= DATE_SUB(NOW(), INTERVAL 30 DAY)
GROUP BY DATE(sr_completed_at)
ORDER BY date ASC
";
$daily_result = sql_query($daily_sql);
while ($row = sql_fetch_array($daily_result)) {
$daily_stats[$row['date']] = $row['count'];
}
// 시간대별 응답 통계
$hourly_stats = array();
$hourly_sql = "
SELECT
HOUR(sr_completed_at) as hour,
COUNT(*) as count
FROM survey_responses
WHERE sv_id = '$sv_id'
AND sr_status = 'completed'
GROUP BY HOUR(sr_completed_at)
ORDER BY hour ASC
";
$hourly_result = sql_query($hourly_sql);
while ($row = sql_fetch_array($hourly_result)) {
$hourly_stats[$row['hour']] = $row['count'];
}
// 완료율 계산
$completion_rate = $response_stats['total'] > 0 ?
round(($response_stats['completed'] / $response_stats['total']) * 100, 1) : 0;
// 평균 응답 시간 계산
$avg_time_sql = "
SELECT AVG(TIMESTAMPDIFF(MINUTE, sr_started_at, sr_completed_at)) as avg_minutes
FROM survey_responses
WHERE sv_id = '$sv_id'
AND sr_status = 'completed'
AND sr_completed_at IS NOT NULL
";
$avg_time_result = sql_fetch($avg_time_sql);
$avg_response_time = round($avg_time_result['avg_minutes'] ?? 0, 1);
?>
설문 통계
완료된 응답
%
완료율
분
평균 응답시간
진행중인 응답
응답 현황
$question): ?>
0;
?>
명
%
0):
while ($text_response = sql_fetch_array($text_responses_result)):
?>