From 2fea9cb507e6a4a71171c49d835374d5fbefcab8 Mon Sep 17 00:00:00 2001 From: ben-jaynes <1btjaynes@gmail.com> Date: Mon, 8 Jun 2026 00:46:11 -0700 Subject: [PATCH] vault backup: 2026-06-08 00:46:11 --- .obsidian/plugins/harper/data.json | 3 ++- Wiki/Machine Learning/Imbalanced Data.md | 7 +++++++ 2 files changed, 9 insertions(+), 1 deletion(-) create mode 100644 Wiki/Machine Learning/Imbalanced Data.md diff --git a/.obsidian/plugins/harper/data.json b/.obsidian/plugins/harper/data.json index 2b69b77..296bd5c 100644 --- a/.obsidian/plugins/harper/data.json +++ b/.obsidian/plugins/harper/data.json @@ -1,5 +1,5 @@ { - "ignoredLints": "{\"context_hashes\":[15865895689566000533,6119222255552956109,11253296314840191199,16721049695819994954,8216002975862858808,214610641060740680,9548152354067699590]}", + "ignoredLints": "{\"context_hashes\":[214610641060740680,11253296314840191199,9548152354067699590,16721049695819994954,6119222255552956109,15865895689566000533,8216002975862858808]}", "useWebWorker": true, "lintSettings": { "ACoupleMore": null, @@ -430,6 +430,7 @@ }, "userDictionary": [ "Mariama", + "Undersampling", "csb320", "frc", "hea150", diff --git a/Wiki/Machine Learning/Imbalanced Data.md b/Wiki/Machine Learning/Imbalanced Data.md new file mode 100644 index 0000000..1dd6c58 --- /dev/null +++ b/Wiki/Machine Learning/Imbalanced Data.md @@ -0,0 +1,7 @@ +#machine_learning +- - - + +## Methods +### Undersampling +Undersampling is one of the easiest ways to deal with imbalanced data. The idea is that you remove samples from the majority class at random until the two classes have an equal number of instances. This approach is simple and comes with the advantage that no synthetic data ne +### Oversampling