本文整理汇总了PHP中pts_math::standard_deviation方法的典型用法代码示例。如果您正苦于以下问题:PHP pts_math::standard_deviation方法的具体用法?PHP pts_math::standard_deviation怎么用?PHP pts_math::standard_deviation使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pts_math
的用法示例。
在下文中一共展示了pts_math::standard_deviation方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: render_graph_bars
protected function render_graph_bars()
{
$bar_count = count($this->graph_data);
$separator_width = ($a = 8 - floor($bar_count / 2) * 2) > 0 ? $a : 0;
$bar_width = floor(($this->i['identifier_width'] - $separator_width - $bar_count * $separator_width) / $bar_count);
for ($i_o = 0; $i_o < $bar_count; $i_o++) {
$paint_color = $this->get_paint_color(isset($this->graph_data_title[$i_o]) ? $this->graph_data_title[$i_o] : null);
foreach (array_keys($this->graph_data[$i_o]) as $i) {
$value = pts_math::set_precision($this->graph_data[$i_o][$i], 2);
$graph_size = round($value / $this->i['graph_max_value'] * ($this->i['graph_top_end'] - $this->i['top_start']));
$value_plot_top = max($this->i['graph_top_end'] + 1 - $graph_size, 1);
$px_bound_left = $this->i['left_start'] + $this->i['identifier_width'] * $i + $bar_width * $i_o + $separator_width * ($i_o + 1);
$px_bound_right = $px_bound_left + $bar_width;
$title_tooltip = $this->graph_identifiers[$i] . ': ' . $value;
$run_std_deviation = isset($this->graph_data_raw[$i_o][$i]) ? pts_math::standard_deviation(pts_strings::colon_explode($this->graph_data_raw[$i_o][$i])) : 0;
if ($run_std_deviation > 0) {
$title_tooltip .= ' || ' . pts_math::set_precision($run_std_deviation, 1) . ' STD';
}
$this->svg_dom->add_element('rect', array('x' => $px_bound_left + 1, 'y' => $value_plot_top, 'width' => $bar_width, 'height' => $this->i['graph_top_end'] - $value_plot_top, 'fill' => in_array($this->graph_identifiers[$i], $this->value_highlights) ? self::$c['color']['alert'] : $paint_color, 'stroke' => self::$c['color']['body_light'], 'stroke-width' => 1, 'xlink:title' => $title_tooltip));
if ($px_bound_right - $px_bound_left < 15) {
// The bars are too skinny to be able to plot anything on them
continue;
}
$x = $px_bound_left + ($px_bound_right - $px_bound_left) / 2;
if ($graph_size > 18) {
$this->svg_dom->add_text_element($value, array('x' => $x, 'y' => $value_plot_top + 2, 'font-size' => floor(self::$c['size']['bars'] * 0.9), 'fill' => self::$c['color']['body_text'], 'text-anchor' => 'middle', 'dominant-baseline' => 'text-before-edge'));
} else {
// Make things more compact
$this->svg_dom->add_text_element($value, array('x' => $x, 'y' => $value_plot_top + 2, 'font-size' => floor(self::$c['size']['bars'] * 0.6), 'fill' => self::$c['color']['body_text'], 'text-anchor' => 'middle', 'dominant-baseline' => 'text-before-edge'));
}
}
}
// write a new line along the bottom since the draw_rectangle_with_border above had written on top of it
$this->svg_dom->draw_svg_line($this->i['left_start'], $this->i['graph_top_end'], $this->i['graph_left_end'], $this->i['graph_top_end'], self::$c['color']['notches'], 1);
}
示例2: percent_standard_deviation
public static function percent_standard_deviation($values)
{
if (count($values) == 0) {
// No values
return 0;
}
$standard_deviation = pts_math::standard_deviation($values);
$average_value = array_sum($values) / count($values);
return $average_value != 0 ? $standard_deviation / $average_value * 100 : 0;
}
示例3: result_file_to_result_table
public static function result_file_to_result_table(&$result_file, &$system_id_keys = null, &$result_object_index = -1, &$flag_delta_results = false, $extra_attributes = null)
{
$result_table = array();
$result_tests = array();
$result_counter = 0;
foreach ($result_file->get_system_identifiers() as $sys_identifier) {
$result_table[$sys_identifier] = null;
}
foreach ($result_file->get_result_objects($result_object_index) as $ri => $result_object) {
if ($result_object->test_profile->get_identifier() == null) {
