What are two types of Metrics?

Process metrics: Primary metrics are also called as Process metrics. This is the metric the Six Sigma practitioners care about and can influence. Primary metrics are almost the direct output characteristic of a process. It is a measure of a process and not a measure of a high-level business objective. Primary Process metrics are usually Process Defects, Process cycle time and Process consumption.
Product metrics: Product metrics quantitatively characterize some aspect of the structure of a software product, such as a requirements specification, a design, or source code.

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