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DISTRICT_ATTORNEY (SanFrancisco; 2019-11-05)

🔗 2019-11-05_SanFrancisco-DISTRICT_ATTORNEY     (tags: { from-bolson , actual , SF , 2019-11 , SanFrancisco_CA , CA , SanFrancisco-2019 , 2019 })

Below is the ABIF from the "2019-11-05_SanFrancisco-DISTRICT_ATTORNEY" election (DISTRICT_ATTORNEY (SanFrancisco; 2019-11-05))

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

Results

🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY

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 "choose_one". 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
FPTP CHESA BOUDIN
Approval CHESA BOUDIN
IRV/RCV CHESA BOUDIN
STAR CHESA BOUDIN
Condorcet/Copeland CHESA BOUDIN
Election results summary showing voting method winners
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tabbed view

FPTP result

"FPTP" is "First-past-the-post", also known as "plurality" or "choose-one"
2019-11-05_SanFrancisco-DISTRICT_ATTORNEY FPTP results permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/FPTP#FPTP

  • FPTP Winner: CHESA BOUDIN with 68,436 first-place votes (33.2%)
  • Runner-up: SUZY LOFTUS with 59,554 first-place votes (28.9%)
  • Margin of victory: 8,882 votes (4.3 percentage points)
  • First-place votes
    • CHESA BOUDIN: 68,436 votes (33.2 %)
    • SUZY LOFTUS: 59,554 votes (28.9 %)
    • NANCY TUNG: 36,906 votes (17.9 %)
    • LEIF DAUTCH: 26,671 votes (12.9 %)
    • Write-in: 1,090 votes (0.5 %)
  • Blanks: 13,460 (6.5 %)
  • Total ballots: 206,117

Approval voting results

2019-11-05_SanFrancisco-DISTRICT_ATTORNEY approval voting results permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/approval#approval
📝
Note — Approvals inferred from choose_one ballots
Details

Approval results are derived by treating each voter's single top choice as their only approval. Lower preferences are not available on choose_one ballots.

  • Approval Winner: CHESA BOUDIN
  • Approval Results:
    • CHESA BOUDIN — 68,436 approvals (33.2% of ballots) (✅ winner)
    • SUZY LOFTUS — 59,554 approvals (28.89% of ballots)
    • NANCY TUNG — 36,906 approvals (17.91% of ballots)
    • LEIF DAUTCH — 26,671 approvals (12.94% of ballots)
    • Write-in — 1,090 approvals (0.53% of ballots)
  • Total: 206,117 ballots (192,657 total approvals)

IRV/RCV results

2019-11-05_SanFrancisco-DISTRICT_ATTORNEY IRV/RCV result permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/IRV#IRV
📝
Note — IRV/RCV applied to choose_one ballots (no transfers)
Details

These ballots indicate only a single top choice per voter. IRV/RCV on choose_one ballots cannot transfer votes or use lower preferences, so the result is equivalent to plurality on first choices.

  • IRV/RCV Winner: CHESA BOUDIN with 68,436 votes (33.2%) in final round
  • Runner-up: SUZY LOFTUS with 59,554 votes (28.9%) in final round
  • Exhausted ballots in final round: 78,127 (37.9%)
  • Number of rounds: 4
  • Ballots counted in final round: 127,990 (62.1%)
  • Majority of ballots: 103,059 (50.0%)
  • Total ballots: 206,117
Round 1 Round 2 Round 3 Round 4
Overview:
Active ballots: 206,117 (100.0%)

Exhausted ballots: 13,460 (6.5%)
Counted ballots: 192,657 (93.5%)
Winning threshold: 96,329 (46.74%)
 		Overview:
Active ballots: 206,117 (100.0%)

Exhausted ballots: 14,550 (7.1%)
Counted ballots: 191,567 (92.9%)
Winning threshold: 95,784 (46.47%)
 		Overview:
Active ballots: 206,117 (100.0%)

