class - script and chart function
The class function assigns the first parameter to a class interval. The result is a dual value with a<=x<b as the textual value, where a and b are the upper and lower limits of the bin, and the lower bound as numeric value.
Syntax:
class(expression, interval [ , label [ , offset ]])
Arguments:
Argument | Description |
---|---|
interval | A number that specifies the bin width. |
label | An arbitrary string that can replace the 'x' in the result text. |
offset | A number that can be used as offset from the default starting point of the classification. The default starting point is normally 0. |
Examples:
Example | Result |
---|---|
class( var,10 ) with var = 23 | returns '20<=x<30' |
class( var,5,'value' ) with var = 23 | returns '20<= value <25' |
class( var,10,'x',5 ) with var = 23 | returns '15<=x<25' |