My Data Science Practice

This repository stores code related to statistics, data science, and artificial intelligence, which are relatively not traditional computer science domains.

<List>

• Kaggle
  • Competitions
  • Analysis
• Programming Languages
  • R
  • Python
  • Julia
• ETC
  • 빅데이터분석기사 (실기)

Kaggle

Competitions

Kaggle than Gargle!

• Titanic
  • R : Random Forest (2023.12.02)
  • Python : HGB 1.2 (2022.07.31)
  • Python : HGB 1.1 (2022.07.28)
  • Python : HGB 1.0 (2022.07.27)

Analysis

These belong to Kaggle but are not related to competitions.

• Data Splitting Practice in R (2023.08.05)
• Trends of F1 Score with Changes in Precision and Recall (2023.06.25)
• Decision Tree Regression with Used Car Prices in R (2022.12.07)
• Black Jack
  • 1. Set Initial Cards
    • 1.1 Trial 1 - Generate the Entire Initial Cases (2022.08.16)
  • 0. Generate Cards' Data (2022.08.06)

Programming Languages

R

While not all R code is related to analysis, this repository stores all R code for convenience, regardless of its content.

• any() & all() Practice (2024.02.19)
• Slicing String with substr() (2023.06.26)
• List Practice in R (2022.11.22)
• Shiny - 1st Trial (2022.05.04)
• Scatter Points in a Circle (2021.08.16)
• Permutations and Combinations (2021.04.05)
• Generating Array and Variables by for Loop (2019.12.06)
• Fibonacci Tornado (2017.05.07)

Python

• Shuffle List (2020.03.30)
• Random Seed Influence (2020.01.05)
• Square Root (2020.01.01) (adjusted 2020.01.04)
• Limited Range Sampling (2019.09.22)

Julia

• K-Means Clustering for Text Data (2024.08.05)
• Initial Practice (2024.05.28)

ETC

빅데이터분석기사 (실기)

• 예시문제
  • 작업형 제1유형 (2023.06.23)
  • 작업형 제2유형
    • Trial 1 : Decision Tree (2023.06.23)
    • Trial 2 : Random Forest (2024.06.21)
  • 작업형 제3유형 (신유형, 2023.04.25)
• 기출문제
  • 제5회 : 필답형 9번 (2022.12.03)