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 argument expressions of this function may contain inter-record functions with a third optional parameter, which in themselves return a range of values.
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:
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:
MyField | RangeMaxString(Above(MaxString(MyField),0,3)) |
---|---|
10 |
10 |
abc | abc |
8 | abc |
def | def |
xyz | xyz |
9 | xyz |
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