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Member City Council Dist. 5 - Berkeley (AlamedaCounty; 2020-11-03)

πŸ”— 2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley     (tags: { AlamedaCounty_CA , 2020-11 , from-bolson , actual , CA , AlamedaCounty-2020 , 2020 })

Below is the ABIF from the "2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley" election (Member City Council Dist. 5 - Berkeley (AlamedaCounty; 2020-11-03))

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Voting methods: IRV β€’ FPTP β€’ approval β€’ STAR β€’ Pairwise β€’ All methods

Results

πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley

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

IRV/RCV results

2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley IRV/RCV result permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/IRV#IRV

  • IRV/RCV Winner: SOPHIE HAHN with 7,675 votes (76.5%) in final round
  • Runner-up: TODD ANDREW with 1,889 votes (18.8%) in final round
  • Exhausted ballots in final round: 11 (0.1%)
  • Number of rounds: 1
  • Ballots counted in final round: 10,027 (99.9%)
  • Majority of ballots: 5,020 (50.0%)
  • Total ballots: 10,038
Round 1
Overview:
Active ballots: 10,038 (100.0%)

Exhausted ballots: 0 (0.0%)
Overvotes: 11 (0.1%)

Counted ballots: 10,027 (99.9%)
Winning threshold: 5,014 (49.95%)
IRV/RCV winner:
SOPHIE HAHN: 7,675 (76.5%)βœ…
β†’
TODD ANDREW: 1,889 (18.8%) (πŸ›‘eliminated)
β†’
PAUL DARWIN PICKLESIMER: 425 (4.2%) (πŸ›‘eliminated)
β†’
Write-in: 38 (0.4%) (πŸ›‘eliminated)
β†’

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"
2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley FPTP results permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/FPTP#FPTP
πŸ“
Note β€” Only using first-choices on ranked ballots

  • FPTP Winner: SOPHIE HAHN with 7,675 first-place votes (76.5%)
  • Runner-up: TODD ANDREW with 1,889 first-place votes (18.8%)
  • Margin of victory: 5,786 votes (57.6 percentage points)
  • First-place votes
    • SOPHIE HAHN: 7,675 votes (76.5 %)
    • TODD ANDREW: 1,889 votes (18.8 %)
    • PAUL DARWIN PICKLESIMER: 425 votes (4.2 %)
    • Write-in: 38 votes (0.4 %)
  • Overvotes: 11 (0.1 %)
  • Total ballots: 10,038

