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About me
About me
Posts
Guitar and Me
Published:
I have been playing guitar since 2012. I have performed with my guitar duo in an orchestra. Here are some pictures from moments I enjoyed.
portfolio
ChatGPT Analysis with STS
ChatGPT Analysis with STS —
Geolocation Source Localization
Geolocation Source Localization — ASELSAN, Inc.
A Basic Level Category Analysis with Commonsense Question Answering
A Basic Level Category Analysis with Commonsense Question Answering — Department of Electrical and Electronics Engineering, Bilkent University.
Digital FPGA Piano for Beginners
Digital FPGA Piano for Beginners — Bilkent University
Recommendify : Song Recommendation System for Spotify Playlists
Recommendify : Song Recommendation System for Spotify Playlists — Department of Computer Science, Bilkent University.
Wind Energy Production Prediction
Wind Energy Production Prediction — Department of Electrical and Electronics Engineering, Bilkent University.
A forecasting system for total electric consumption plays a prominent role in the electric generation market. Moreover, creating a precise forecast system is a hot topic for many high-tech companies. To this end, our goal is to forecast hourly total electrical energy consumption in Spain with regression models, which are Linear Regression, Decision Tree, and AdaBoost. The machine learning models are coded without library support.
publications
Hierarchical Ensemble-based Feature Selection for Time Series Forecasting
Submitted to Machine Learning, 2024
This paper introduces a novel ensemble approach for feature selection based on hierarchical stacking…
Recommended citation: A. Tumay, M. E. Aydin, A. T. Koc, S. S. Kozat. " Hierarchical Ensemble-based Feature Selection for Time Series Forecasting." Machine Learning. Submitted, 2023. (doi:10.48550/arXiv.2310.17544)
talks
5th Place in Data Analysis Challange
Published:
Seasonal demand planning is essential for retailers as it provides a strategic approach to meeting demand throughout the season, considering factors like promotions, changing customer preferences, and new product introductions. Despite its complexity, effective seasonal demand forecasting helps prevent both stock-outs, which result in financial losses, and excess stock, leading to storage costs and product expirations. Bogazici University Operational Research Club challenges competitors to create a highly accurate product forecasting model for seasonal needs.
3rd Place in IPSOS Datathon
Published:
The market share of a food company is forecasted for 2020-2022 based on the previous 6 years of data with ARIMA, and linear regression. The importance of other companies’ market share for predicting this company’s market share is investigated. The marketing strategies for increasing the market share of the sub-company of this food company are investigated in terms of customer parameters such as closeness, top of mind, etc.
teaching
Teaching experience 1
Undergraduate course, University 1, Department, 2014
This is a description of a teaching experience. You can use markdown like any other post.
Teaching experience 2
Workshop, University 1, Department, 2015
This is a description of a teaching experience. You can use markdown like any other post.