$query = "SELECT * FROM records WHERE `uts` > " . $uts_l_b . " AND `uts` < " . $uts_l_t . " ORDER BY uts ASC";
$result = mysql_query($query) or die("Query 2 failed with error: " . mysql_error());
if (mysql_num_rows($result) == 0) {
die;
}
$row2 = mysql_fetch_array($result) or die(mysql_error());
db_disconnect();
$press_data = array();
$uts_data = array();
while ($row2 = mysql_fetch_array($result)) {
array_push($press_data, $row2['pressure']);
array_push($uts_data, $row2['uts']);
}
//if (count($press_data) > 0){
$g = 1000 * calculateRegression($uts_data, $press_data);
$r = calculatePMCC($uts_data, $press_data);
$lpress = number_format($row['pressure'], 0, ".", "");
$fast = $c_pressure_change_fast;
$slow = $c_pressure_change_slow;
if ($g >= $fast) {
$img_str = "pressure_imgs/pressure_rise_2.gif";
$image1 = imagecreatefromgif($img_str);
$txt_color = ImageColorAllocate($image1, 255, 0, 0);
} else {
if ($g >= $slow) {
$img_str = "pressure_imgs/pressure_rise_1.gif";
$image1 = imagecreatefromgif($img_str);
$txt_color = ImageColorAllocate($image1, 255, 0, 0);
} else {
if ($g >= -$slow) {
$img_str = "pressure_imgs/pressure_same.gif";
<?php
define("IN_MODULE", true);
require_once "../includes/config.inc.php";
require_once "../includes/functions.inc.php";
$x_data[0] = 1;
$x_data[1] = 2;
$x_data[2] = 3;
$x_data[3] = 4;
$x_data[4] = 5;
$y_data[0] = 1;
$y_data[1] = 3;
$y_data[2] = 5;
$y_data[3] = 7;
$y_data[4] = 9;
echo calculateRegression($x_data, $y_data) . " " . calculatePMCC($x_data, $y_data);
