[ml] add machine learning cheatsheet

Author: ikrima

content/dev-notes/shells/powershell.md

@@ -122,7 +122,7 @@ Foreach($file in dir C:\){$file.name}
 
 * Enabling `-WhatIf, -Confirm, etc`
   * add `[CmdletBinding(SupportsShouldProcess = $true)]` to param block
-  * inside function, wrap state change code with `if ($PSCmdlet.ShouldProcess(...)) {...}`
+  * inside function, wrap state change code with `if ($PSCmdlet.ShouldProcess(target,operation)) {...}`
 
 ## Resources
 

content/math/research-notes.md

@@ -1,4 +1,6 @@
 # Research Notes
+Machine Learning Cheatsheet (from [Scikit](https://scikit-learn.org/stable/tutorial/machine_learning_map/index.html)):
+![[scikit-machine-learning-cheatsheet.png]]
 
 ## Dictionary Learning