pretty.Date | R Documentation |

Compute a sequence of about `n+1`

equally spaced ‘nice’
values which cover the range of the values in `x`

, possibly of
length one, when `min.n = 0`

and there is only one unique
`x`

.

## S3 method for class 'Date' pretty(x, n = 5, min.n = n %/% 2, sep = " ", ...) ## S3 method for class 'POSIXt' pretty(x, n = 5, min.n = n %/% 2, sep = " ", ...)

`x` |
an object of class |

`n` |
integer giving the |

`min.n` |
nonnegative integer giving the |

`sep` |
character string, serving as a separator for certain formats (e.g., between month and year). |

`...` |
further arguments for compatibility with the generic, ignored. |

A vector (of the suitable class) of locations, with attribute
`"labels"`

giving corresponding formatted character labels.

`pretty`

for the default method.

pretty(Sys.Date()) pretty(Sys.time(), n = 10) pretty(as.Date("2000-03-01")) # R 1.0.0 came in a leap year ## time ranges in diverse scales:% also in ../../../../tests/reg-tests-1c.R require(stats) steps <- setNames(, c("10 secs", "1 min", "5 mins", "30 mins", "6 hours", "12 hours", "1 DSTday", "2 weeks", "1 month", "6 months", "1 year", "10 years", "50 years", "1000 years")) x <- as.POSIXct("2002-02-02 02:02") lapply(steps, function(s) { at <- pretty(seq(x, by = s, length.out = 2), n = 5) attr(at, "labels") })

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