Function to expand integers to a grid of indices
This function takes an arbitrary number K of integer values n_1,…, n_K and
creates a data frame with all combinations from 1:n_k, where the first column
(taking values from 1 to n_1) varies slowest and the last column (())taking values from 1
to n_K) varies fastest. Internally, this function depends on expand.grid
expand.int(...)
... |
An arbitrary number of integer values. |
A dataframe with the same number of columns as integers supplied and containing all
combinations of indices from 1 to the given integers. If no number is supplied, the function
returns NULL.
# For two integers funData:::expand.int(2,5) # first column varies slowest # For three integers funData:::expand.int(2,3,4)
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