{"name":"is.unsorted","title":"Test if an Object is Not Sorted","pagetitle":"Test if an Object is Not Sorted — is.unsorted","aliases":"is.unsorted","author":[],"keywords":"univar","description":"

Test if an object is not sorted (in increasing order), without the\n cost of sorting it.

","usage":"is.unsorted(x, na.rm = FALSE, strictly = FALSE)","arguments":[{"name":"x","description":"

an R object with a class or a numeric, complex, character,\n logical or raw vector.

"},{"name":"na.rm","description":"

logical. Should missing values be removed before checking?

"},{"name":"strictly","description":"

logical indicating if the check should be for\n strictly increasing values.

"}],"has_args":true,"sections":[],"value":"

A length-one logical value. All objects of length 0 or 1 are sorted.\n Otherwise, the result will be NA except for atomic vectors and\n objects with an S3 class (where the >= or > method is\n used to compare x[i] with x[i-1] for i in\n 2:length(x)) or with an S4 class where you have to provide a\n method for is.unsorted().\n

","note":"

This function is designed for objects with one-dimensional indices, as\n described above. Data frames, matrices and other arrays may give\n surprising results.

","seealso":"

sort, order.

","package":{"package":"base","version":"3.4.1"}}

Description

Usage

Arguments

Value

See Also