These observations were compared against calculations. According to John Ardoin, however, these two singers should never have been compared. Outbrain has often been compared with competitor Taboola. In studies, newer triptans are mostly compared to sumatriptan. Metaphors are most frequently compared with similes. Given a model, likelihood intervals can be compared to confidence intervals. Electoral systems can be compared by different means. This cannot be compared to anything else. OBE can be compared across different institutions. The group is often compared to Discordianism. Standard Urdu is often compared with Standard Hindi. Further, CASM should only be compared across airlines with care. The game has been positively compared to PUBG. It has also been compared to Microsoft HoloLens. Wage labor has long been compared to slavery.