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Debian 2017 Project Leader

🔗 DPL2017     (tags: { debian , actual , orgpriv , 2017 })

Below is the ABIF from the "DPL2017" election (Debian 2017 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/DPL2017

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 Chris Lamb
FPTP Chris Lamb
Approval Chris Lamb
STAR Chris Lamb
Condorcet/Copeland Chris Lamb
Election results summary showing voting method winners
click/tap to expand
tabbed view

IRV/RCV results

DPL2017 IRV/RCV result permalink:
🔗https://abif.electorama.com/id/DPL2017/IRV#IRV

  • IRV/RCV Winner: Chris Lamb with 158 votes (49.1%) in final round
  • Runner-up: Mehdi Dogguy with 132 votes (41.0%) in final round
  • Exhausted ballots in final round: 26 (8.1%)
  • Number of rounds: 1
  • Ballots counted in final round: 296 (91.9%)
  • Majority of ballots: 162 (50.3%)
  • Total ballots: 322
Round 1
Overview:
Active ballots: 322 (100.0%)

Exhausted ballots: 0 (0.0%)
Overvotes: 26 (8.1%)

Counted ballots: 296 (91.9%)
Winning threshold: 149 (46.27%)
IRV/RCV winner:
Chris Lamb: 158 (49.1%)✅
→
Mehdi Dogguy: 132 (41.0%) (🛑eliminated)
→
None Of The Above: 6 (1.9%) (🛑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"
DPL2017 FPTP results permalink:
🔗https://abif.electorama.com/id/DPL2017/FPTP#FPTP
📝
Note — Only using first-choices on ranked ballots

  • FPTP Winner: Chris Lamb with 158 first-place votes (49.1%)
  • Runner-up: Mehdi Dogguy with 132 first-place votes (41.0%)
  • Margin of victory: 26 votes (8.1 percentage points)
  • First-place votes
    • Chris Lamb: 158 votes (49.1 %)
    • Mehdi Dogguy: 132 votes (41.0 %)
    • None Of The Above: 6 votes (1.9 %)
  • Overvotes: 26 (8.1 %)
  • Total ballots: 322

Approval voting results

DPL2017 approval voting results permalink:
🔗https://abif.electorama.com/id/DPL2017/approval#approval
📝
Note — Approval counts estimated from 322 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: Chris Lamb and Mehdi Dogguy. 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: 322}
{ballotcount_abif_metadata: "322"}
{description: "2017 Debian Project Leader election, won by Chris Lamb"}
{is_ranking_to_rating: true}
#------ candlines ------
=MehdiDogguy:[Mehdi Dogguy]
=ChrisLamb:[Chris Lamb]
=NOTA:[None Of The Above]
#------- votelines ------
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  • Approval Winner: Chris Lamb
  • Approval Results:
    • Chris Lamb (ChrisLamb) — 163 approvals (50.62% of ballots) (✅ winner)
    • Mehdi Dogguy (MehdiDogguy) — 133 approvals (41.3% of ballots)
    • None Of The Above (NOTA) — 6 approvals (1.86% of ballots)
  • Total: 322 ballots (302 total approvals)

STAR results

DPL2017 STAR results permalink:
🔗https://abif.electorama.com/id/DPL2017/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 3 candidates, so the 1st choice gets 2 points, the 2nd choice gets 1 points, etc. These Borda scores are then used as STAR ratings for tabulation by STAR.

  • STAR winner: Chris Lamb
  • Finalists: Chris Lamb vs Mehdi Dogguy
  • Runoff result:
    • Chris Lamb: 163 votes (50.6%)
    • Mehdi Dogguy: 132 votes (41.0%)
    • No preference: 27 voters (8.4%)
  • Total stars allocated: 1,002
  • Total ballots: 322
★★★★★★

★★★★★

★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
(one star above is approximately 20 stars allocated by voters)
  • First round:
    • ★#0: Chris Lamb received 494 stars (49.3%) from 310 voters (96.3%)
    • ★#1: Mehdi Dogguy received 460 stars (45.9%) from 302 voters (93.8%)
    • ★#2: None Of The Above received 48 stars (4.8%) from 41 voters (12.7%)
  • Finalists:
    • ★Chris Lamb (✅ winner) preferred by 163 of 322 voters
    • ★Mehdi Dogguy preferred by 132 of 322 voters
    • ★No preference between the finalists: 27

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

Condorcet/Copeland results

DPL2017 Condorcet/Copeland results permalink:
🔗https://abif.electorama.com/id/DPL2017/pairwise#pairwise
  • Winner: Chris Lamb
  • Runner-up: Mehdi Dogguy (beats all other candidates except Chris Lamb)
  • Smallest margin: Chris Lamb over Mehdi Dogguy (163-132; margin: 31)
  • Largest margin: Chris Lamb over None Of The Above (303-12; margin: 291)
  • Pairwise ties: none
  • Total ballots: 322

Win-loss-tie (Condorcet/Copeland) table

DPL2017 w-l-t table permalink:
🔗https://abif.electorama.com/id/DPL2017/pairwise#wlt
Debian 2017 Project Leader pairwise matchups
Chris Lamb
(2-0-0)
Chris Lamb
2 victories ⇣
Mehdi Dogguy
(1-1-0)
Chris Lamb: 163(50.6%)
Mehdi Dogguy: 132(41.0%)
(No preference: 27; 8.4%)
Mehdi Dogguy
⇽ 1 loss / 1 victory† ⇣
None Of The Above
(0-2-0)
Chris Lamb: 303(94.1%)
None Of The Above: 12(3.7%)
(No preference: 7; 2.2%)
Mehdi Dogguy: 299(92.9%)
None Of The Above: 17(5.3%)
(No preference: 6; 1.9%)

Pairwise tournament (Copeland ordered)

DPL2017 pairwise diagram permalink:
🔗https://abif.electorama.com/id/DPL2017/pairwise#dot

%3 ChrisLamb ChrisLamb 2-0-0 (2 wins, 0 losses, 0 ties) MehdiDogguy MehdiDogguy 1-1-0 ChrisLamb->MehdiDogguy ← ChrisLamb: 163 MehdiDogguy: 132 NOTA NOTA 0-2-0 ChrisLamb->NOTA ← ChrisLamb: 303 NOTA: 12 MehdiDogguy->NOTA ← MehdiDogguy: 299 NOTA: 17

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

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