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RangeMaxString - script and chart function

RangeMaxString() returns the last value in the text sort order that it finds in the expression or field.

Syntax:  

RangeMaxString(first_expr[, Expression])

Return data type: string

Arguments:  

The arguments of this function may contain inter-record functions which in themselves return a list of values.

Arguments
Argument Description
first_expr The expression or field containing the data to be measured.
Expression Optional expressions or fields containing the range of data to be measured.

Examples and results:  

Function examples
Examples Results
RangeMaxString (1,2,4)

Returns 4

RangeMaxString ('xyz','abc')

Returns 'xyz'
RangeMaxString (5,'abc') Returns 'abc'
RangeMaxString (null( ))

Returns NULL

Example with expression:

RangeMaxString (Above(MaxString(MyField),0,3))

Returns the last (in text sort order) of the three results of the MaxString(MyField) function evaluated on the current row and two rows above the current row.

Data used in examples:

Tip noteDisable sorting of MyField to ensure that the example works as expected.
Sample data
MyField RangeMaxString(Above(MaxString(MyField),0,3))
10

10

abc abc
8 abc
def def
xyz xyz
9 xyz

Data used in examples:

RangeTab:

LOAD * INLINE [

MyField

10

'abc'

8

'def'

'xyz'

9

] ;

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