matrix-methods: Matrix Methods for Mondate's
In mondate: Keep Track of Dates in Terms of Months

Apply matrix attributes to a mondate.

matrix(data = NA, nrow = 1, ncol = 1, byrow = FALSE, dimnames = NULL): Shapes mondate data as a matrix. Inherits the mondate's other properties. See matrix for further details.

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m <- mondate.mdy(12, 31, 2001:2006) # 6 year-ends
matrix(m)                           # a one-column matrix
matrix(m, 2, byrow=TRUE)            # a two-row matrix stored in row-order