Adolescent Fertility Rate (ages 15–19)

Analisis dampak intervensi pembelajaran pada 30 peserta. Hasil: kenaikan nilai 15.67%, efek besar (Cliff's Delta 0.9), signifikan (p≈0), nilai lebih merata.

This project develops a machine learning model to predict salary based on relevant features using supervised regression techniques. Various regression algorithms are tested and tuned to achieve opt…

Complaint analysis for a major US cable provider shows a 220% spike in June, mainly on data caps and internet issues. Using Python, Pandas, BERTopic, and NLP, we aim to cut complaints by 50%, resol…

Proyek ini melakukan web scraping pada data DP4 KPU untuk menghitung ukuran sampel survei menggunakan Slovin dengan Margin of Error 3%. Menggunakan stratified random sampling berdasarkan provinsi d…

This notebook analyzes customer behavior with descriptive stats, univariate/multivariate analysis, Shapiro test, Chi-Square, and Cramér’s V. It applies PCA for dimensionality reduction, performs cl…

This notebook is about a company that wishes to know whether its new landing page performs better than the old one in terms of user conversion. I applied a/b testing, z-test statistical test, to he…

This study analyzes whether student exam scores in math, reading, and writing differ by gender, parental education, test prep, or lunch programs. After testing for normality, we use parametric or n…