function karma_calculate($statuses) {
$return = new stdClass();
$daily_karma = array();
//$daily_status_count = array();
$comment_count = 0;
$like_count = 0;
$denominator = 0.;
foreach ($statuses as $status) {
// get the timestamp of the date
$daystamp = unixtojd(strtotime(substr($status['updated_time'], 0, 11)));
$karma = karma($status);
array_accum($daily_karma, $daystamp, $karma);
//array_accum($daily_status_count, $daystamp, 1);
$comment_count += $status['comment_count'];
$like_count += $status['like_count'];
// For the Wilson score, we need to find a proportion of "positive values". Therefore we set an absolute value for max karma per status message.
$denominator += max($karma, 10);
}
//print_r($daily_status_count);
//print_r(array_fill_missing_desc($daily_status_count));
//print 'sharpe: ' . sharpe_ratio($a);
//print "\nsum:" . array_sum($daily_karma) . "\n";
$wilson_score = Rating::ratingAverage(array_sum($daily_karma), $denominator);
$return->pop_index = $wilson_score * 100;
$daily_karma_full = array_fill_missing_desc($daily_karma);
$return->comment_count = $comment_count;
$return->like_count = $like_count;
$return->day_count = count($daily_karma);
$return->status_count = count($statuses);
return $return;
}
?>
</div></div><hr />
<div><div style="float: left;">E-Mail:</div><div style="float: right;"><?php
print $mail;
?>
</div></div><hr />
<div><div style="float: left;">MsN:</div><div style="float: right;"><?php
print check_null($row_info[2], 1);
?>
</div></div><hr />
<div><div style="float: left;">Sito Web:</div><div style="float: right;"><?php
print check_null($row_info[1], 2);
?>
</div></div><hr />
<div><div style="float: left;">karma:</div><div style="float: right;"><?php
print karma(nick2uid($row[3]));
?>
</div></div><hr />
<div>
<div style="float: left;">
<form method="POST" action="karma.php" />
<input type = 'hidden' name = 'topic_id' value = '<?php
print $id;
?>
' >
<input type = 'hidden' name = 'user_id' value = '<?php
print nick2uid($row[3]);
?>
'>
<input class='karma_più' type = 'submit' value = '+1' name = 'vote' > <input class='karma_meno' type = 'submit' value = '-1' name = 'vote'>
</form>
