Anti-Harassment Tools/SecurePoll Improvements/Test Results/5 3 2679

Comments

SecurePoll elects candidates 1 and 2.

OpenSTV elects candidates 1, 2 (or A and B in the output) and another at random.

Election setup

• Candidates: 5
• Seats: 3
• Votes: 2679

Actual results latest

Output from SecurePoll tally.php: /actual

SecurePoll tally page: https://vote.wikimedia.beta.wmflabs.org/wiki/Special:SecurePoll/tally/2177

Actual results archive

Archive

Expected

Output from OpenSTV:

Loading ballots from file 5_3_2679.blt.
Ballot file contains 5 candidates and 2679 ballots.
No candidates have withdrawn.
Ballot file contains 2679 non-empty ballots.

Counting votes for 5_3_2679 using Meek STV.
5 candidates running for 3 seats.

 R|A                 |B                 |C                 |D                 
  |------------------+------------------+------------------+------------------
  |E                 |Exhausted         |Surplus           |Threshold         
==============================================================================
 1|        509.000000|        670.000000|        500.000000|        500.000000
  |        500.000000|          0.000000|          0.249999|        669.750001
  |---------------------------------------------------------------------------
  | Count of first choices. Candidate B has reached the threshold and is
  | elected.
==============================================================================
 2|        509.249910|        669.750090|        500.000000|        500.000000
  |        500.000000|          0.000000|          0.000089|        669.750001
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: B, 0.999627.
==============================================================================
 3|        509.249910|        669.750090|        500.000000|        500.000000
  |        500.000000|          0.000000|          0.000089|        669.750001
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: B, 0.999627.
==============================================================================
 4|        509.249910|        669.750090|                  |        500.000000
  |        500.000000|        500.000000|        125.000089|        544.750001
  |---------------------------------------------------------------------------
  | Count after eliminating C and transferring votes. Candidates tied within
  | precision of computations. Candidates C, D, and E were tied when choosing
  | candidates to eliminate. Candidate C was chosen by breaking the tie
  | randomly.
==============================================================================
 5|        634.249800|        544.750200|                  |        500.000000
  |        500.000000|        500.000000|         89.499998|        544.750001
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: B, 0.813060. Candidate A has reached the
  | threshold and is elected.
==============================================================================
 6|        544.750176|        544.750200|                  |        500.000000
  |        500.000000|        589.499624|         44.750186|        522.375095
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.858889 and B, 0.813060.
==============================================================================
 7|        540.803119|        522.375550|                  |        500.000000
  |        500.000000|        615.821331|         31.589333|        515.794668
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.823611 and B, 0.779665.
==============================================================================
 8|        520.964256|        515.794810|                  |        500.000000
  |        500.000000|        642.240934|         18.379532|        509.189767
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.785525 and B, 0.769843.
==============================================================================
 9|        514.261401|        509.189950|                  |        500.000000
  |        500.000000|        655.548649|         11.725675|        505.862838
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.767772 and B, 0.759985.
==============================================================================
10|        508.375646|        505.863400|                  |        500.000000
  |        500.000000|        664.760954|          7.119522|        503.559762
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.755234 and B, 0.755020.
==============================================================================
11|        505.283200|        503.559940|                  |        500.000000
  |        500.000000|        670.156860|          4.421568|        502.210786
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.748080 and B, 0.751582.
==============================================================================
12|        503.214107|        502.211230|                  |        500.000000
  |        500.000000|        673.574663|          2.712667|        501.356335
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.743532 and B, 0.749569.
==============================================================================
13|        501.989817|        501.356980|                  |        500.000000
  |        500.000000|        675.653203|          1.673397|        500.836700
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.740788 and B, 0.748294.
==============================================================================
14|        501.221412|        500.837060|                  |        500.000000
  |        500.000000|        676.941528|          1.029234|        500.514619
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.739087 and B, 0.747518.
==============================================================================
15|        500.752616|        500.514790|                  |        500.000000
  |        500.000000|        677.732594|          0.633702|        500.316852
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.738045 and B, 0.747037.
==============================================================================
16|        500.462777|        500.317140|                  |        500.000000
  |        500.000000|        678.220083|          0.389957|        500.194980
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.737403 and B, 0.746742.
==============================================================================
