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Fix calculation

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This commit is contained in:
Dennis Eichhorn 2017-10-23 17:30:52 +02:00
parent f9296042ae
commit 7613a42504
2 changed files with 3 additions and 3 deletions
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4
Math/Statistic/Average.php
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@ -52,11 +52,11 @@ class Average
* *
* @since 1.0.0 * @since 1.0.0
*/ */
public static function averageChange(array $x, int $h = 1) : float public static function averageDatasetChange(array $x, int $h = 1) : float
{ {
$count = count($x); $count = count($x);
return $x[$count - 1] + $h * ($x[$count - 1] - $x[0]) / ($count - 1); return $h * ($x[$count - 1] - $x[0]) / ($count - 1);
} }
/** /**

2
Math/Statistic/MeasureOfDispersion.php
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@ -47,7 +47,7 @@ class MeasureOfDispersion
$end = end($values); $end = end($values);
$start = reset($values); $start = reset($values);
return $start - $end; return $end - $start;
} }
/** /**