Before you treat your discrete variables as categorical, consider whether you should at least evaluate the linear component by treating it as continuous. For variables with partial orderings, or with both linear and nonlinear components, consider combining continuous and categorical variables together.
Believe it or not, your credit score will be higher if you have 6-10 credit accounts than if you have just one or two. Here are action items to consider to improve this section of your credit report: 1  Pay on time. 2  Credit cards. 3  Utility bills. 4  Library dues.
In general, the lower your balances relative to credit limit, the better. Credit experts suggest keeping this ratio at 25% or less, but if you are trying to improve your score, you may want to aim for no more than 10%. (You do want to use at least one of your credit cards, though.