Ignore:
Timestamp:
Jan 21, 2014, 11:50:06 PM (10 years ago)
Author:
rvelices
Message:

admin rating user improvements

  • add last rate date for user
  • add consensus deviation but only based on the best rated photos (e.g. how much this user tries to change the best rated photos)
File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/admin/rating_user.php

    r26461 r26900  
    3636}
    3737
     38$consensus_top_number = $conf['top_number'];
     39if (isset($_GET['consensus_top_number']))
     40{
     41  $consensus_top_number = (int)$_GET['consensus_top_number'];
     42}
     43
    3844// build users
    3945global $conf;
     
    6167}
    6268
    63 
     69// by user aggregation
    6470$image_ids = array();
    6571$by_user_ratings = array();
     
    8894    $rating['uid'] = (int)$row['user_id'];
    8995    $rating['aid'] = $usr['anon'] ? $row['anonymous_id'] : '';
     96    $rating['last_date'] = $row['date'];
    9097  }
    9198  $rating['rates'][$row['rate']][] = array(
     
    114121}
    115122
     123//all image averages
    116124$query='SELECT element_id,
    117125    AVG(rate) AS avg
     
    125133}
    126134
     135$query='SELECT id
     136  FROM '.IMAGES_TABLE.'
     137  ORDER by rating_score DESC
     138  LIMIT '.$consensus_top_number;
     139$best_rated = array_flip( array_from_query($query, 'id'));
     140
     141// by user stats
    127142foreach($by_user_ratings as $id => &$rating)
    128143{
    129   $c=0; $s=0; $ss=0; $consensus_dev=0;
     144  $c=0; $s=0; $ss=0; $consensus_dev=0; $consensus_dev_top=0; $consensus_dev_top_count=0;
    130145  foreach($rating['rates'] as $rate => $rates)
    131146  {
     
    136151    foreach($rates as $id_date)
    137152    {
    138       $consensus_dev += abs($rate - $all_img_sum[$id_date['id']]['avg']);
     153      $dev = abs($rate - $all_img_sum[$id_date['id']]['avg']);
     154      $consensus_dev += $dev;
     155      if (isset($best_rated[$id_date['id']]))
     156      {
     157        $consensus_dev_top += $dev;
     158        $consensus_dev_top_count++;
     159      }
    139160    }
    140161  }
    141162
    142163  $consensus_dev /= $c;
     164  if ($consensus_dev_top_count)
     165    $consensus_dev_top /= $consensus_dev_top_count;
    143166
    144167  $var = ($ss - $s*$s/$c)/$c;
     
    148171    'avg' => $s/$c,
    149172    'cv'  => $s==0 ? -1 : sqrt($var)/($s/$c), // http://en.wikipedia.org/wiki/Coefficient_of_variation
    150     'cd'  => $consensus_dev
     173    'cd'  => $consensus_dev,
     174    'cdtop'  => $consensus_dev_top_count ? $consensus_dev_top : ''
    151175  );
    152176}
     
    214238  'F_ACTION' => get_root_url().'admin.php',
    215239  'F_MIN_RATES' => $filter_min_rates,
     240  'CONSENSUS_TOP_NUMBER' => $consensus_top_number,
    216241  'available_rates' => $conf['rate_items'],
    217242  'ratings' => $by_user_ratings,
Note: See TracChangeset for help on using the changeset viewer.