isSorted
Syntax
isSorted(X, [ascending=true])
Arguments
X is a vector.
ascending is a Boolean indicating whether X is sorted in ascending order(true) or descending order(false). The default value is true.
Details
Check whether a vector is sorted or not.
Examples
$ x=NULL 1 2 3
$ isSorted(x);
1
$ t=table(9 7 5 3 as x, 1 5 2 4 as y)
$ t.x.isSorted(false);
1
$ t.y.isSorted();
0