round_matrix {cuadramelo} | R Documentation |
Round a matrix
Description
Returns an integer matrix that preserves the rounded colSums and rowSums.
Usage
round_matrix(Y, digits = 0, MARGIN = 0)
Arguments
Y |
A matrix. |
digits |
Decimal places to round to. |
MARGIN |
One of
|
Details
The function will throw a *warning* if the problem is infeasable. To be able to round the matrix in this fashion, the following things must be equal:
-
the sum of the differences between the row totals and the rounded row totals
-
the sum of the differences between the column totals and the rounded row totals
Value
The rounded matrix.
Examples
set.seed(6)
Y <- rnorm(3*5)*10 |> matrix(3,5) |> round(3)
X <- round_matrix(Y)
Y
X
colSums(Y) |> round()
colSums(X)
rowSums(Y) |> round()
rowSums(X)
[Package cuadramelo version 1.0.0 Index]