firstHit

Syntax

firstHit(func, X, target)

Arguments

func can only be the following operators: >, >=, <, <=, !=, <>, ==.

X is a vector/matrix/table.

target is a scalar of the same type as X indicating the value to be compared with X.

Details

Return the first element in X that satisfies the condition X func target (e.g. X>5). If no element in X satisfies the condition, return a NULL vlaue.

NULL values are ignored in firstHit. Use firstNot to find the first non-NULL value.

Examples

X = NULL 3.2 4.5 1.2 NULL 7.8 0.6 9.1
firstHit(<, X, 2.5)
// output
1.2

// return null value if no element satisfies the condition
firstHit(>, X, 10.0)
// output
NULL

Related Function: ifirstHit