Can I ask how to use 'weight' variable in descision tree and how to use cross validati

Also when using cross validation, which descision tree should we choose?

Thanks very much

Thank you!

|||

What do you mean by 'Weight variable'?

Also, regarding cross validation -- it is not built in in SQL Server 2005. If you write your own cross validation mechanism (either a stored procedure or some client side code), then you should be able to use it with any algorithm.