 
- scale
- scale parameter 
- shape
- shape parameter 
- lower
- numeric. Observations below this threshold are not present in
the sample. 
- upper
- numeric. Observations above this threshold are not present in
the sample. 
 
    
    Value
    The length of the result is determined by n.