Min() finds the lowest value of the aggregated data. By specifying a rank n, the nth lowest value can be found.
Syntax:
Min({[SetExpression] [TOTAL [<fld {,fld}>]]} expr [,rank])
Return data type: numeric
Arguments:
| Argument | Description |
|---|---|
| expr | The expression or field containing the data to be measured. |
| rank | The default value of rank is 1, which corresponds to the lowest value. By specifying rank as 2, the second lowest value is returned. If rank is 3, the third lowest value is returned, and so on. |
| SetExpression | By default, the aggregation function will aggregate over the set of possible records defined by the selection. An alternative set of records can be defined by a set analysis expression. |
| TOTAL |
If the word TOTAL occurs before the function arguments, the calculation is made over all possible values given the current selections, and not just those that pertain to the current dimensional value, that is, it disregards the chart dimensions. By using TOTAL [<fld {.fld}>], where the TOTAL qualifier is followed by a list of one or more field names as a subset of the chart dimension variables, you create a subset of the total possible values. |
Examples and results:
| Customer | Product | UnitSales | UnitPrice |
|---|---|---|---|
| Astrida | AA | 4 | 16 |
| Astrida | AA | 10 | 15 |
| Astrida | BB | 9 | 9 |
| Betacab | BB | 5 | 10 |
| Betacab | CC | 2 | 20 |
| Betacab | DD | - | 25 |
| Canutility | AA | 8 | 15 |
| Canutility | CC | - | 19 |
| Examples | Results |
|---|---|
|
Min(UnitSales) |
2, because this is the lowest non-NULL value in UnitSales. |
|
The value of an order is calculated from the number of units sold in (UnitSales) multiplied by the unit price. Min(UnitSales*UnitPrice) |
40, because this is the lowest non-NULL value result of calculating all possible values of (UnitSales)*(UnitPrice). |
|
Min(UnitSales, 2) |
4, which is the second lowest value (after the NULL values). |
|
Min(TOTAL UnitSales) |
2, because the TOTAL qualifier means the lowest possible value is found, disregarding the chart dimensions. For a chart with Customer as dimension, the TOTAL qualifier will ensure the minimum value across the full dataset is returned, instead of the minimum UnitSales for each customer. |
|
Make the selection Customer B. Min({1} TOTAL UnitSales) |
2, which is independent of the selection of Customer B. The Set Analysis expression {1} defines the set of records to be evaluated as ALL, no matter what selection is made. |
Data used in examples:
ProductData:
LOAD * inline [
Customer|Product|UnitSales|UnitPrice
Astrida|AA|4|16
Astrida|AA|10|15
Astrida|BB|9|9
Betacab|BB|5|10
Betacab|CC|2|20
Betacab|DD||25
Canutility|AA|8|15
Canutility|CC||19
] (delimiter is '|');