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1. a-b-testing a-b-testing Public

   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…

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2. Costumer-Clustering Costumer-Clustering Public

   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…

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3. customer_complaints customer_complaints Public

   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…

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4. Scrapping-KPU-web Scrapping-KPU-web Public

   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…

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5. Student-Performance Student-Performance Public

   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…

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6. Salary-Prediction Salary-Prediction Public

   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…

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