math.percentRank

math.percentrankmathpercentrank

/apidoc/8.0/math:percent-rank.xml

Returns the rank of a value in a data set as a percentage of the data set. If the given value is not equal to any item in the sequence, the function returns the empty sequence. See math:rank.

The sequence of values.

arg

(String | Number | Boolean | null)[]

The value to be "ranked".

value

xs.anyAtomicType

Options. The default is ().

Options include:

"ascending"(default)

Rank the value as if the sequence was sorted in ascending order.

"descending"

Rank the value as if the sequence was sorted in descending order.

"collation=URI"

Applies only when $arg is of the xs:string type. If no specified, the default collation is used.

"coordinate-system=name"

Applies only when $arg is of the cts:point type. If no specified, the default coordinate system is used.

options

String[]

Number?

  math.percentRank([1, 7, 5, 5, 10, 9],9)

  => 0.833333333333333