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Sabina

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Chess Tournament Project 1
In this project, we parse the chess tournament cross table and generate a dataset with the following fields:
Assignment – Exercise 3.10 (Time Series decomposition)
This document contains assignment for Chapter 3 Exercises (1–10) from Hyndman & Athanasopoulos: Forecasting: Principles and Practice (3rd ed.). Used fpp3 package for time series analysis.
Exercise 2.10 (Time Series)
This assignment explores different time series datasets from the fpp3 package and related sources.
Week 1: Loading & Transformations — Multilingual App Reviews (2025)
This report loads a GitHub-hosted CSV of multilingual mobile app reviews and prepares a small, tidy data frame for basic analysis. It selects a clear subset of variables, assigns readable names, converts rating to numeric, parses review_date, and expands common language codes (e.g., “en” → “English”). A short overview links to background reading on differences between star ratings and review text.