marginals
From aylmer v1.0-5
by Robin K S Hankin
Marginals of a board
Various utilities to calculate the marginal totals of a board.
- Keywords
- array
Usage
marginals(x)
dof(x)
is.board(x)
as.board(x)
.Cargs(x)
Arguments
- x
- A matrix, usually including one or more
NA
entries, coerced to integer (aboard ); see details section
Details
Function marginals()
takes a matrix and returns a list holding
the marginal totals and the coordinates of blank squares.
Function dof()
takes a board and returns the number of degrees
of freedom present.
Function .Cargs()
takes a matrix and coerces it to a list
suitable for calling the C++
routines; it is not really
intended for the end-user. This function uses formal S4 methods to
coerce a matrix to an object of class board
(checking for
non-integer entries, etc), as do the functions documented in
allboards.Rd
.
See Also
Examples
data(icons)
marginals(icons)
Community examples
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