Exhausted ballots: 41,221 (20.0%)
Counted ballots: 164,896 (80.0%)
Winning threshold: 82,449 (40.00%)
 		Overview:
Active ballots: 206,117 (100.0%)

Exhausted ballots: 78,127 (37.9%)
Counted ballots: 127,990 (62.1%)
Winning threshold: 63,996 (31.05%)
CHESA BOUDIN: 68,436 (33.2%)
→
 CHESA BOUDIN: 68,436 (33.2%)
→
 CHESA BOUDIN: 68,436 (33.2%)
→
 IRV/RCV winner:
CHESA BOUDIN: 68,436 (33.2%)✅
→
SUZY LOFTUS: 59,554 (28.9%)
→
 SUZY LOFTUS: 59,554 (28.9%)
→
 SUZY LOFTUS: 59,554 (28.9%)
→
 SUZY LOFTUS: 59,554 (28.9%) (🛑eliminated)
→
NANCY TUNG: 36,906 (17.9%)
→
 NANCY TUNG: 36,906 (17.9%)
→
 NANCY TUNG: 36,906 (17.9%) (🛑eliminated)
→
 NANCY TUNG
LEIF DAUTCH: 26,671 (12.9%)
→
 LEIF DAUTCH: 26,671 (12.9%) (🛑eliminated)
→
 LEIF DAUTCH LEIF DAUTCH
Write-in: 1,090 (0.5%) (🛑eliminated)
→
 Write-in Write-in Write-in

STAR results

2019-11-05_SanFrancisco-DISTRICT_ATTORNEY STAR results permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/STAR#STAR
📝
Note — STAR interpretation from choose_one ballots
Details

Choose_one ballots provide only each voter's top choice and no ratings. STAR results shown here are computed without true ratings and should be interpreted cautiously.

  • STAR winner: CHESA BOUDIN
  • Finalists: CHESA BOUDIN vs SUZY LOFTUS
  • Runoff result:
    • CHESA BOUDIN: 68,436 votes (33.2%)
    • SUZY LOFTUS: 59,554 votes (28.9%)
    • No preference: 78127 voters (37.9%)
  • Total stars allocated: 770,628
  • Total ballots: 206,117
★★★★★★

★★★★★

★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
(one star above is approximately 15,413 stars allocated by voters)
  • First round:
    • ★#0: CHESA BOUDIN received 273,744 stars (35.5%) from 68,436 voters (33.2%)
    • ★#1: SUZY LOFTUS received 238,216 stars (30.9%) from 59,554 voters (28.9%)
    • ★#2: NANCY TUNG received 147,624 stars (19.2%) from 36,906 voters (17.9%)
    • ★#3: LEIF DAUTCH received 106,684 stars (13.8%) from 26,671 voters (12.9%)
    • ★#4: Write-in received 4,360 stars (0.6%) from 1,090 voters (0.5%)
  • Finalists:
    • ★CHESA BOUDIN (✅ winner) preferred by 68,436 of 206,117 voters
    • ★SUZY LOFTUS preferred by 59,554 of 206,117 voters
    • ★No preference between the finalists: 78127

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

Condorcet/Copeland results

2019-11-05_SanFrancisco-DISTRICT_ATTORNEY Condorcet/Copeland results permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/pairwise#pairwise
📝
Note — Pairwise comparisons derived from top-choice-only ballots
Details

Pairwise/Condorcet comparisons use only each voter's top choice from choose_one ballots. No lower preferences are available, so many matchups will show a large 'No preference' count.

