robotomize / regression-php

src/autoload.php

Indentation +15 added lines, -15 removed lines

@@ -1,21 +1,21 @@
 <?php
 
 spl_autoload_register(
-	function($className) {
-		$className = ltrim($className, '\\');
-		$fileName = '';
-		if ($lastNsPos = strripos($className, '\\')) {
-			$namespace = substr($className, 0, $lastNsPos);
-			$className = substr($className, $lastNsPos + 1);
-			$fileName = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
-		}
-		$fileName = __DIR__ . DIRECTORY_SEPARATOR . $fileName . $className . '.php';
-		if (file_exists($fileName)) {
-			include $fileName;
-			return true;
-		}
-		return false;
-	}
+    function($className) {
+        $className = ltrim($className, '\\');
+        $fileName = '';
+        if ($lastNsPos = strripos($className, '\\')) {
+            $namespace = substr($className, 0, $lastNsPos);
+            $className = substr($className, $lastNsPos + 1);
+            $fileName = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
+        }
+        $fileName = __DIR__ . DIRECTORY_SEPARATOR . $fileName . $className . '.php';
+        if (file_exists($fileName)) {
+            include $fileName;
+            return true;
+        }
+        return false;
+    }
 );
 
 ?>
\ No newline at end of file

src/Regression/ExponentialRegression.php

Indentation +37 added lines, -37 removed lines

@@ -16,50 +16,50 @@
     /**
      * ExponentialRegression constructor.
      */
-	public function __construct()
-	{
-		$this->sumIndex = [0, 0, 0, 0, 0, 0];
-		$this->dimension = count($this->sumIndex);
-	}
+    public function __construct()
+    {
+        $this->sumIndex = [0, 0, 0, 0, 0, 0];
+        $this->dimension = count($this->sumIndex);
+    }
 
-	/**
-	 * @throws RegressionException
-	 */
-	public function calculate()
-	{
-		if ($this->sourceSequence === null) {
-			throw new RegressionException('The input sequence is not set');
-		}
+    /**
+     * @throws RegressionException
+     */
+    public function calculate()
+    {
+        if ($this->sourceSequence === null) {
+            throw new RegressionException('The input sequence is not set');
+        }
 
-		if (count($this->sourceSequence) < $this->dimension) {
-			throw new RegressionException('The dimension of the sequence of at least ' . $this->dimension);
-		}
+        if (count($this->sourceSequence) < $this->dimension) {
+            throw new RegressionException('The dimension of the sequence of at least ' . $this->dimension);
+        }
 
-		$k = 0;
+        $k = 0;
 
-		foreach ($this->sourceSequence as $k => $v) {
-			if ($v[1] !== null) {
-				$this->sumIndex[0] += $v[0];
-				$this->sumIndex[1] += $v[1];
-				$this->sumIndex[2] += $v[0] * $v[0] * $v[1];
-				$this->sumIndex[3] += $v[1] * log($v[1]);
-				$this->sumIndex[4] += $v[0] * $v[1] * log($v[1]);
-				$this->sumIndex[5] += $v[0] * $v[1];
-			}
-		}
+        foreach ($this->sourceSequence as $k => $v) {
+            if ($v[1] !== null) {
+                $this->sumIndex[0] += $v[0];
+                $this->sumIndex[1] += $v[1];
+                $this->sumIndex[2] += $v[0] * $v[0] * $v[1];
+                $this->sumIndex[3] += $v[1] * log($v[1]);
+                $this->sumIndex[4] += $v[0] * $v[1] * log($v[1]);
+                $this->sumIndex[5] += $v[0] * $v[1];
+            }
+        }
 
-		$denominator = $this->sumIndex[1] * $this->sumIndex[2] - $this->sumIndex[5] * $this->sumIndex[5];
+        $denominator = $this->sumIndex[1] * $this->sumIndex[2] - $this->sumIndex[5] * $this->sumIndex[5];
 
-		$A = exp(($this->sumIndex[2] * $this->sumIndex[3] - $this->sumIndex[5] * $this->sumIndex[4]) / $denominator);
-		$B = ($this->sumIndex[1] * $this->sumIndex[4] - $this->sumIndex[5] * $this->sumIndex[3]) / $denominator;
+        $A = exp(($this->sumIndex[2] * $this->sumIndex[3] - $this->sumIndex[5] * $this->sumIndex[4]) / $denominator);
+        $B = ($this->sumIndex[1] * $this->sumIndex[4] - $this->sumIndex[5] * $this->sumIndex[3]) / $denominator;
 
-		foreach ($this->sourceSequence as $i => $val) {
-			$coordinate = [$val[0], $A * exp($B * $val[0])];
-			$this->resultSequence[] = $coordinate;
-		}
+        foreach ($this->sourceSequence as $i => $val) {
+            $coordinate = [$val[0], $A * exp($B * $val[0])];
+            $this->resultSequence[] = $coordinate;
+        }
 
-		$this->equation = 'y = ' . round($A, 2) . '+ e^(' . round($B, 2) . 'x)';
+        $this->equation = 'y = ' . round($A, 2) . '+ e^(' . round($B, 2) . 'x)';
 
-		$this->push();
-	}
+        $this->push();
+    }
 }