MapData

Apply a function to each value in an array.

Syntax

MapData(a1, function($val))

Arguments

• a1

  a variable representing the array to operate on

• function($val)

  any supported PE statement, as a function of $val, that performs an operation. $val is a placeholder for each value in the array

Returns

The transformed array of all the values

Exceptions

None

Notes

The output array has the same timestamps as the input array.

Example

• MapData(Data, (IF BadVal($val) THEN 0 ELSE $val))

  [From an array named Data, return a new array with bad values set to 0]