  • Winner: CHESA BOUDIN
  • Runner-up: SUZY LOFTUS (beats all other candidates except CHESA BOUDIN)
  • Smallest margin: LEIF DAUTCH over Write-in (26,671-1,090; margin: 25,581)
  • Largest margin: CHESA BOUDIN over Write-in (68,436-1,090; margin: 67,346)
  • Pairwise ties: none
  • Total ballots: 206,117

Win-loss-tie (Condorcet/Copeland) table

2019-11-05_SanFrancisco-DISTRICT_ATTORNEY w-l-t table permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/pairwise#wlt
DISTRICT_ATTORNEY (SanFrancisco; 2019-11-05) pairwise matchups
CHESA BOUDIN
(4-0-0)
CHESA BOUDIN
4 victories ⇣
SUZY LOFTUS
(3-1-0)
CHESA BOUDIN: 68,436(33.2%)
SUZY LOFTUS: 59,554(28.9%)
(No preference: 78,127; 37.9%)
SUZY LOFTUS
⇽ 1 loss / 3 victories† ⇣
NANCY TUNG
(2-2-0)
CHESA BOUDIN: 68,436(33.2%)
NANCY TUNG: 36,906(17.9%)
(No preference: 100,775; 48.9%)
SUZY LOFTUS: 59,554(28.9%)
NANCY TUNG: 36,906(17.9%)
(No preference: 109,657; 53.2%)
NANCY TUNG
⇽ 2 losses / 2 victories† ⇣
LEIF DAUTCH
(1-3-0)
CHESA BOUDIN: 68,436(33.2%)
LEIF DAUTCH: 26,671(12.9%)
(No preference: 111,010; 53.9%)
SUZY LOFTUS: 59,554(28.9%)
LEIF DAUTCH: 26,671(12.9%)
(No preference: 119,892; 58.2%)
NANCY TUNG: 36,906(17.9%)
LEIF DAUTCH: 26,671(12.9%)
(No preference: 142,540; 69.2%)
LEIF DAUTCH
⇽ 3 losses / 1 victory† ⇣
Write-in
(0-4-0)
CHESA BOUDIN: 68,436(33.2%)
Write-in: 1,090(0.5%)
(No preference: 136,591; 66.3%)
SUZY LOFTUS: 59,554(28.9%)
Write-in: 1,090(0.5%)
(No preference: 145,473; 70.6%)
NANCY TUNG: 36,906(17.9%)
Write-in: 1,090(0.5%)
(No preference: 168,121; 81.6%)
LEIF DAUTCH: 26,671(12.9%)
Write-in: 1,090(0.5%)
(No preference: 178,356; 86.5%)

Pairwise tournament (Copeland ordered)

2019-11-05_SanFrancisco-DISTRICT_ATTORNEY pairwise diagram permalink:
🔗https://abif.electorama.com/id/2019-11-05_SanFrancisco-DISTRICT_ATTORNEY/pairwise#dot

%3 CHESA BOUDIN CHESA BOUDIN 4-0-0 (4 wins, 0 losses, 0 ties) SUZY LOFTUS SUZY LOFTUS 3-1-0 CHESA BOUDIN->SUZY LOFTUS ← CHESA BOUDIN: 68436 SUZY LOFTUS: 59554 NANCY TUNG NANCY TUNG 2-2-0 CHESA BOUDIN->NANCY TUNG ← CHESA BOUDIN: 68436 NANCY TUNG: 36906 LEIF DAUTCH LEIF DAUTCH 1-3-0 CHESA BOUDIN->LEIF DAUTCH ← CHESA BOUDIN: 68436 LEIF DAUTCH: 26671 Write-in Write-in 0-4-0 CHESA BOUDIN->Write-in ← CHESA BOUDIN: 68436 Write-in: 1090 SUZY LOFTUS->NANCY TUNG ← SUZY LOFTUS: 59554 NANCY TUNG: 36906 SUZY LOFTUS->LEIF DAUTCH ← SUZY LOFTUS: 59554 LEIF DAUTCH: 26671 SUZY LOFTUS->Write-in ← SUZY LOFTUS: 59554 Write-in: 1090 NANCY TUNG->LEIF DAUTCH ← NANCY TUNG: 36906 LEIF DAUTCH: 26671 NANCY TUNG->Write-in ← NANCY TUNG: 36906 Write-in: 1090 LEIF DAUTCH->Write-in ← LEIF DAUTCH: 26671 Write-in: 1090

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

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