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Ruben A
@aets017
Top Rated
Finding Patterns in the Data
Venezuela
Inglés
Sobre mí
I hold a PhD in Statistics and over 10 years of experience in the private sector and academia.
I apply machine learning, deep learning, and econometrics to build robust models that inform decision-making. I value clarity, and you can expect transparent methods, clean code, and visuals—Matplotlib, Seaborn,
ggplot2, or Tableau—that explain the reasoning behind my model recommendations.
If you need reliable forecasts you can present with confidence, I can help.
Habilidades
Ruben A
desconectado •
Tiempo medio de respuesta: 4 horas
Revisa mis servicios
Análisis de series de tiempo
I will do predictive analytics and predictive modelling
Análisis de series de tiempo
I will do data science in economics
Porfolio
Experiencia laboral
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.
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Understood the problem quickly. Great work. Would use again
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arbitragedudear
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Great job. He did an assessment of the project. well done.
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tobiassanders
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Outstanding deep knowledge, many thanks for your swift help Ruben!
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chriskronseder
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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
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