Definition: In the context of data analysis, "recency" refers to the earliest date from which a particular observation or event was recorded. This can be measured through various methods such as timestamps in databases, web logs, or other sources that record events.
For example, if you have a database containing information about customer orders, and each order is recorded at a specific timestamp (e.g., 2019-05-01T14:30:00), the rec
recency