Information

Feel free to view my projects, presentations, dashboards, and code-based apps.

Armin Mahdavi

M.S. in Applied Statistics-Data Science Concentration | West Chester University

Last Updated: 07 September 2026

Projects

Global Agriculture Greenhouse Gas Emissions Analysis | Report

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-Analyzed global greenhouse data from 1990-2021, with EDA, supervised and unsupervised learning models.

-EDA, Eigenvalue Scree, PCA dimensional reduction, Silhouette, k-Means clustering, Linear/Log-transformed OLS, Regression Tree, Classification Tree.

Grouped Variance Decomposition and Mixed Effects Modeling of Portuguese Wine Chemistry | Report

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-Grouped Variance Decomposition of Vinho Verde Portuguese Wine Chemistry Using ANOVA and Mixed Effects Modeling.

-Analyzes grouped summary statistics, Levene’s Test and ANOVA were used to evaluate whether sulphate means and variances differ across sensory quality groups.

Bioinformatic Analysis of RNA-Seq Data from Airway Dataset | Report

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-Famous airway dataset, analyzed using DESeq() and PCA. Constructed volcano plot, dendrogram clustered-heatmap.

-RNA-Seq Differential Expression Analysis of Dexamethasone-Treated and Untreated Airway Samples Using DESeq2.

Presentations

Psychosocial Treatments for Cocaine Dependence – Revisiting Statistically | Presentation

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-From Archives of General Psychiatry, 1999.

-Constructed three models: basic, interaction, and a three-way interaction model for cross sectional analysis of data from previous Cocaine dependence treatment study.

Article Presentation- Forecasting COVID Death Counts | Presentation

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-From Journal of Applied Statistics, 2023.

-Forecasting waved daily covid-19 death count series with a novel combination of segmented Poisson model and ARIMA models.

Article Presentation- Article Presentation: Two-Stage Stratified Cluster Sampling Design | Presentation

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-From African Health Sciences, 2017.

-A binary logistic regression model with complex sampling design of unmet need for family planning among all women aged (15-49) in Ethiopia.

Interactive Apps & Dashboards

Simulated SPC Dashboard | RShiny App

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-A number of observations, standard deviation multiplier, and mean shifting slider inputs for an Individuals Control chart, simulating how I-Charts change with new random data over time.

-A box that allows input data and generates I-MR control charts, simulating how an I-MR chart pair updates in real time with new data points.

Computing the Centroid of a Polygon from User-Inputted Coordinates | RShiny App

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-This app determines the centroid of an arbitrary polygon created in real time. The polygon can be created either by importing a CSV file or by entering the Cartesian coordinates of data points.