Approval voting results

2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley approval voting results permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/approval#approval
πŸ“
Note β€” Approval counts estimated from 10,038 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: SOPHIE HAHN and TODD ANDREW. 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: 10038}
{version: "0.1"}
{ballotcount_abif_metadata: "10038"}
{is_ranking_to_rating: true}
#------ candlines ------
=Write-in:[Write-in]
=[SOPHIE HAHN]:[SOPHIE HAHN]
=[TODD ANDREW]:[TODD ANDREW]
=[PAUL DARWIN PICKLESIMER]:[PAUL DARWIN PICKLESIMER]
#------- votelines ------
4243:[SOPHIE HAHN]/1
1082:[SOPHIE HAHN]/1
842:[SOPHIE HAHN]/1
805:[SOPHIE HAHN]/1
766:[TODD ANDREW]/1
523:[TODD ANDREW]/1
513:[SOPHIE HAHN]/1
287:[TODD ANDREW]/1
162:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
125:[TODD ANDREW]/1
86:[TODD ANDREW]/1
67:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
54:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
22:[SOPHIE HAHN]/1
18:[SOPHIE HAHN]/1
16:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
15:[TODD ANDREW]/1
14:[SOPHIE HAHN]/1
12:[SOPHIE HAHN]/1
11:[SOPHIE HAHN]/1
10:[SOPHIE HAHN]/1
10:[SOPHIE HAHN]/1
9:[TODD ANDREW]/1
8:[TODD ANDREW]/1
8:[SOPHIE HAHN]/1
7:[SOPHIE HAHN]/1
7:[SOPHIE HAHN]/1
7:[SOPHIE HAHN]/1
6:[SOPHIE HAHN]/1
5:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1=Write-in/1
5:[SOPHIE HAHN]/1
5:[TODD ANDREW]/1
5:[SOPHIE HAHN]/1
5:[TODD ANDREW]/1
5:[TODD ANDREW]/1
5:[SOPHIE HAHN]/1
5:[TODD ANDREW]/1
4:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
4:[SOPHIE HAHN]/1
4:[SOPHIE HAHN]/1
3:[SOPHIE HAHN]/1
3:[TODD ANDREW]/1
3:[SOPHIE HAHN]/1
3:[TODD ANDREW]/1
3:[TODD ANDREW]/1=Write-in/1
3:[TODD ANDREW]/1
3:[TODD ANDREW]/1=Write-in/1
3:[TODD ANDREW]/1
3:[TODD ANDREW]/1
3:[SOPHIE HAHN]/1
3:[SOPHIE HAHN]/1
3:[TODD ANDREW]/1
3:[TODD ANDREW]/1
3:[TODD ANDREW]/1
2:[SOPHIE HAHN]/1=Write-in/1
2:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
2:[SOPHIE HAHN]/1
2:[SOPHIE HAHN]/1
2:[SOPHIE HAHN]/1
2:[TODD ANDREW]/1
2:[TODD ANDREW]/1
2:[SOPHIE HAHN]/1
2:[TODD ANDREW]/1
2:[SOPHIE HAHN]/1=Write-in/1
2:[TODD ANDREW]/1
2:[SOPHIE HAHN]/1
2:[TODD ANDREW]/1
2:[TODD ANDREW]/1
2:[TODD ANDREW]/1
2:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
2:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1=Write-in/1
2:[SOPHIE HAHN]/1
2:[SOPHIE HAHN]/1=Write-in/1
2:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
2:[TODD ANDREW]/1
1:[SOPHIE HAHN]/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1=Write-in/1
1:[TODD ANDREW]/1
1:[TODD ANDREW]/1
1:[TODD ANDREW]/1
1:[TODD ANDREW]/1=Write-in/1
1:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
1:[SOPHIE HAHN]/1
1:[SOPHIE HAHN]/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
1:[SOPHIE HAHN]/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
1:[SOPHIE HAHN]/1
1:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
1:[SOPHIE HAHN]/1
1:[TODD ANDREW]/1
1:[SOPHIE HAHN]/1
1:[SOPHIE HAHN]/1
1:[SOPHIE HAHN]/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1=Write-in/1
1:[TODD ANDREW]/1
1:[SOPHIE HAHN]/1=Write-in/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
1:[SOPHIE HAHN]/1
1:[TODD ANDREW]/1
1:[TODD ANDREW]/1
1:[TODD ANDREW]/1
1:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1
1:[SOPHIE HAHN]/1
1:[PAUL DARWIN PICKLESIMER]/1=[TODD ANDREW]/1
1:[TODD ANDREW]/1
1:[TODD ANDREW]/1
1:[PAUL DARWIN PICKLESIMER]/1=[SOPHIE HAHN]/1=Write-in/1
  • Approval Winner: SOPHIE HAHN
  • Approval Results:
    • SOPHIE HAHN — 7,926 approvals (78.96% of ballots) (βœ… winner)
    • TODD ANDREW — 1,979 approvals (19.72% of ballots)
    • PAUL DARWIN PICKLESIMER — 327 approvals (3.26% of ballots)
    • Write-in — 24 approvals (0.24% of ballots)
  • Total: 10,038 ballots (10,256 total approvals)

STAR results

2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley STAR results permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/STAR#STAR
πŸ“
Note β€” 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: SOPHIE HAHN
  • Finalists: SOPHIE HAHN vs TODD ANDREW
  • Runoff result:
    • SOPHIE HAHN: 7,927 votes (79.0%)
    • TODD ANDREW: 1,981 votes (19.7%)
    • No preference: 130 voters (1.3%)
  • Total stars allocated: 42,502
  • Total ballots: 10,038
β˜…β˜…β˜…β˜…β˜…β˜…

