awt logo

BOARD OF SUPERVISORS DISTRICT 9 (SanFrancisco; 2020-11-03)

🔗 2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9     (tags: { 2020-11 , from-bolson , actual , SanFrancisco-2020 , SF , SanFrancisco_CA , CA , 2020 })

Below is the ABIF from the "2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9" election (BOARD OF SUPERVISORS DISTRICT 9 (SanFrancisco; 2020-11-03))

ABIF submission area (show)
Method options
Ballot options

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

Results

🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9

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 HILLARY RONEN
Approval HILLARY RONEN
IRV/RCV HILLARY RONEN
STAR HILLARY RONEN
Condorcet/Copeland HILLARY RONEN
Election results summary showing voting method winners
click/tap to expand
tabbed view

FPTP result

"FPTP" is "First-past-the-post", also known as "plurality" or "choose-one"
2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 FPTP results permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/FPTP#FPTP

  • FPTP Winner: HILLARY RONEN with 29,224 first-place votes (79.1%)
  • First-place votes
    • HILLARY RONEN: 29,224 votes (79.1 %)
  • Blanks: 7,745 (20.9 %)
  • Total ballots: 36,969

Approval voting results

2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 approval voting results permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/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: HILLARY RONEN
  • Approval Results:
    • HILLARY RONEN — 29,224 approvals (79.05% of ballots) (✅ winner)
  • Total: 36,969 ballots (29,224 total approvals)

IRV/RCV results

2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 IRV/RCV result permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/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: HILLARY RONEN with 29,224 votes (79.1%) in final round
  • Exhausted ballots in final round: 7,745 (20.9%)
  • Number of rounds: 1
  • Ballots counted in final round: 29,224 (79.1%)
  • Majority of ballots: 18,485 (50.0%)
  • Total ballots: 36,969
Round 1
Overview:
Active ballots: 36,969 (100.0%)

Exhausted ballots: 7,745 (20.9%)
Counted ballots: 29,224 (79.1%)
Winning threshold: 14,613 (39.53%)
IRV/RCV winner:
HILLARY RONEN: 29,224 (79.1%)✅
→

STAR results

2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 STAR results permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/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: HILLARY RONEN
  • Finalists: HILLARY RONEN vs None
  • Runoff result:
    • HILLARY RONEN: 29,224 votes (79.1%)
    • None: 0 votes (0.0%)
    • No preference: 7745 voters (20.9%)
  • Total stars allocated: 29,224
  • Total ballots: 36,969
★★★★★★

★★★★★

★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
★★★★★
★★★★★★
(one star above is approximately 584 stars allocated by voters)
  • First round:
    • ★#0: HILLARY RONEN received 29,224 stars (100.0%) from 29,224 voters (79.1%)
  • Finalists:
    • ★HILLARY RONEN (✅ winner) preferred by 29,224 of 36,969 voters
    • ★None preferred by 0 of 36,969 voters
    • ★No preference between the finalists: 7745

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

Condorcet/Copeland results

2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 Condorcet/Copeland results permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/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: HILLARY RONEN
  • Pairwise ties: none
  • Total ballots: 36,969

Win-loss-tie (Condorcet/Copeland) table

2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 w-l-t table permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/pairwise#wlt
BOARD OF SUPERVISORS DISTRICT 9 (SanFrancisco; 2020-11-03) pairwise matchups
HILLARY RONEN
(0-0-0)

Pairwise tournament (Copeland ordered)

2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9 pairwise diagram permalink:
🔗https://abif.electorama.com/id/2020-11-03_SanFrancisco-BOARD_OF_SUPERVISORS_DISTRICT_9/pairwise#dot

%3 HILLARY RONEN HILLARY RONEN 0-0-0 (0 wins, 0 losses, 0 ties)

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

(homepage)

awt logo
abif.electorama.com is maintained as part of the electorama.com family of websites.
Source code: github.com/electorama/abiftool (for the core library) and github.com/electorama/awt (for the web presentation code)
Bug reports: github.com/electorama/awt/issues
Copyright © 2024, 2025 by Rob Lanphier — All Rights Reserved. Licensed under the AGPL 3.0.
awt logo