document-classification-spbu

Homeworks for spbu course "document classification". Includes tasks on Python, basic algorithms, machine learning and natural language processing.

Task_1.ipynb contains 4 exercises targeted on programming skills:

1. make foldr with foldl and vice versa.
2. check if string1 contains a permutation of string2.
3. make a class for binary trees.
4. build a calculator with integers, +-*/ and brackets.

Task_2 is dedicated to solve tasks using Numpy without loops.

Task_3 is related to Pandas library

In Task_4 I made linear regression with numpy