In the statistics you can "filter out" the data by categories (expenses, aims, earnings, accounts) and also by tags. Plus, by time interval.
a) Filter by categories or tags.
Position the pointer over the "Add filter" line above the scale.
Choose the category or tag you need from the drop-down list or start entering the word using the keyboard.
You can choose several categories or tags.
b) Filter by category.
Click on the Account icon, expenses category or incomes category on CoinKeeper homescreen.
c) Timeline filter.
Specify the period of time clicking calendar icon. It will also be displayed in "Add filter" area.