// | license@php.net so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Authors: Jesus M. Castagnetto <*****@*****.**> | // +----------------------------------------------------------------------+ // // $Id: ex_stats_simple.php,v 1.3 2003/01/04 11:55:39 mj Exp $ // /** * @package Math_Stats */ require_once "Math/Stats.php"; // making some data sets $data = array(2, 2.3, 4.5, 2, 2, 3.2, 5.3, 3, 4, 5, 1, 6); $dnulls = array(1.165, null, "foo", 0.6268, 0.6268, 0.0751, 0.3516, -0.6965); // instantiating a Math_Stats object $s = new Math_Stats(); echo "*** Original data set\n"; print_r($data); $s->setData($data); echo "Basic statistics\n"; print_r($s->calcBasic()); echo "\n*** A data set with nulls\n"; print_r($dnulls); echo "Let's generate an error\n"; print_r($s->setData($dnulls)); echo "Ignoring nulls and trying again\n"; $s->setNullOption(STATS_IGNORE_NULL); $s->setData($dnulls); echo "---> data after ignoring (removing) nulls\n"; print_r($s->getData()); echo "---> stats\n";
/**
* Returns workload information for the specified date range and interval.
*
* @param string $interval The interval to use in this report.
* @param string $type If this report is aggregate or individual
* @param string $start The start date of this report.
* @param string $end The end date of this report.
* @param integer $category_id The category to restrict this report to
* @return array An array containing workload data.
*/
public static function getWorkloadByDateRange($interval, $type, $start, $end, $category_id)
{
$data = array();
$category_id = (int) $category_id;
// figure out the correct format code
switch ($interval) {
case 'day':
$format = '%m/%d/%y';
$order_by = "%1\$s";
break;
case 'dow':
$format = '%W';
$order_by = "CASE WHEN DATE_FORMAT(%1\$s, '%%w') = 0 THEN 7 ELSE DATE_FORMAT(%1\$s, '%%w') END";
break;
case 'week':
if ($type == 'aggregate') {
$format = '%v';
} else {
$format = '%v/%y';
}
$order_by = "%1\$s";
break;
case 'dom':
$format = '%d';
break;
case 'month':
if ($type == 'aggregate') {
$format = '%b';
$order_by = "DATE_FORMAT(%1\$s, '%%m')";
} else {
$format = '%b/%y';
$order_by = "%1\$s";
}
break;
default:
throw new LogicException('Invalid interval');
}
// get issue counts
$stmt = 'SELECT
DATE_FORMAT(iss_created_date, ?),
count(*)
FROM
{{%issue}}
WHERE
iss_prj_id=? AND
iss_created_date BETWEEN ? AND ?';
$params = array($format, Auth::getCurrentProject(), $start, $end);
if (!empty($category_id)) {
$stmt .= ' AND
iss_prc_id = ?';
$params[] = $category_id;
}
$stmt .= '
GROUP BY
DATE_FORMAT(iss_created_date, ?)';
$params[] = $format;
if (!empty($order_by)) {
$stmt .= "\nORDER BY " . sprintf($order_by, 'iss_created_date');
}
try {
$res = DB_Helper::getInstance()->fetchAssoc($stmt, $params);
} catch (DbException $e) {
return array();
}
$data['issues']['points'] = $res;
$data['issues']['stats'] = array('total' => 0, 'avg' => 0, 'median' => 0, 'max' => 0);
if ($res) {
$stats = new Math_Stats();
$stats->setData($res);
$data['issues']['stats'] = array('total' => $stats->sum(), 'avg' => $stats->mean(), 'median' => $stats->median(), 'max' => $stats->max());
}
// get email counts
$params = array();
$stmt = 'SELECT
DATE_FORMAT(sup_date, ?),
count(*)
FROM
{{%support_email}},
{{%email_account}}';
$params[] = $format;
if (!empty($category_id)) {
$stmt .= ',
{{%issue}}';
}
$stmt .= '
WHERE
sup_ema_id=ema_id AND
ema_prj_id=? AND
sup_date BETWEEN ? AND ?';
$params[] = Auth::getCurrentProject();
$params[] = $start;
$params[] = $end;
if (!empty($category_id)) {
$stmt .= ' AND
sup_iss_id = iss_id AND
iss_prc_id = ?';
$params[] = $category_id;
}
$stmt .= '
GROUP BY
DATE_FORMAT(sup_date, ?)';
$params[] = $format;
if (!empty($order_by)) {
$stmt .= "\nORDER BY " . sprintf($order_by, 'sup_date');
}
try {
$res = DB_Helper::getInstance()->fetchAssoc($stmt, $params);
} catch (DbException $e) {
return array();
}
$data['emails']['points'] = $res;
if (count($res) > 0) {
$stats = new Math_Stats();
$stats->setData($res);
$data['emails']['stats'] = array('total' => $stats->sum(), 'avg' => $stats->mean(), 'median' => $stats->median(), 'max' => $stats->max());
} else {
$data['emails']['stats'] = array('total' => 0, 'avg' => 0, 'median' => 0, 'max' => 0);
}
return $data;
}
/**
* Returns information about time to close and time to first response.
