fni

Dev/Python/stat.py

+import numpy as np
+listX1 = list(np.random.standard_normal(50))
+listX2 = listX1 + [18,19,20,30]
+
+L = [18,19,20,30]
+
+def mean(list):
+    add=0
+    for i in list:
+        add+=i
+    return add/len(list)
+    
+
+print(L,mean(L))
+
+def variance(list):
+    add=[]
+    for i in range(len(list)):
+        add.append(pow(list[i],2))
+    return mean(add)-pow(mean(list),2)
+
+print(L,variance(L))
+
+def ecart_type(list):
+    return list[len(list)-1]-list[0]
+
+print(L,ecart_type(L))
+
+def median(list):
+    if len(list)%2==0:
+        return [list[len(list)/2],list[len(list)/2]]
+    return
+
+print(L,median(L))
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