NoD
: Number of developers
NAD
: Number of Active Days of an author on a project
NCD
: Number of Commits per Developer in a project
SDC
: Standard Deviation of Commits per developer in a project
NoCD
: Number of Core Developers
PCD
: Percentage of Core Developers
NSD
: Number of Sponsored Developers
PSD
: Percentage of Sponsored Developers
NPR
: Total number of Pull Requests
SAPR
: Standard deviation of authors per PR
ANAP
: Average number of authors per PR
NIS
: Number of Issues
SDAI
: Standard deviation of authors per issue report
ANAI
: The average number of authors per issue report
GDC
: Graph Degree centrality
SDD
: Standard Deviation of a graph Degree centrality in a project
GBC
: Graph Betweenness Centrality
GCC
: Graph Closeness Centrality
ND
: Network Density
NC
: Number of communities
ACC
: Average of Commits per Community
SCC
: Standard deviation of Commits per Community
ADC
: Average number of Developers per Community
SDC
: Standard deviation of Developers per Community
TZ
: Number of time zones
ACZ
: Average of Commits per time Zone
SCZ
: Standard deviation of Commits per time Zones
ADZ
: Average number of Developers per time Zone
SDZ
: Standard deviation of Developers per time Zones
NR
: Number of Releases in a project
PCR
: Parentage of Commits per Release
SCR
: Standard deviation of Commits per Release
FN
: Formal Network
ADPR
: Average number of days per PR
ADI
: Average number of days per issue report
BFN
: Bus Factor Number
TFN
: Truck Factor Number
TFC
: Truck Factor Coverage
ANCPR
: Average number of comments per PR
SCPR
: Standard deviation of commits per PR
NCI
: Number Comments in issues
ANCI
: Average number of comments per issue report
SDCI
: Standard Deviation of Comments Count per issue report
RTCPR
: Ratio of toxic comments in PR discussions
RTCI
: Ratio of toxic comments in issue discussions
RPCPR
: Ratio of polite comments in PR discussions
RPCI
: Ratio of polite comments in issue discussions
RINC
: Ratio of issues with negative sentiments
RNSPRC
: Ratio of negative sentiments in PR comments
RAWPR
: Ratio of anger words in PR discussions
PSD
: Percentage of Sponsored Developers
RAWI
: Ratio of anger words in PR discussions
ACCL
: Average Communication Comments Length