Description Usage Arguments Details Value Author(s) Examples

estimates coordinates of elements, neatly arranged on a plot.

1 2 | ```
coordinates(pos = NULL, mx = 0.0, my = 0.0, N = length(pos),
hor = TRUE, relsize = 1)
``` |

`pos ` |
vector specifying the number of elements in each row, or
2-columned matrix with element position, or |

`mx ` |
horizontal shift (x). |

`my ` |
vertical shift (y). |

`N ` |
total number of elements to be positioned - only if pos= |

`hor ` |
only if |

`relsize ` |
scaling factor as a function of graph size. |

the position of the elements are specified with `pos`

, which is
either `NULL`

, or a vector specifying the number of elements on a row,
or a 2-columned matrix specifying the (x,y) position of each element.

when

`pos`

is`NULL`

, the elements will be arranged on a circle; in this case, the number of elements to be positioned must be specified with`N`

.when

`pos`

is a vector, it specifies the number of elements in each row (if`hor =TRUE`

) or in each column (if`hor = FALSE`

).For instance, with

`hor=TRUE`

and`pos = c(3,2,1)`

the elements will be arranged in 3 rows (length of vector); on the top row 3 elements; on the second row 2; and on the third row 1 element will be positioned. All elements within a row are equally distributed horizontally; all rows are equally distributed vertically;when

`pos`

is a matrix, it specifies the x(1st column) and y(2nd column) position of each element and is returned as such.

The offset from the x-axis and from the y-axis can be changed with
`mx`

and `my`

.

2-columned matrix, with coordinates (x,y) of each of the elements

Karline Soetaert <[email protected]>

1 2 3 4 5 6 7 8 9 10 11 12 13 | ```
openplotmat(main = "coordinates")
text(coordinates(N = 6), lab = LETTERS[1:6], cex = 2)
text(coordinates(N = 8, relsize = 0.5), lab = letters[1:8], cex = 2)
openplotmat(main = "coordinates")
text(coordinates(pos = c(2, 4, 2)), lab = letters[1:8], cex = 2)
plot(0, type = "n", xlim = c(0, 5), ylim = c(2, 8), main = "coordinates")
text(coordinates(pos = c(2, 4, 3), hor = FALSE), lab = 1:9, cex = 2)
``` |

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