public function statistics(array $statistics) {
		if ($this->_isCli) {
			return $this->_none('Not allowed in cli');
		}
		if (!$this->settings['chartEnabled']) {
			return $this->_none('Please install <b>imsamurai/cakephp-google-chart</b> plugin to view graph');
		}
		if (empty($statistics)) {
			return $this->_none();
		}
		
		$this->GoogleChart->load();

		$chartData = $this->GoogleChart->dataFromArray(array(
			'memory' => array_map('floatval', Hash::extract($statistics, '{n}.memory')),
			'cpu' => array_map('floatval', Hash::extract($statistics, '{n}.cpu')),
			'date' => array_map('strtotime', Hash::extract($statistics, '{n}.created')),
			'statistics' => $statistics
				), array(
			'date' => array(
				'v' => 'date.{n}',
				'f' => 'statistics.{n}.created'
			),
			'memory' => 'memory.{n}',
			'cpu' => 'cpu.{n}',
			'{"role": "annotation"}' => 'statistics.{n}.status',
				)
		);

		return $this->GoogleChart->draw('LineChart', $chartData, array(
			'height' => 300,
			'width' => 800,
			'pointSize' => 5,
			'vAxis' => array(
				'title' => 'Percentage'
			),
			'hAxis' => array(
				'title' => 'Time'
			),
			'chartArea' => array(
				'left' => 50,
				'top' => 10,
				'height' => 230,
				'width' => 650,
			)
				)
		);
	}