Ignore:
Timestamp:
Nov 21, 2011, 9:46:05 PM (12 years ago)
Author:
rvelices
Message:

feature 2486: Add an admin view for rates by user (improvement)

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/admin/rating_user.php

    r12625 r12650  
    3737}
    3838
     39// build users
    3940global $conf;
    4041$query = 'SELECT DISTINCT
     
    4950while ($row = pwg_db_fetch_assoc($result))
    5051{
    51   $user = array(
     52  $users_by_id[(int)$row['id']] = array(
    5253    'name' => $row['name'],
    5354    'anon' => is_autorize_status(ACCESS_CLASSIC, $row['status']) ? false : true
    5455  );
    55   $users_by_id[(int)$row['id']] = $user;
    56 }
    57 
    58 $by_rate_model = array();
     56}
     57
     58$by_user_rating_model = array( 'rates' => array() );
    5959foreach($conf['rate_items'] as $rate)
    6060{
    61   $by_rate_model[$rate] = array();
    62 }
    63 
    64 
    65 $by_user_rating_model = array( 'rates' => $by_rate_model);
     61  $by_user_rating_model['rates'][$rate] = array();
     62}
     63
    6664
    6765$image_ids = array();
     
    7270while ($row = pwg_db_fetch_assoc($result))
    7371{
    74 
    7572  if (!isset($users_by_id[$row['user_id']]))
    7673  {
    7774    $users_by_id[$row['user_id']] = array('name' => '???'.$row['user_id'], 'anon' => false);
    7875  }
    79   $user = $users_by_id[$row['user_id']];
    80   if ($user['anon'])
    81   {
    82     $user_key = $user['name'].'('.$row['anonymous_id'].')';
     76  $usr = $users_by_id[$row['user_id']];
     77  if ($usr['anon'])
     78  {
     79    $user_key = $usr['name'].'('.$row['anonymous_id'].')';
    8380  }
    8481  else
    8582  {
    86     $user_key = $user['name'];
     83    $user_key = $usr['name'];
    8784  }
    8885  $rating = & $by_user_ratings[$user_key];
     
    9188    $rating = $by_user_rating_model;
    9289    $rating['uid'] = (int)$row['user_id'];
    93     $rating['aid'] = $user['anon'] ? $row['anonymous_id'] : '';
     90    $rating['aid'] = $usr['anon'] ? $row['anonymous_id'] : '';
    9491  }
    9592  $rating['rates'][$row['rate']][] = array(
     
    10198}
    10299
    103 
    104 
     100// get image tn urls
    105101$image_urls = array();
    106102if (count($image_ids) > 0 )
     
    119115}
    120116
     117$query='SELECT element_id,
     118    AVG(rate) AS avg
     119  FROM '.RATE_TABLE.'
     120  GROUP BY element_id';
     121$all_img_sum = array();
     122$result = pwg_query($query);
     123while ($row = pwg_db_fetch_assoc($result))
     124{
     125  $all_img_sum[(int)$row['element_id']] = array( 'avg'=>(float)$row['avg'] );
     126}
     127
    121128foreach($by_user_ratings as $id => &$rating)
    122129{
    123   $c=0; $s=0; $ss=0;
     130  $c=0; $s=0; $ss=0; $consensus_dev=0;
    124131  foreach($rating['rates'] as $rate => $rates)
    125132  {
     
    128135    $s += $ct * $rate;
    129136    $ss += $ct * $rate * $rate;
    130   }
     137    foreach($rates as $id_date)
     138    {
     139      $consensus_dev += abs($rate - $all_img_sum[$id_date['id']]['avg']);
     140    }
     141  }
     142
     143  $consensus_dev /= $c;
    131144
    132145  $var = ($ss - $s*$s/$c)/$c;
     
    135148    'count' => $c,
    136149    'avg' => $s/$c,
    137     'std' => sqrt($var),
    138150    'cv'  => $s==0 ? -1 : sqrt($var)/($s/$c), // http://en.wikipedia.org/wiki/Coefficient_of_variation
     151    'cd'  => $consensus_dev
    139152  );
    140153}
     
    163176}
    164177
    165 function std_compare($a, $b)
    166 {
    167   $d = $a['std'] - $b['std'];
    168   return ($d==0) ? 0 : ($d<0 ? -1 : 1);
    169 }
    170 
    171178function cv_compare($a, $b)
    172179{
    173   $d = $a['cv'] - $b['cv'];
    174   return ($d==0) ? 0 : ($d<0 ? -1 : 1);
    175 }
    176 
     180  $d = $b['cv'] - $a['cv']; //desc
     181  return ($d==0) ? 0 : ($d<0 ? -1 : 1);
     182}
     183
     184function consensus_dev_compare($a, $b)
     185{
     186  $d = $b['cd'] - $a['cd']; //desc
     187  return ($d==0) ? 0 : ($d<0 ? -1 : 1);
     188}
    177189
    178190$order_by_index=3;
     
    185197    array(l10n('Average rate'), 'avg_compare'),
    186198    array(l10n('Number of rates'), 'count_compare'),
    187     array('StDev', 'std_compare'),
    188     array('Coeff of Variation', 'cv_compare'),
     199    array(l10n('Variation'), 'cv_compare'),
     200    array(l10n('Consensus deviation'), 'consensus_dev_compare'),
    189201  );
    190202
     
    206218  'ratings' => $by_user_ratings,
    207219  'image_urls' => $image_urls,
     220  'TN_WIDTH' => 20+2*$conf['upload_form_thumb_maxwidth'],
    208221  ) );
    209222$template->set_filename('rating', 'rating_user.tpl');
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