*
* @access private
* @return array Array of counts.
*/
function getTimeStats()
{
// time to close
$stmt = "SELECT\n round(((unix_timestamp(iss_closed_date) - unix_timestamp(iss_created_date)) / 60))\n FROM\n " . APP_DEFAULT_DB . "." . APP_TABLE_PREFIX . "issue\n WHERE\n iss_closed_date IS NOT NULL AND \n " . $this->getWhereClause("iss_customer_id", array("iss_created_date", "iss_closed_date"));
$res = $GLOBALS["db_api"]->dbh->getCol($stmt);
if (PEAR::isError($res)) {
Error_Handler::logError(array($res->getMessage(), $res->getDebugInfo()), __FILE__, __LINE__);
return array();
}
if (count($res) > 0) {
$stats = new Math_Stats();
$stats->setData($res);
$time_to_close = array("avg" => $stats->mean(), "avg_formatted" => Misc::getFormattedTime($stats->mean()), "median" => $stats->median(), "median_formatted" => Misc::getFormattedTime($stats->median()), "max" => $stats->max(), "max_formatted" => Misc::getFormattedTime($stats->max()), "min" => $stats->min(), "min_formatted" => Misc::getFormattedTime($stats->min()));
} else {
$time_to_close = array("avg" => 0, "avg_formatted" => Misc::getFormattedTime(0), "median" => 0, "median_formatted" => Misc::getFormattedTime(0), "max" => 0, "max_formatted" => Misc::getFormattedTime(0), "min" => 0, "min_formatted" => Misc::getFormattedTime(0));
}
// time to first response
$stmt = "SELECT\n round(((unix_timestamp(iss_first_response_date) - unix_timestamp(iss_created_date)) / 60))\n FROM\n " . APP_DEFAULT_DB . "." . APP_TABLE_PREFIX . "issue\n WHERE\n iss_first_response_date IS NOT NULL AND \n " . $this->getWhereClause("iss_customer_id", array("iss_created_date", "iss_closed_date"));
$res = $GLOBALS["db_api"]->dbh->getCol($stmt);
if (PEAR::isError($res)) {
Error_Handler::logError(array($res->getMessage(), $res->getDebugInfo()), __FILE__, __LINE__);
return array();
}
if (count($res) > 0) {
$stats = new Math_Stats();
$stats->setData($res);
$time_to_first_response = array("avg" => $stats->mean(), "avg_formatted" => Misc::getFormattedTime($stats->mean()), "median" => $stats->median(), "median_formatted" => Misc::getFormattedTime($stats->median()), "max" => $stats->max(), "max_formatted" => Misc::getFormattedTime($stats->max()), "min" => $stats->min(), "min_formatted" => Misc::getFormattedTime($stats->min()));
} else {
$time_to_first_response = array("avg" => 0, "avg_formatted" => Misc::getFormattedTime(0), "median" => 0, "median_formatted" => Misc::getFormattedTime(0), "max" => 0, "max_formatted" => Misc::getFormattedTime(0), "min" => 0, "min_formatted" => Misc::getFormattedTime(0));
}
return array("time_to_close" => $time_to_close, "time_to_first_response" => $time_to_first_response);
}
/**
* Returns workload information for the specified date range and interval.
*
* @access public
* @param string $interval The interval to use in this report.
* @param string $type If this report is aggregate or individual
* @param string $start The start date of this report.
* @param string $end The end date of this report.
* @return array An array containing workload data.
