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The Album Charts are very similar to the Singles Charts, but with a couple of differences. The main difference is the tweaks to the algorithm that calculates how many units are sold each day. In the Singles Charts, sales of songs are clustered more closely together, while in the Album Charts the best albums sell exponentially more than the worst albums.
In other words, the Album Charts reward "doing the right things" much more than the Singles Charts do, by recognizing that putting together a "good" album takes more deliberate upfront work than a single, and that to put a "good" album together means forgoing Singles Chart earnings.