Data update

Task/Averages-Median/PowerShell/averages-median-1.psh

@@ -1,69 +0,0 @@
-function Measure-Data
-{
-    [CmdletBinding()]
-    [OutputType([PSCustomObject])]
-    Param
-    (
-        [Parameter(Mandatory=$true,
-                   Position=0)]
-        [double[]]
-        $Data
-    )
-
-    Begin
-    {
-        function Get-Mode ([double[]]$Data)
-        {
-            if ($Data.Count -gt ($Data | Select-Object -Unique).Count)
-            {
-                $groups = $Data | Group-Object | Sort-Object -Property Count -Descending
-
-                return ($groups | Where-Object {[double]$_.Count -eq [double]$groups[0].Count}).Name | ForEach-Object {[double]$_}
-            }
-            else
-            {
-                return $null
-            }
-        }
-
-        function Get-StandardDeviation ([double[]]$Data)
-        {
-            $variance = 0
-            $average  = $Data | Measure-Object -Average | Select-Object -Property Count, Average
-
-            foreach ($number in $Data)
-            {
-                $variance +=  [Math]::Pow(($number - $average.Average),2)
-            }
-
-            return [Math]::Sqrt($variance / ($average.Count-1))
-        }
-
-        function Get-Median ([double[]]$Data)
-        {
-            if ($Data.Count % 2)
-            {
-                return $Data[[Math]::Floor($Data.Count/2)]
-            }
-            else
-            {
-                return ($Data[$Data.Count/2], $Data[$Data.Count/2-1] | Measure-Object -Average).Average
-            }
-        }
-    }
-    Process
-    {
-        $Data = $Data | Sort-Object
-
-        $Data | Measure-Object -Maximum -Minimum -Sum -Average |
-                Select-Object -Property Count,
-                                        Sum,
-                                        Minimum,
-                                        Maximum,
-                                        @{Name='Range'; Expression={$_.Maximum - $_.Minimum}},
-                                        @{Name='Mean' ; Expression={$_.Average}} |
-                Add-Member -MemberType NoteProperty -Name Median            -Value (Get-Median $Data)            -PassThru |
-                Add-Member -MemberType NoteProperty -Name StandardDeviation -Value (Get-StandardDeviation $Data) -PassThru |
-                Add-Member -MemberType NoteProperty -Name Mode              -Value (Get-Mode $Data)              -PassThru
-    }
-}

Task/Averages-Median/PowerShell/averages-median-2.psh

@@ -1,2 +0,0 @@
-$statistics = Measure-Data 4, 5, 6, 7, 7, 7, 8, 1, 1, 1, 2, 3
-$statistics

Task/Averages-Median/PowerShell/averages-median-3.psh

@@ -1 +0,0 @@
-$statistics.Median