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Debian 2012 Project Leader

🔗 DPL2012     (tags: { debian , actual , orgpriv , 2012 })

Below is the ABIF from the "DPL2012" election (Debian 2012 Project Leader)

ABIF submission area (show)
Method options
Ballot options

Voting methods: IRV • FPTP • approval • STAR • Pairwise • All methods

Results

🔗https://abif.electorama.com/id/DPL2012

Below are the results of the election represented above using various election methods with abiftool/abiflib. The detected ballot type from the ABIF above is "ranked". Some methods may transform these ballots for analysis; see method notices for details. Resubmit the ABIF with "Transform ballots" turned off to minimize the transformations.

Method Winner
IRV/RCV Stefano Zacchiroli
FPTP Stefano Zacchiroli
Approval Stefano Zacchiroli
STAR Stefano Zacchiroli
Condorcet/Copeland Stefano Zacchiroli
Election results summary showing voting method winners
click/tap to expand
tabbed view

IRV/RCV results

DPL2012 IRV/RCV result permalink:
🔗https://abif.electorama.com/id/DPL2012/IRV#IRV

  • IRV/RCV Winner: Stefano Zacchiroli with 325 votes (80.6%) in final round
  • Runner-up: Wouter Verhelst with 30 votes (7.4%) in final round
  • Exhausted ballots in final round: 18 (4.5%)
  • Number of rounds: 1
  • Ballots counted in final round: 385 (95.5%)
  • Majority of ballots: 202 (50.1%)
  • Total ballots: 403
Round 1
Overview:
Active ballots: 403 (100.0%)

Exhausted ballots: 0 (0.0%)
Overvotes: 18 (4.5%)

Counted ballots: 385 (95.5%)
Winning threshold: 193 (47.89%)
IRV/RCV winner:
Stefano Zacchiroli: 325 (80.6%)✅
→
Wouter Verhelst: 30 (7.4%) (🛑eliminated)
→
Gergely Nagy: 26 (6.5%) (🛑eliminated)
→
None Of The Above: 4 (1.0%) (🛑eliminated)
→

Overvotes are ballots where multiple candidates are ranked at the same, highest-ranking position.

FPTP result

"FPTP" is "First-past-the-post", also known as "plurality" or "choose-one"
DPL2012 FPTP results permalink:
🔗https://abif.electorama.com/id/DPL2012/FPTP#FPTP
📝
Note — Only using first-choices on ranked ballots

  • FPTP Winner: Stefano Zacchiroli with 325 first-place votes (80.6%)
  • Runner-up: Wouter Verhelst with 30 first-place votes (7.4%)
  • Margin of victory: 295 votes (73.2 percentage points)
  • First-place votes
    • Stefano Zacchiroli: 325 votes (80.6 %)
    • Wouter Verhelst: 30 votes (7.4 %)
    • Gergely Nagy: 26 votes (6.5 %)
    • None Of The Above: 4 votes (1.0 %)
  • Overvotes: 18 (4.5 %)
  • Total ballots: 403

Approval voting results

DPL2012 approval voting results permalink:
🔗https://abif.electorama.com/id/DPL2012/approval#approval
📝
Note — Approval counts estimated from 403 ranked ballots using favorite_viable_half method
Details

The 'favorite_viable_half' conversion algorithm: find the candidate with the most first preferences, and then determine the minimum number of figurative seats that would need to be open in order for the candidate to exceed the Hare quota with the given first-prefs. We use this to estimate how many candidates are likely to be viable candidates.

Using first-choice vote totals as a rough guide, approximately 2 candidates appear viable: Stefano Zacchiroli and Wouter Verhelst. The approximation then assumes each voter approves up to 1 of their top-ranked viable candidates (half of 2). All candidates ranked at or above the lowest-ranked of each ballot's top viable candidates receive approval (considering up to 1 viable candidates per ballot).

See transformed ballots

Note: For Approval, these choose_many ballots are inferred from ranked ballots.

Conversion method: favorite_viable_half

#------- metadata -------
{ballotcount: 403}
{ballotcount_abif_metadata: "403"}
{description: "2012 Debian Project Leader election, won by Stefano Zacchiroli"}
{is_ranking_to_rating: true}
#------ candlines ------
=WouterVerhelst:[Wouter Verhelst]
=GergelyNagy:[Gergely Nagy]
=StefanoZacchiroli:[Stefano Zacchiroli]
=NOTA:[None Of The Above]
#------- votelines ------
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  • Approval Winner: Stefano Zacchiroli
  • Approval Results:
    • Stefano Zacchiroli (StefanoZacchiroli) — 342 approvals (84.86% of ballots) (✅ winner)
    • Wouter Verhelst (WouterVerhelst) — 38 approvals (9.43% of ballots)
    • Gergely Nagy (GergelyNagy) — 22 approvals (5.46% of ballots)
    • None Of The Above (NOTA) — 6 approvals (1.49% of ballots)
  • Total: 403 ballots (408 total approvals)

STAR results

DPL2012 STAR results permalink:
🔗https://abif.electorama.com/id/DPL2012/STAR#STAR
📝
Note — STAR ratings estimated from ranked ballots using Borda scoring method
Details

The ranked ballots have been converted to STAR ratings using Borda scoring: each candidate receives points equal to (number_of_candidates - their_rank). In this election, we have 4 candidates, so the 1st choice gets 3 points, the 2nd choice gets 2 points, etc. These Borda scores are then used as STAR ratings for tabulation by STAR.

