noten, backup

noten.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+
+
+import pandas as pd
+import numpy as np
+import seaborn as sns
+import matplotlib.pyplot as plt
+target_lp = 90
+data = pd.read_csv('./noten.csv')
+
+#data.head(5)
+#data.info()
+
+data.sort_values(by='note', inplace=True)
+
+acc_note = 0.0
+acc_lp = 0
+# the use of iterrows and all iteration over dataframes is discouraged for performance reasons
+for index, row in data.iterrows():
+    if acc_lp + row['lp'] < target_lp:
+        acc_lp = acc_lp + row['lp']
+        acc_note = acc_note + row['lp'] * row['note']
+    else:
+        weight = target_lp - acc_lp
+        acc_note = acc_note + weight * row['note']
+        break
+acc_note = acc_note / target_lp
+print(acc_note)
+