mat.or.vec
Create a Matrix or a Vector
Description
Creates a zero matrix with nr rows and nc columns--unless
nc is 1, in which case it creates a numeric vector of length nr.
Usage
mat.or.vec(nr, nc)
Arguments
  
| nr | number of rows. | 
  | nc | number of columns. | 
 
Value
if nc is 1, a numeric vector of length nr with all elements set to 0. 
Otherwise, a numeric nr by nc matrix with all elements set to 0.
See Also
Examples
mat.or.vec(3,4) # Creates a 3 by 4 matrix
mat.or.vec(3,1) # Creates a numeric vector of length 3