*/
function getWorkloadByDateRange($interval, $type, $start, $end)
{
$data = array();
$start = Misc::escapeString($start);
$end = Misc::escapeString($end);
// figure out the correct format code
switch ($interval) {
case "day":
$format = '%m/%d/%y';
$order_by = "%1\$s";
break;
case "dow":
$format = '%W';
$order_by = "IF(DATE_FORMAT(%1\$s, '%%w') = 0, 7, DATE_FORMAT(%1\$s, '%%w'))";
break;
case "week":
if ($type == "aggregate") {
$format = '%v';
} else {
$format = '%v/%y';
}
$order_by = "%1\$s";
break;
case "dom":
$format = '%d';
break;
case "month":
if ($type == "aggregate") {
$format = '%b';
$order_by = "DATE_FORMAT(%1\$s, '%%m')";
} else {
$format = '%b/%y';
$order_by = "%1\$s";
}
break;
}
// get issue counts
$stmt = "SELECT\n DATE_FORMAT(iss_created_date, '{$format}'),\n count(*)\n FROM\n " . APP_DEFAULT_DB . "." . APP_TABLE_PREFIX . "issue\n WHERE\n iss_prj_id=" . Auth::getCurrentProject() . " AND\n iss_created_date BETWEEN '{$start}' AND '{$end}'\n GROUP BY\n DATE_FORMAT(iss_created_date, '{$format}')";
if (!empty($order_by)) {
$stmt .= "\nORDER BY " . sprintf($order_by, 'iss_created_date');
}
$res = $GLOBALS["db_api"]->dbh->getAssoc($stmt);
if (PEAR::isError($res)) {
Error_Handler::logError(array($res->getMessage(), $res->getDebugInfo()), __FILE__, __LINE__);
return array();
}
$data["issues"]["points"] = $res;
if (count($res) > 0) {
$stats = new Math_Stats();
$stats->setData($res);
$data["issues"]["stats"] = array("total" => $stats->sum(), "avg" => $stats->mean(), "median" => $stats->median(), "max" => $stats->max());
} else {
$data["issues"]["stats"] = array("total" => 0, "avg" => 0, "median" => 0, "max" => 0);
}
// get email counts
$stmt = "SELECT\n DATE_FORMAT(sup_date, '{$format}'),\n count(*)\n FROM\n " . APP_DEFAULT_DB . "." . APP_TABLE_PREFIX . "support_email,\n " . APP_DEFAULT_DB . "." . APP_TABLE_PREFIX . "email_account\n WHERE\n sup_ema_id=ema_id AND\n ema_prj_id=" . Auth::getCurrentProject() . " AND\n sup_date BETWEEN '{$start}' AND '{$end}'\n GROUP BY\n DATE_FORMAT(sup_date, '{$format}')";
if (!empty($order_by)) {
$stmt .= "\nORDER BY " . sprintf($order_by, 'sup_date');
}
$res = $GLOBALS["db_api"]->dbh->getAssoc($stmt);
if (PEAR::isError($res)) {
Error_Handler::logError(array($res->getMessage(), $res->getDebugInfo()), __FILE__, __LINE__);
return array();
}
$data["emails"]["points"] = $res;
if (count($res) > 0) {
$stats = new Math_Stats();
$stats->setData($res);
$data["emails"]["stats"] = array("total" => $stats->sum(), "avg" => $stats->mean(), "median" => $stats->median(), "max" => $stats->max());
} else {
$data["emails"]["stats"] = array("total" => 0, "avg" => 0, "median" => 0, "max" => 0);
}
return $data;
}
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Jesus M. Castagnetto <*****@*****.**> |
// +----------------------------------------------------------------------+
//
// $Id: ex_stats_cummulative_data.php,v 1.3 2003/01/04 11:55:39 mj Exp $
//
/**
* @package Math_Stats
*/
require_once "Math/Stats.php";
// making some cummulative data sets
$data = array("3" => 4, "2.333" => 5, "1.22" => 6, "0.5" => 3, "0.9" => 2, "2.4" => 7);
$dnulls = array("3" => 4, "caca" => 2, "bar is not foo" => 6, "0.5" => 3, "0.9" => 2, "2.4" => 7);
// instantiate a Math_Stats object
$s = new Math_Stats();
$s->setData($data, STATS_DATA_CUMMULATIVE);
echo "*** Original cummulative data set\n";
print_r($data);
// let's print some simple statistics
echo "Simple stats from cummulative data, note the count\n";
print_r($s->calcBasic());
// now, lets generate an error by using the $dnulls array
echo "\n*** Another cummulative data set\n";
print_r($dnulls);
echo "Generating an error by using data with nulls\n";
print_r($s->setData($dnulls, STATS_DATA_CUMMULATIVE));
// let's ignore nulls
echo "Ignoring the nulls and trying again\n";
$s->setNullOption(STATS_IGNORE_NULL);
$s->setData($dnulls, STATS_DATA_CUMMULATIVE);
