From f9a2618e5506ee731d58410d76669e862c2afe8f Mon Sep 17 00:00:00 2001
From: David Rotermund <54365609+davrot@users.noreply.github.com>
Date: Mon, 19 Feb 2024 17:04:52 +0100
Subject: [PATCH] Update README.md

Signed-off-by: David Rotermund <54365609+davrot@users.noreply.github.com>
---
 .../task_2_result_pictures/README.md          | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/advanced_programming/task_2_result_pictures/README.md b/advanced_programming/task_2_result_pictures/README.md
index 0faed4f..ed59dc7 100644
--- a/advanced_programming/task_2_result_pictures/README.md
+++ b/advanced_programming/task_2_result_pictures/README.md
@@ -57,6 +57,17 @@ Spectral Coherence
 
 ## 6
 
+{: .topic-optional}
+Don't normalize the time series! 
+
+i.e. don't do something like this: 
+
+```python
+data -= data.mean(axis=1, keepdims=True)
+data /= data.std(axis=1, keepdims=True)
+```
+Otherwise you will not classify anything.
+
 ![image12.png](image12.png)
 
 Scaled by divison max() for every individual frequency band (Bad times happen):
@@ -65,6 +76,17 @@ Scaled by divison max() for every individual frequency band (Bad times happen):
 
 ## 7
 
+{: .topic-optional}
+Don't normalize the time series! 
+
+i.e. don't do something like this: 
+
+```python
+data -= data.mean(axis=1, keepdims=True)
+data /= data.std(axis=1, keepdims=True)
+```
+Otherwise you will not classify anything.
+
 ![image14.png](image14.png)