continue;
}
if ($extra_attributes != null) {
if (isset($extra_attributes['reverse_result_buffer'])) {
$result_object->test_result_buffer->buffer_values_reverse();
}
if (isset($extra_attributes['normalize_result_buffer'])) {
if (isset($extra_attributes['highlight_graph_values']) && is_array($extra_attributes['highlight_graph_values']) && count($extra_attributes['highlight_graph_values']) == 1) {
$normalize_against = $extra_attributes['highlight_graph_values'][0];
} else {
$normalize_against = false;
}
$result_object->normalize_buffer_values($normalize_against);
}
}
if ($result_object_index != -1) {
if (is_array($result_object_index)) {
$result_tests[$result_counter] = new pts_graph_ir_value($result_object->get_arguments_description());
} else {
$result_tests[$result_counter] = new pts_graph_ir_value('Results');
}
} else {
$result_tests[$result_counter] = new pts_graph_ir_value($result_object->test_profile->get_title());
$result_tests[$result_counter]->set_attribute('title', $result_object->get_arguments_description());
if ($result_object->test_profile->get_identifier() != null) {
$result_tests[$result_counter]->set_attribute('href', 'http://openbenchmarking.org/test/' . $result_object->test_profile->get_identifier());
}
}
if ($result_object->test_profile->get_identifier() == null) {
if ($result_object->test_profile->get_display_format() == 'BAR_GRAPH') {
$result_tests[$result_counter]->set_attribute('alert', true);
foreach ($result_object->test_result_buffer->get_buffer_items() as $index => $buffer_item) {
$identifier = $buffer_item->get_result_identifier();
$value = $buffer_item->get_result_value();
$result_table[$identifier][$result_counter] = new pts_graph_ir_value($value, array('alert' => true));
}
$result_counter++;
}
continue;
}
switch ($result_object->test_profile->get_display_format()) {
case 'BAR_GRAPH':
$best_value = 0;
$worst_value = 0;
if (!defined('PHOROMATIC_TRACKER') && count($result_object->test_result_buffer->get_values()) > 1) {
switch ($result_object->test_profile->get_result_proportion()) {
case 'HIB':
$best_value = max($result_object->test_result_buffer->get_values());
$worst_value = min($result_object->test_result_buffer->get_values());
break;
case 'LIB':
$best_value = min($result_object->test_result_buffer->get_values());
$worst_value = max($result_object->test_result_buffer->get_values());
break;
}
}
$prev_value = 0;
$prev_identifier = null;
$prev_identifier_0 = null;
$values_in_buffer = $result_object->test_result_buffer->get_values();
sort($values_in_buffer);
$min_value_in_buffer = $values_in_buffer[0];
if ($min_value_in_buffer == 0) {
// Go through the values until something not 0, otherwise down in the code will be a divide by zero
for ($i = 1; $i < count($values_in_buffer) && $min_value_in_buffer == 0; $i++) {
$min_value_in_buffer = $values_in_buffer[$i];
}
}
$max_value_in_buffer = $values_in_buffer[count($values_in_buffer) - 1];
foreach ($result_object->test_result_buffer->get_buffer_items() as $index => $buffer_item) {
$identifier = $buffer_item->get_result_identifier();
$value = $buffer_item->get_result_value();
$raw_values = pts_strings::colon_explode($buffer_item->get_result_raw());
$percent_std = pts_math::set_precision(pts_math::percent_standard_deviation($raw_values), 2);
$std_error = pts_math::set_precision(pts_math::standard_error($raw_values), 2);
$delta = 0;
if (defined('PHOROMATIC_TRACKER')) {
$identifier_r = pts_strings::colon_explode($identifier);
if ($identifier_r[0] == $prev_identifier_0 && $prev_value != 0) {
$delta = pts_math::set_precision(abs(1 - $value / $prev_value), 4);
if ($delta > 0.02 && $delta > pts_math::standard_deviation($raw_values)) {
switch ($result_object->test_profile->get_result_proportion()) {
case 'HIB':
if ($value < $prev_value) {
$delta = 0 - $delta;
}
break;
case 'LIB':
if ($value > $prev_value) {
$delta = 0 - $delta;
//.........这里部分代码省略.........