Heaviness from parent packages
An object returned by
Whether to return the absolute measure or the relative measure.
A constant added for calculating the relative measure.
The heaviness from a parent package is calculated as follows: If package B is in the "Depends"/"Imports"/"LinkingTo" fields of package A,
which means, package B is necessary for package A, denote
v1 as the total numbers of packages required for package A,
v2 as the total number of required packages if moving package B to "Suggests" (which means, now B is not necessary when for A).
The absolute measure is simply
v1 - v2 and relative measure is
(v1 + a)/(v2 + a).
In the second scenario, if B is in the "Suggests/Enhances" fields of package A, now
v2 is the total number of required packages if moving
B to "Imports", the absolute measure is
v2 - v1 and relative measure is
(v2 + a)/(v1 + a).
A numeric vector.
1 2 3
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