Parminder Kaur

Analyst Portfolio

Data Analyst well Versed in SQL, R, Python, Power BI, Tablue, Excel, SPSS
@parminderkaur

Nov 2025

Payment Diversity Analysis (R Project)

Marketing Analytics • Statistical Modeling • Customer Segmentation

Conducted regression analysis in R on 2,094 consumer surveys to identify behavioral predictors of payment method diversity. The analysis revealed that payment behavior explains 42.3% more variance than demographics, with digital adopters using 2.55x more payment methods. Developed four customer segments that informed a shift from demographic to behavior-based marketing strategy.

Tools: R, Linear Regression, ggplot2, dplyr, Statistical Testing

Key Outcome: Four actionable customer segments enabling targeted marketing and resource optimization

Sep 2025

Education Resilience Analysis (SPSS Project)

Policy Analysis • Data-Driven Research • Economic Impact Study

Performed hypothesis-driven analysis in SPSS using multi-source economic and education data (2018–2021) to assess India’s educational resilience during COVID-19. Findings demonstrated education funding stability despite -5.78% GDP contraction and identified state income as a significant predictor of dropout rates. Provided evidence-based policy recommendations for crisis-responsive education planning.

Tools: SPSS, Regression Analysis, T-Tests, Data Integration

Key Outcome: Data-supported policy framework for protecting education budgets during economic downturns

Nov 2025

Sales Analytics Dashboard (Power BI Project)

Business Intelligence • ETL • Data Visualization

Built an end-to-end sales analytics dashboard using Power BI, performing ETL with Power Query, designing a star-schema data model, and creating DAX measures. The dashboard analyzes sales performance across brands, regions, and time periods, revealing that Apple and Huawei achieve the highest customer ratings (>4.2) while Xiaomi and Oppo dominate unit sales through price-sensitive strategies.

Tools: Power BI, Power Query, DAX, Data Modeling

Key Outcome: Automated sales reporting system tracking $5B revenue across 8M units sold

August 2025

Food Nutrition Analysis (SQL Project)

SQL Analytics • Statistical Testing • Public Health Research

Performed SQL-driven analysis on the Open Food Facts database to investigate relationships between food processing levels, health marketing labels, and nutritional content. Findings demonstrated ultra-processed foods contain 68% more fat than minimally processed foods (p=0.021) and revealed that "Organic" and "Vegan" labels do not reliably indicate better nutritional profiles for sugar, saturated fat, or sodium. Provided evidence-based recommendations for consumer education and food labeling policy reform.

Tools: SQL, Statistical Testing (t-tests), Data Extraction, Hypothesis Testing

Key Outcome: Data-supported consumer guidance and labeling policy framework for healthier food choices

Jan 2026

Medical Insurance Charge Prediction

Predictive Analytics • Healthcare Economics • Python Modeling

Built and validated a multiple linear regression model in Python to predict individual medical insurance charges based on demographic and health risk factors. The analysis revealed that smokers incur 4.7x higher expected charges than non-smokers, with age and BMI also showing significant predictive power. Implemented robust statistical diagnostics and achieved 78% explanatory power on unseen test data.

Tools: Python, Linear Regression, Statistical Diagnostics, HC3 Robust Standard Errors

Key Outcome: Interpretable pricing model for insurance risk assessment and premium calculation