RangeSum() returns the sum of a range of values.All non-numeric values are treated as 0, unlike the + operator.
Syntax:
RangeSum(first_expr[, Expression])
Return data type: numeric
Arguments:
The arguments of this function may contain inter-record functions which in themselves return a list 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. |
Limitations:
The RangeSumfunction treats all non-numeric values as 0, unlike the + operator.
Examples and results:
| Examples | Results | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RangeSum (1,2,4) |
Returns 7 |
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| RangeSum (5,'abc') | Returns 5 | ||||||||||||||||
| RangeSum (null( )) |
Returns 0 |
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|
Add the example script to your app and run it. Then add, at least, the fields listed in the results column to a sheet in your app to see the result. RangeTab3: LOAD recno() as RangeID, Rangesum(Field1,Field2,Field3) as MyRangeSum INLINE [ Field1, Field2, Field3 10,5,6 2,3,7 8,2,8 18,11,9 5,5,9 9,4,2 ]; |
|
Example with expression:
RangeSum (Above(MyField,0,3))
Returns the sum of the three values of MyField): from 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 RangeSum() function.
Data used in examples:
| MyField | RangeSum(Above(MyField,0,3)) |
|---|---|
| 10 | 10 |
|
2 |
12 |
| 8 | 20 |
| 18 | 28 |
| 5 | 31 |
| 9 | 32 |
Data used in examples:
RangeTab:
LOAD * INLINE [
MyField
10
2
8
18
5
9
] ;
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