- Athens, Greece
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06:44
(UTC +03:00) - in/lefteris-souflas
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This repository provides a systematic approach to winning the "Guess Who?" game through advanced machine learning techniques. It offers a comprehensive methodology for enhancing gameplay strategy a…
Jupyter Notebook MIT License UpdatedMay 11, 2024 -
This assignment involves creating a temporal graph structure from Twitter data, exploring metrics over five days, identifying important nodes, and detecting communities. Deliverables include a conc…
R MIT License UpdatedApr 18, 2024 -
Neo4j-Graph-Database Public
Modeling a high-energy physics citation network in Neo4j, importing data from CSV files, and executing Cypher queries. Tasks include designing a property graph model, importing data, and querying t…
Cycript MIT License UpdatedApr 18, 2024 -
This assignment entails analyzing the 'A Song of Ice and Fire' character network using R and igraph. Tasks include graph creation, exploring properties, subgraph creation, centrality calculation, a…
R MIT License UpdatedApr 18, 2024 -
Movie-Rating-User-Similarity Public
Explored Jaccard distance, Min-Hashing, and LSH for user similarity in a movie rating dataset. Tasks involve dataset preprocessing, exact Jaccard Similarity computation, Min-Hash signatures, and LS…
Jupyter Notebook MIT License UpdatedApr 18, 2024 -
Entity-Resolution Public
Addressed Entity Resolution challenges. Tasks include schema-agnostic blocking, pairwise comparisons, Meta-Blocking graph construction, and Jaccard similarity computation. Deliverables include sour…
Jupyter Notebook MIT License UpdatedApr 18, 2024 -
Apache-Drill-and-Impala Public
Explore data virtualization and query performance optimization with Apache Drill, Hive, and Impala. Tasks include comparing virtualization precision, proposing solutions for a bookstore's diverse d…
MIT License UpdatedApr 18, 2024 -
Call_Center_Analytics_Unveiling_Insights_for_Business_Optimization Public
Forked from dmatsanganis/Call_Center_Analytics_Unveiling_Insights_for_Business_OptimizationDelved into a Call Center company dataset, meticulously analyzing key performance indicators (KPIs) to provide actionable insights for informed decision-making. Through visually appealing dashboard…
MIT License UpdatedApr 18, 2024 -
Analyzed customer churn using transaction data. Built ML model to predict lapses. Dataset includes customer status, collection/redemption info, and program tenure. Delivered business presentation o…
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Dementia-related deaths in Europe, focusing on gender-based trends. Utilized R to create 10 visualizations exploring data from 2011-2020, specifically focusing on Greece.
R MIT License UpdatedApr 18, 2024 -
Applied SAS techniques for data analysis and machine learning in a milestone project. Base SAS Programming and SAS Viya tools were utilized for preprocessing, customer profiling, sales analysis, pr…
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Creating predictive models to classify Trump's vote share and clustering counties based on demographics and economic variables. Report findings in PDF with detailed methodologies, model assessments…
R MIT License UpdatedApr 17, 2024 -
Census-Privacy-Analysis Public
Exploring US Census microdata, tackling privacy issues, and anonymization. Exercise A delves into quasi-identifiers, anonymization methods, identification risks, and differential privacy. Exercise …
Jupyter Notebook MIT License UpdatedApr 17, 2024 -
Spark-Movies-Analytics Public
Utilizing Apache Spark & PySpark to analyze a movie dataset. Tasks include data exploration, identifying top-rated movies, training a linear regression model, and experimenting with Airflow.
Jupyter Notebook MIT License UpdatedApr 17, 2024 -
Redis-MongoDB-Assignment Public
Analyzing classified ads data from the used motorcycles market. Tasks involve utilizing Redis Bitmaps for analytics on seller actions and MongoDB for analyzing bike listings. Includes data installa…
R MIT License UpdatedApr 17, 2024 -
Three business analytics case studies were undertaken, encompassing market basket analysis, customer segmentation, and campaign management. SAS Visual Data Mining and Machine Learning on SAS Viya w…
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Modern-Slavery-Analysis Public
Jupyter notebook using machine learning techniques to explore the complex drivers of modern slavery. Models from a research paper are replicated and evaluated . Actions also include filling missing…
Jupyter Notebook MIT License UpdatedApr 15, 2024 -
Jupyter notebook, replicating studies on social capital from Nature journal, analyze economic connectedness, upward income mobility, and more. Python and relevant datasets are utilized to recreate …
HTML MIT License UpdatedApr 15, 2024 -
Website Creation Project for the PHP Course of the Department of Programmers-Analysts of the School of Computer Programmers of the Hellenic Armed Forces
HTML MIT License UpdatedApr 15, 2024 -
Object Oriented Programming Java Project for Class creation and Inheritance.
Java MIT License UpdatedApr 15, 2024 -
Java-Desktop-App Public
Java desktop app for parking lot management calculates charges based on time, records entries/exits in a database, and displays status/collections. User options include entering/exiting parking, sa…
Java MIT License UpdatedApr 15, 2024 -
Java Web App aiming to digitize the annual evaluation process for Army Staff. A single-page application facilitates the theoretical assessment process. Operational and non-operational requirements …
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Multiple-Regression-Project Public
Analysis of real estate sales data. Tasks include understanding dataset structure, variable conversion, descriptive analysis, pairwise comparisons, linear relationship analysis, multiple regression…
visualization r feature-selection lasso-regression pairwise-comparison multiple-regression descriptive-analysisR MIT License UpdatedApr 15, 2024 -
The salary dataset contains info on 474 Midwestern bank employees. Tasks include understanding the dataset's structure, summarizing numerical variables, testing hypotheses on salary equality, gend…
visualization r hypothesis-testing anova summary-statistics pairwise-comparison kolmogorov-smirnov-testsR MIT License UpdatedApr 15, 2024 -
Azure Stream Analytics processes ATM transaction data streams, employing Event Hub, Storage, and Stream Analytics Job. Queries include total amounts and alerts. The setup and query execution proces…
JavaScript MIT License UpdatedApr 15, 2024 -
SQL Server, Analysis Services, and BI tools are utilized to build a data warehouse, create OLAP reports, and visualize insights. Actions also include finding datasets, defining star/snowflake schem…
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Ministry of Health requires a database for prescription analysis. Tasks include creating ERD, relational schema, and SQL queries for patient demographics, prescription details, doctor info, and dru…
MIT License UpdatedApr 15, 2024 -
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Website development using PHP for an attendance tracking system at a Computer Programming School. Features include role-based capabilities, timestamping status modifications, and user tracking. Pre…
CSS MIT License UpdatedMar 23, 2024