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Валерий Шпак's Projects

ab_tests icon ab_tests

Main libraries: scipy, matplotlib, numpy, pandas, R. I this task I have produced ab-test. And I have found out, that to change a coffee label is a good idea.

analytics_for_hr icon analytics_for_hr

Main libraries: psycopg2, sqlalchemy, pandas. In this repository I have analyzed data about labor relations in some company, have hypothesized and have prepared number of recommendations for HR-department.

analytics_of_vk_public icon analytics_of_vk_public

Main libraries: pandas, requests, matplotlib. In this repository I have analyzed SkillBox vk-public. And I have prepared number of recommendations for SMM-department of SkillBox.

kfc icon kfc

Main libraries: requests, sqlite3, pandas. In this task I have received data from kfc-api and prepared db for people, who wants to visit kfc restaurant in Russia.

learning_process icon learning_process

Main libraries: pandas, numpy, matplotlib, seaborn. In this repository I have analyzed learning process in SkillBox. As a result I have received: 1) Statistics data about learning process; 2) Potential workload of teachers; 3) Problematic modules; 4) Conversion of students transfer from module to module.

linear_regression icon linear_regression

Main libraries: pandas, numpy, sklearn. In this task I have built a linear regression model for prediction share prices.

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