If you’ve spent time wandering around the Performance reports tab in the newAdsense interface, you’ve likely stumbled upon the Columns button. This button lets you customize your report to view earnings by page views, ad requests, matched requests and individual ad impressions. Selecting one of these options will change the columns and data shown in the table and graph. All other metrics, like CTR & RPM, will be based on the selection you choose. Read the whole article here.