PHPOffice /
PhpSpreadsheet
| @@ 729-764 (lines=36) @@ | ||
| 726 | * |
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| 727 | * @return float |
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| 728 | */ |
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| 729 | public static function AVEDEV(...$args) |
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| 730 | { |
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| 731 | $aArgs = Functions::flattenArrayIndexed($args); |
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| 732 | ||
| 733 | // Return value |
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| 734 | $returnValue = null; |
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| 735 | ||
| 736 | $aMean = self::AVERAGE($aArgs); |
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| 737 | if ($aMean != Functions::DIV0()) { |
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| 738 | $aCount = 0; |
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| 739 | foreach ($aArgs as $k => $arg) { |
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| 740 | if ((is_bool($arg)) && |
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| 741 | ((!Functions::isCellValue($k)) || (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_OPENOFFICE))) { |
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| 742 | $arg = (int) $arg; |
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| 743 | } |
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| 744 | // Is it a numeric value? |
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| 745 | if ((is_numeric($arg)) && (!is_string($arg))) { |
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| 746 | if (is_null($returnValue)) { |
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| 747 | $returnValue = abs($arg - $aMean); |
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| 748 | } else { |
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| 749 | $returnValue += abs($arg - $aMean); |
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| 750 | } |
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| 751 | ++$aCount; |
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| 752 | } |
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| 753 | } |
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| 754 | ||
| 755 | // Return |
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| 756 | if ($aCount == 0) { |
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| 757 | return Functions::DIV0(); |
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| 758 | } |
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| 759 | ||
| 760 | return $returnValue / $aCount; |
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| 761 | } |
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| 762 | ||
| 763 | return Functions::NAN(); |
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| 764 | } |
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| 765 | ||
| 766 | /** |
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| 767 | * AVERAGE. |
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| @@ 1500-1536 (lines=37) @@ | ||
| 1497 | * |
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| 1498 | * @return float |
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| 1499 | */ |
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| 1500 | public static function DEVSQ(...$args) |
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| 1501 | { |
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| 1502 | $aArgs = Functions::flattenArrayIndexed($args); |
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| 1503 | ||
| 1504 | // Return value |
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| 1505 | $returnValue = null; |
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| 1506 | ||
| 1507 | $aMean = self::AVERAGE($aArgs); |
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| 1508 | if ($aMean != Functions::DIV0()) { |
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| 1509 | $aCount = -1; |
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| 1510 | foreach ($aArgs as $k => $arg) { |
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| 1511 | // Is it a numeric value? |
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| 1512 | if ((is_bool($arg)) && |
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| 1513 | ((!Functions::isCellValue($k)) || |
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| 1514 | (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_OPENOFFICE))) { |
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| 1515 | $arg = (int) $arg; |
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| 1516 | } |
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| 1517 | if ((is_numeric($arg)) && (!is_string($arg))) { |
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| 1518 | if (is_null($returnValue)) { |
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| 1519 | $returnValue = pow(($arg - $aMean), 2); |
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| 1520 | } else { |
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| 1521 | $returnValue += pow(($arg - $aMean), 2); |
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| 1522 | } |
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| 1523 | ++$aCount; |
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| 1524 | } |
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| 1525 | } |
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| 1526 | ||
| 1527 | // Return |
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| 1528 | if (is_null($returnValue)) { |
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| 1529 | return Functions::NAN(); |
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| 1530 | } |
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| 1531 | ||
| 1532 | return $returnValue; |
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| 1533 | } |
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| 1534 | ||
| 1535 | return self::NA(); |
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| 1536 | } |
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| 1537 | ||
| 1538 | /** |
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| 1539 | * EXPONDIST. |
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