api-cell | R Documentation |

Low level table cell operations.

```
cell2entry(cell, dim)
entry2cell(entry, dim)
next_cell(cell, dim)
next_cell2(cell, dim)
next_cell_slice(cell, dim, slice_marg)
slice2entry(slice_cell, slice_marg, dim)
cell2entry_perm(cell, dim, perm)
perm_cell_entries(perm, dim)
fact_grid(dim, slice_cell = NULL, slice_marg = NULL)
```

`cell` |
Vector giving the cell, e.g. c(1, 1, 2) in 3-way table. |

`dim` |
Vector giving array dimension, eg c(2, 2, 2). |

`entry` |
An entry in an array (a number indexing a vector). |

`slice_marg` |
Vector giving the margin of a table, eg. c(2, 3) |

`slice_cell` |
Vector giving the corresponding cell of marginal table, e.g. c(1, 2) |

`perm` |
Vector giving permutaion of array, eg. c(1, 3, 2). |

```
di <- c(2, 2, 3)
cell2entry(c(1, 1, 1), dim=di)
cell2entry(c(2, 2, 3), dim=di)
entry2cell(1, dim=di)
entry2cell(12, dim=di)
next_cell(c(1, 1, 1), dim=di)
next_cell(c(2, 1, 1), dim=di)
## The first two entries are kept fixed
next_cell_slice(c(2, 1, 1), dim=di, slice_marg=c(1, 2))
next_cell_slice(c(2, 1, 2), dim=di, slice_marg=c(1, 2))
## Cell (2, 2, 1) corresponds to entry 4
cell2entry(c(2, 2, 1), dim=di)
## Same as
cell2entry_perm(c(2, 2, 1), dim=di, perm=c(1, 2, 3))
## If the table dimensions are permuted as (3, 1, 2)
## the entry becomes
cell2entry_perm(c(2, 2, 1), dim=di, perm=c(3, 1, 2))
```

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