  • STAR winner: Stefano Zacchiroli
  • Finalists: Stefano Zacchiroli vs Wouter Verhelst
  • Runoff result:
    • Stefano Zacchiroli: 347 votes (86.1%)
    • Wouter Verhelst: 37 votes (9.2%)
    • No preference: 19 voters (4.7%)
  • Total stars allocated: 2,474
  • Total ballots: 403
★★★★★★

★★★★★

★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
(one star above is approximately 49 stars allocated by voters)
  • First round:
    • ★#0: Stefano Zacchiroli received 1,118 stars (45.2%) from 394 voters (97.8%)
    • ★#1: Wouter Verhelst received 640 stars (25.9%) from 340 voters (84.4%)
    • ★#2: Gergely Nagy received 504 stars (20.4%) from 308 voters (76.4%)
    • ★#3: None Of The Above received 212 stars (8.6%) from 147 voters (36.5%)
  • Finalists:
    • ★Stefano Zacchiroli (✅ winner) preferred by 347 of 403 voters
    • ★Wouter Verhelst preferred by 37 of 403 voters
    • ★No preference between the finalists: 19

NOTE: Since ratings or stars are not present in the provided ballots, allocated stars are estimated using a Borda-like formula.

Condorcet/Copeland results

DPL2012 Condorcet/Copeland results permalink:
🔗https://abif.electorama.com/id/DPL2012/pairwise#pairwise
  • Winner: Stefano Zacchiroli
  • Runner-up: Wouter Verhelst (beats all other candidates except Stefano Zacchiroli)
  • Smallest margin: Wouter Verhelst over Gergely Nagy (203-97; margin: 106)
  • Largest margin: Stefano Zacchiroli over None Of The Above (385-12; margin: 373)
  • Pairwise ties: none
  • Total ballots: 403

Win-loss-tie (Condorcet/Copeland) table

DPL2012 w-l-t table permalink:
🔗https://abif.electorama.com/id/DPL2012/pairwise#wlt
Debian 2012 Project Leader pairwise matchups
Stefano Zacchiroli
(3-0-0)
Stefano Zacchiroli
3 victories ⇣
Wouter Verhelst
(2-1-0)
Stefano Zacchiroli: 347(86.1%)
Wouter Verhelst: 37(9.2%)
(No preference: 19; 4.7%)
Wouter Verhelst
⇽ 1 loss / 2 victories† ⇣
Gergely Nagy
(1-2-0)
Stefano Zacchiroli: 354(87.8%)
Gergely Nagy: 34(8.4%)
(No preference: 15; 3.7%)
Wouter Verhelst: 203(50.4%)
Gergely Nagy: 97(24.1%)
(No preference: 103; 25.6%)
Gergely Nagy
⇽ 2 losses / 1 victory† ⇣
None Of The Above
(0-3-0)
Stefano Zacchiroli: 385(95.5%)
None Of The Above: 12(3.0%)
(No preference: 6; 1.5%)
Wouter Verhelst: 310(76.9%)
None Of The Above: 60(14.9%)
(No preference: 33; 8.2%)
Gergely Nagy: 281(69.7%)
None Of The Above: 78(19.4%)
(No preference: 44; 10.9%)

Pairwise tournament (Copeland ordered)

DPL2012 pairwise diagram permalink:
🔗https://abif.electorama.com/id/DPL2012/pairwise#dot

%3 StefanoZacchiroli StefanoZacchiroli 3-0-0 (3 wins, 0 losses, 0 ties) WouterVerhelst WouterVerhelst 2-1-0 StefanoZacchiroli->WouterVerhelst ← StefanoZacchiroli: 347 WouterVerhelst: 37 GergelyNagy GergelyNagy 1-2-0 StefanoZacchiroli->GergelyNagy ← StefanoZacchiroli: 354 GergelyNagy: 34 NOTA NOTA 0-3-0 StefanoZacchiroli->NOTA ← StefanoZacchiroli: 385 NOTA: 12 WouterVerhelst->GergelyNagy ← WouterVerhelst: 203 GergelyNagy: 97 WouterVerhelst->NOTA ← WouterVerhelst: 310 NOTA: 60 GergelyNagy->NOTA ← GergelyNagy: 281 NOTA: 78

Voting methods: IRV • FPTP • approval • STAR • Pairwise • All methods

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