So if you want to change the scale from Fahrenheit to Celsius in the weather app, here is how to do it. The following method is for Windows Consumer Preview and Release Preview.
When data seems to be gathered around a particular value. For example: for the values 2, 6, 7, 8, 8.5, 10, 15, there is a cluster around the value 8. See: Outlier.
A clustering is essentially a set of such clusters, usually containing all objects in the data set. Additionally, it may specify the relationship of the clusters to each other, for example, a hierarchy of clusters embedded in each other.