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pandas-dev / pandas

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

Python · featured in NumFocus, Scientific Open Source Software · source repository ↗ · updated Aug 19, 2026 17:13 UTC

38,455
Commits
28,380
Issues
37,754
Pull requests
2026-07-24
Last activity
2026-07-24
Last collected
Weekly activity
CommitsIssues openedPRs openedPRs merged (line)
050100150200250300Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26count

Weekly activity, trailing 12 months — sign in for 3y/5y windows and interactive charts.

Security posture

149 open vulnerabilities in dependencies (13 critical).

OpenSSF Scorecard
CheckScore
Overall score (as of 2026-07-24) 7.3
Binary-Artifacts10
Branch-Protection3
CII-Best-Practices0
CI-Tests10
Code-Review3
Contributors10
Dangerous-WorkflowN/A
Dependency-Update-Tool10
Fuzzing10
License10
Maintained10
PackagingN/A
Pinned-DependenciesN/A
SAST9
Security-Policy10
Signed-Releases0
Token-PermissionsN/A
Vulnerabilities10
CHAOSS metrics

Contributors↓ -1.47/week · R² 0.38

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-20020406080100120140160180200Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26people

Trailing 12 months, weekly — sign in for longer windows, trend analysis, and comparisons.

Change Requestsno meaningful trend · R² 0.02

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-20020406080100120140160Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26change requests

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Change Requests Mergedno meaningful trend · R² 0.00

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-20020406080100120Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26change requests

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Issues↓ -0.288/week · R² 0.38

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-505101520253035Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26issues

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Issues Closedno meaningful trend · R² 0.02

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-40-20020406080100120140Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26issues

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Code Change Commitsno meaningful trend · R² 0.01

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-20020406080100120Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26commits

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Committers↓ -0.253/week · R² 0.27

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-50510152025303540Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26people

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Burstiness↑ +0.007/week · R² 0.72

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-1-0.9-0.8-0.7-0.6-0.5-0.4-0.3-0.2-0.10Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26B coefficient

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Project Velocityno meaningful trend · R² 0.01

Raw weekly dataLinear trendTrend ± 2σ residual tubePoints breaching tube
-2-1.5-1-0.500.511.522.53Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26z-score

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Contributor Retention (Drive-by vs Repeat)

RepeatDrive-by
0102030405060Aug 25, 25Oct 8, 25Nov 22, 25Jan 5, 26Feb 19, 26Apr 5, 26May 19, 26Jul 3, 26Aug 17, 26contributors

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