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RangeMax - script and chart function

RangeMax() returns the highest numeric values found within the expression or field.

Syntax:  

RangeMax(first_expr[, Expression])

Return data type: numeric

Arguments:  

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.

Limitations:  

If no numeric value is found, NULL is returned.

Examples and results:  

Function examples
Examples Results

RangeMax (1,2,4)

Returns 4
RangeMax (1,'xyz')

Returns 1

RangeMax (null( ), 'abc')

Returns NULL

Example:  

Add the example script to your app and run it. To see the result, add the fields listed in the results column to a sheet in your app.

RangeTab3:

LOAD recno() as RangeID, RangeMax(Field1,Field2,Field3) as MyRangeMax INLINE [

Field1, Field2, Field3

10,5,6

2,3,7

8,2,8

18,11,9

5,5,9

9,4,2

];

The resulting table shows the returned values of MyRangeMax for each of the records in the table.

Resulting table
RangeID MyRangeMax
1 10
2 7
3 8
4 18
5 9
6 9

Example with expression:

RangeMax (Above(MyField,0,3))

Returns the maximum value in the range of three values of MyField calculated on the current row and two rows above the current row. By specifying the third argument as 3, the Above() function returns three values, where there are sufficient rows above, which are taken as input to the RangeMax() function.

Data used in examples:

Tip noteDisable sorting of MyField to ensure that the example works as expected.
Sample data
MyField RangeMax (Above(Sum(MyField),1,3))
10 10
2 10
8 10
18 18
5 18
9 18

Data used in examples:

RangeTab:

LOAD * INLINE [

MyField

10

2

8

18

5

9

] ;

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