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Table 1 Measures calculation formulas

From: A study on dynamic aspects variability in the SOLAR educational software ecosystem

Acronym Measure name Measure description
NC Number of contexts Number of contexts of a feature model
NAF Number of activated features Number of activated features in each context
NDF Number of deactivated features Number of deactivated features in each context
NCC Number of context constraints Number of constraints in a specific context
AFCA Number of activated features by context Number of activated features in a specific context/NC
DFCA Number of deactivated features by context Number of deactivated features in a specific context /NC
CF Number of context features Number of features that are always present in the feature model,
   regardless of the context that is enabled
CFC Number of context features in constraints Number of features that are related with constraints in a specific context