17|        500.285246|        500.195200|                  |        500.000000
  |        500.000000|        678.519554|          0.240222|        500.120112
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.737009 and B, 0.746560.
==============================================================================
18|        500.175584|        500.120160|                  |        500.000000
  |        500.000000|        678.704256|          0.147870|        500.073937
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736766 and B, 0.746448.
==============================================================================
19|        500.107991|        500.074600|                  |        500.000000
  |        500.000000|        678.817409|          0.091295|        500.045648
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736617 and B, 0.746380.
==============================================================================
20|        500.067428|        500.045790|                  |        500.000000
  |        500.000000|        678.886782|          0.056608|        500.028305
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736526 and B, 0.746337.
==============================================================================
21|        500.041557|        500.028370|                  |        500.000000
  |        500.000000|        678.930073|          0.034963|        500.017482
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736469 and B, 0.746311.
==============================================================================
22|        500.025687|        500.017650|                  |        500.000000
  |        500.000000|        678.956663|          0.021667|        500.010835
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736434 and B, 0.746295.
==============================================================================
23|        500.016363|        500.010950|                  |        500.000000
  |        500.000000|        678.972687|          0.013655|        500.006829
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736413 and B, 0.746285.
==============================================================================
24|        500.009817|        500.006930|                  |        500.000000
  |        500.000000|        678.983253|          0.008373|        500.004187
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736399 and B, 0.746279.
==============================================================================
25|        500.006359|        500.004250|                  |        500.000000
  |        500.000000|        678.989391|          0.005303|        500.002653
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736391 and B, 0.746275.
==============================================================================
26|        500.003951|        500.002910|                  |        500.000000
  |        500.000000|        678.993139|          0.003429|        500.001716
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736386 and B, 0.746273.
==============================================================================
27|        500.002407|        500.002240|                  |        500.000000
  |        500.000000|        678.995353|          0.002323|        500.001162
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736383 and B, 0.746272.
==============================================================================
28|        500.002221|        500.001570|                  |        500.000000
  |        500.000000|        678.996209|          0.001895|        500.000948
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736382 and B, 0.746271.
==============================================================================
29|        500.001542|        500.001570|                  |        500.000000
  |        500.000000|        678.996888|          0.001554|        500.000779
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736381 and B, 0.746271.
==============================================================================
30|        500.001357|        500.000900|                  |        500.000000
  |        500.000000|        678.997743|          0.001127|        500.000565
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736380 and B, 0.746270.
==============================================================================
31|        500.000678|        500.000900|                  |        500.000000
  |        500.000000|        678.998422|          0.000788|        500.000395
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736379 and B, 0.746270.
==============================================================================
32|        500.000678|        500.000900|                  |        500.000000
  |        500.000000|        678.998422|          0.000788|        500.000395
  |---------------------------------------------------------------------------
  | Count after transferring surplus votes. Keep factors of candidates who
  | have exceeded the threshold: A, 0.736379 and B, 0.746270.
==============================================================================
33|        500.000678|        500.000900|                  |                  
  |        500.000000|       1178.998422|        375.000393|        375.000395
  |---------------------------------------------------------------------------
  | Count after eliminating D and transferring votes. Candidates tied within
  | precision of computations. Candidates D and E were tied when choosing
  | candidates to eliminate. Candidate D was chosen by breaking the tie
  | randomly. Candidate E has reached the threshold and is elected.

Winners are A, B, and E.

Files

• blt: https://github.com/dominic998/SecurePoll-Test-Data/blob/main/test_data/5_3_2679.blt
• php:

array (
  1 => 
  array (
    'count' => 509,
    'rank' => 
    array (
      1 => '1',
    ),
  ),
  '2_1' => 
  array (
    'count' => 670,
    'rank' => 
    array (
      1 => '2',
      2 => '1',
    ),
  ),
  3 => 
  array (
    'count' => 500,
    'rank' => 
    array (
      1 => '3',
    ),
  ),
  4 => 
  array (
    'count' => 500,
    'rank' => 
    array (
      1 => '4',
    ),
  ),
  5 => 
  array (
    'count' => 500,
    'rank' => 
    array (
      1 => '5',
    ),
  ),
)

Environment

• Where you tested: beta
• Latest version of SecurePoll tested: 3.0.0 (dcbad8c) 06:35, 27 September 2021.