Data commit

2023-07-01 11:58:00 -04:00 · 2023-07-01 11:58:00 -04:00 · cb5bb5e222
commit cb5bb5e222
parent 7387c8f97b
199093 changed files with 3378972 additions and 0 deletions
--- a/Task/Cumulative-standard-deviation/PowerShell/cumulative-standard-deviation.psh
+++ b/Task/Cumulative-standard-deviation/PowerShell/cumulative-standard-deviation.psh
@ -0,0 +1,13 @@
+function Get-StandardDeviation {
+    begin {
+        $avg = 0
+        $nums = @()
+    }
+    process {
+        $nums += $_
+        $avg = ($nums | Measure-Object -Average).Average
+        $sum = 0;
+        $nums | ForEach-Object { $sum += ($avg - $_) * ($avg - $_) }
+        [Math]::Sqrt($sum / $nums.Length)
+    }
+}