In [1]:

    

import student as s
import stats as stats
import matplotlib.pyplot as plt


    

In [2]:

    

students = s.import_safe_file("assets/sv.xlsx")
unique_students = s.import_safe_file("assets/sv-unique.xlsx")


    

In [7]:

    

semesters_per_student = {}
for student in students:
    if student.data['SCIPER'] in semesters_per_student.keys():
        semesters_per_student[student.data['SCIPER']] += 1
    else:
        semesters_per_student[student.data['SCIPER']] = 1

semesters = [0] * 20
for i in range(20):
    for k in semesters_per_student.keys():
        if semesters_per_student[k] == i:
            semesters[i] += 1
semesters

ind = list(range(20))
width = 0.6
plt.bar(ind,semesters,width)
plt.title("number of semesters stayed at EPFL per SV student")
plt.xlabel("number of semesters stayed")
plt.ylabel("number of students")
plt.show()


    

In [14]:

    

labels = []
for i in range(20):
    labels.append(str(i))
    
cs = stats.cs

plt.pie(semesters,labels=labels,colors=cs)
plt.axis('square')
plt.show()


    

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