Length of time range (in days) the analytics data miner will go back from the current date when mining query and click log records.
Can be set in: collection.cfg
This option specifies the length of time (in days) to go back from the current date when data mining query and click log records to generate relationship data.
The default setting specifies that the data miner should take account of queries and clicks going back 60 days from when it is run.
Specify that 90 days worth of data (going back from the current date) should be taken into account: