Presolve aggregation
 Type: int
 Default value: 1
 Minimum value: 0
 Maximum value: 2

Controls the aggregation level in presolve. The options are off (0), moderate (1), or aggressive (2). In rare instances, aggregation can lead to an accumulation of numerical errors. Turning it off can sometimes improve solution accuracy.

For examples of how to query or modify parameter values from our different APIs, refer to our Parameter Examples.