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Kfredericha/README.md

Hi there 👋

My name is Keisha, I recently graduated from Data Science: Machine Learning Bootcamp

Check My Portfolio

Data Analyst

  1. Sales Data Analytics Using Excel - An Excel-based data analysis project that prepares and enriches Superstore sales data for insight generation. It focuses on sales trends, segmentation, and operational performance.
  2. Employee Attrition Prediction Using Machine Learning - Developed an early warning system to address 63% employee turnover, exceeding industry benchmarks by 3x and Translated model predictions into actionable HR insights, preventing an estimated 290 employee resignations.
  3. Pharmaceutical Sales Analytics & Performance Dashboard - Analyzes a pharmaceutical company's (Kimia Farma) sales performance (2020–2023) by integrating multiple datasets to uncover insights on revenue trends, regional performance, and customer satisfaction. Using BigQuery and Looker Studio, it delivers data-driven insights to improve operational efficiency and optimize business strategy.

Business Analyst

  1. Annual Sales Performance Analysis & Revenue Insights - Built a Business Intelligence solution to analyze retail sales performance by creating a master dataset using SQL and developing an interactive dashboard for KPI tracking. The analysis identified key revenue drivers, city-level demand concentration, and seasonal trends, leading to data-driven recommendations on product strategy, promotions, and regional optimization to improve revenue performance

On Going Project

  1. Human Development & Gender Inequality Analysis in Indonesia - Analyzing Human Development Index (HDI) data across Indonesian regions (2020–2025) to identify regional disparities and gender gaps. This project focuses on transforming government data into actionable insights to support inclusive development and evidence-based policy discussion.

Popular repositories Loading

  1. Kfredericha Kfredericha Public

  2. Predictive-Churn- Predictive-Churn- Public

    A final project for Data Science Bootcamp by Rakamin Academy. In this project my group and i created a machine learning that able to predict employee churn rate and give business recommendation bas…

  3. Project-Based-Internship---Business-Intelligence- Project-Based-Internship---Business-Intelligence- Public

    Analyzed retail sales by building a master dataset with SQL and an interactive KPI dashboard, uncovering key revenue drivers, city-level demand, and seasonal trends to inform strategies for improvi…

  4. Project-Based-Internship---Big-Data-Analytics Project-Based-Internship---Big-Data-Analytics Public

    This project analyzes Kimia Farma’s sales performance from 2020 to 2023 by integrating multiple datasets, including transactions, products, inventory, and branch information. Using BigQuery for dat…

  5. Sales-Data-Analytics-Using-Excel Sales-Data-Analytics-Using-Excel Public

    This project demonstrates data cleaning, integration, and feature engineering using Excel on Superstore sales data. The analysis highlights key trends in sales, customer behavior, and delivery perf…