a
aets017

Ruben A

@aets017
4,8(34)

Top Rated

Finding Patterns in the Data

Venezuela
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

a
aets017
Ruben A
60 USD/ora
offline • 
Tempo di risposta medio: 5 ore

Consulta i miei servizi

Analisi dati storici
I will do predictive analytics and predictive modelling
4,8(34)
Analisi dati storici
I will do econometrics with ai tools

Vuoi lavorare su base oraria?

Spiega a Ruben A cosa ti serve.

60 USD

/

ora

Portfolio

Esperienza lavorativa

Fiverr

Fiverr

Freelance • 27 yrs 4 mos

Econometrician

May 2017 - Present9 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 - Present9 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 - Present9 yrs 2 mos

Forecast Qatar’s GDP growth using ARIMA, VAR, Random Forest, XGBoost, GRU, and LSTM models, including macroeconomic intervention analysis.

34 Recensioni
4,8

(33)
(0)
(1)
(0)
(0)
Valutazione dettagliata
  • Livello di comunicazione del venditore
    4,8
  • Qualità della consegna
    4,8
  • Valore della consegna
    4,9
1-5 di 34 recensioni
Ordina per
Più rilevante
    M

    mich2910

    Cliente abituale

    MX

    Messico

    5

    Everything was great

    200 USD-400 USD

    $

    3 settimane

    Tempo

    gig

    Analisi dati storici

    Utile?
    No
    T

    tommo_99

    NZ

    Nuova Zelanda

    5

    Understood the problem quickly. Great work. Would use again

    100 USD-200 USD

    $

    7 giorni

    Tempo

    gig

    Analisi dati storici

    Utile?
    No
    A
    image-docs

    arbitragedudear

    US

    Stati Uniti

    5

    Great job. He did an assessment of the project. well done.

    50 USD-100 USD

    $

    3 giorni

    Tempo

    gig

    Analisi dati storici

    Utile?
    No
    T
    image-docs

    tobiassanders

    DE

    Germania

    5

    Outstanding deep knowledge, many thanks for your swift help Ruben!

    Fino a 50 USD

    $

    1 giorno

    Tempo

    gig

    Analisi dati storici

    Utile?
    No
    C

    chriskronseder

    CH

    Svizzera

    5

    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

    400 USD-600 USD

    $

    3 settimane

    Tempo

    gig

    Analisi dati storici

    Utile?
    No