β˜…β˜…β˜…β˜…β˜…

β˜…β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…
β˜…β˜…β˜…β˜…β˜…β˜…
(one star above is approximately 850 stars allocated by voters)
  • First round:
    • β˜…#0: SOPHIE HAHN received 25,480 stars (60.0%) from 9,008 voters (89.7%)
    • β˜…#1: TODD ANDREW received 10,883 stars (25.6%) from 5,022 voters (50.0%)
    • β˜…#2: PAUL DARWIN PICKLESIMER received 5,826 stars (13.7%) from 3,290 voters (32.8%)
    • β˜…#3: Write-in received 313 stars (0.7%) from 166 voters (1.7%)
  • Finalists:
    • β˜…SOPHIE HAHN (βœ… winner) preferred by 7,927 of 10,038 voters
    • β˜…TODD ANDREW preferred by 1,981 of 10,038 voters
    • β˜…No preference between the finalists: 130

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_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley Condorcet/Copeland results permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/pairwise#pairwise
  • Winner: SOPHIE HAHN
  • Runner-up: TODD ANDREW (beats all other candidates except SOPHIE HAHN)
  • Smallest margin: PAUL DARWIN PICKLESIMER over Write-in (3,260-122; margin: 3,138)
  • Largest margin: SOPHIE HAHN over Write-in (8,980-83; margin: 8,897)
  • Pairwise ties: none
  • Total ballots: 10,038

Win-loss-tie (Condorcet/Copeland) table

2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley w-l-t table permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/pairwise#wlt
Member City Council Dist. 5 - Berkeley (AlamedaCounty; 2020-11-03) pairwise matchups
SOPHIE HAHN
(3-0-0)
SOPHIE HAHN
3 victories ⇣
TODD ANDREW
(2-1-0)
SOPHIE HAHN: 7,927(79.0%)
TODD ANDREW: 1,981(19.7%)
(No preference: 130; 1.3%)
TODD ANDREW
⇽ 1 loss / 2 victories† ⇣
PAUL DARWIN PICKLESIMER
(1-2-0)
SOPHIE HAHN: 8,554(85.2%)
PAUL DARWIN PICKLESIMER: 683(6.8%)
(No preference: 801; 8.0%)
TODD ANDREW: 3,883(38.7%)
PAUL DARWIN PICKLESIMER: 1,860(18.5%)
(No preference: 4,295; 42.8%)
PAUL DARWIN PICKLESIMER
⇽ 2 losses / 1 victory† ⇣
Write-in
(0-3-0)
SOPHIE HAHN: 8,980(89.5%)
Write-in: 83(0.8%)
(No preference: 975; 9.7%)
TODD ANDREW: 4,998(49.8%)
Write-in: 96(1.0%)
(No preference: 4,944; 49.3%)
PAUL DARWIN PICKLESIMER: 3,260(32.5%)
Write-in: 122(1.2%)
(No preference: 6,656; 66.3%)

Pairwise tournament (Copeland ordered)

2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley pairwise diagram permalink:
πŸ”—https://abif.electorama.com/id/2020-11-03_AlamedaCounty-Member_City_Council_Dist._5_-_Berkeley/pairwise#dot

%3 SOPHIE HAHN SOPHIE HAHN 3-0-0 (3 wins, 0 losses, 0 ties) TODD ANDREW TODD ANDREW 2-1-0 SOPHIE HAHN->TODD ANDREW ← SOPHIE HAHN: 7927 TODD ANDREW: 1981 PAUL DARWIN PICKLESIMER PAUL DARWIN PICKLESIMER 1-2-0 SOPHIE HAHN->PAUL DARWIN PICKLESIMER ← SOPHIE HAHN: 8554 PAUL DARWIN PICKLESIMER: 683 Write-in Write-in 0-3-0 SOPHIE HAHN->Write-in ← SOPHIE HAHN: 8980 Write-in: 83 TODD ANDREW->PAUL DARWIN PICKLESIMER ← TODD ANDREW: 3883 PAUL DARWIN PICKLESIMER: 1860 TODD ANDREW->Write-in ← TODD ANDREW: 4998 Write-in: 96 PAUL DARWIN PICKLESIMER->Write-in ← PAUL DARWIN PICKLESIMER: 3260 Write-in: 122

Voting methods: IRV β€’ FPTP β€’ approval β€’ STAR β€’ Pairwise β€’ All methods

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