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Ruben A
@aets017
Top Rated
Finding Patterns in the Data
Venezuela
Anglais
À propos de moi
PhD in Statistics, econometrician, and data scientist with extensive experience in predictive modeling, data analytics, time series, panel data, financial risk, and machine learning/deep learning. I have delivered international consulting projects for clients in Australia, the United Kingdom, the United States, Qatar, Germany, and other markets, using methodologies such as ARIMAX, VAR/SVAR/VECM, GMM, GARCH, XGBoost, Random Forest, GRU, LSTM, hybrid models, and Generative AI. I also bring a strong academic background from the Central University of Venezuela and experience in applied research.
Compétences
Ruben A
60 $US/heure
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Analyse de séries chronologiques
I will do predictive analytics and predictive modelling
Analyse de séries chronologiques
I will do econometrics with ai tools
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Dites à Ruben A ce dont vous avez besoin.
60 $US
/
heurePortfolio
Expérience professionnelle
Fiverr
Freelance • 27 yrs 4 mos
Econometrician
May 2017 - Present • 9 yrs
Optimization of XGBoost, LightGBM, and CatBoost machine learning models for predicting commodity prices in the Kaggle competition: MITSUI&CO. Commodity Prediction Challenge.
Econometrician
Mar 2017 - Present • 9 yrs 2 mos
Built panel-data models to assess the impact of ESG certification, gender certification, and ESG bonds on the stock valuation of publicly listed firms in Mexico.
Data Scientist
Mar 2017 - Present • 9 yrs 2 mos
Forecast Qatar’s GDP growth using ARIMA, VAR, Random Forest, XGBoost, GRU, and LSTM models, including macroeconomic intervention analysis.
34 Avis
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Les plus pertinents
mich2910
Client récurrent
Mexique
Utile?
tommo_99
Nouvelle-Zélande
Understood the problem quickly. Great work. Would use again
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arbitragedudear
États-Unis
Great job. He did an assessment of the project. well done.
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tobiassanders
Allemagne
Outstanding deep knowledge, many thanks for your swift help Ruben!
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chriskronseder
Suisse
Ruben is quick to understand the task at hand. My request was not very easy, but Ruben had a good grasp on it. Would work with him again
Utile?
