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Table 2 Describing the study according to GQM

From: Product line architecture recovery with outlier filtering in software families: the Apo-Games case study

Goal

Evaluating cost-effectiveness of the proposed approach

Purpose

Analyze the impact of outliers filtering

With respect to

PLA recovering

From the point of view

Architects, engineers, and programmers

In the context of

SPL extraction from Apo-Games variants

Question

Metric

RQ1

Jaccard similarity

RQ2

LOC, number of packages and classes exclusive to a variant

RQ3

SSC, SVC, RSC, RVC