Recency, frequency, monetary value (RFM) a marketing analysis tool used to identify a firm's best clients, based on the nature of their spending habits. What is RFM Segmentation? RFM segmentation allows marketers to target specific clusters of customers with communications that are much more relevant for. RFM (recency, frequency, monetary) analysis is a marketing technique used to determine which customers are the best ones by examining how often a customer. RFM is a method used for analyzing customer value. RFM analysis increases eCommerce sales.