r
rafreis

Rafael R

@rafreis
4,9(275)

Top Rated

Data is the new oil!

Brasile
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
Hi, I’m Rafael—a data scientist, researcher and professor with 10+ years of experience turning complex data into clear insights. I hold a PhD from the University of Leeds and have partnered with researchers, NGOs and businesses to solve real-world challenges using R, SPSS and Python, from statistical modelling and machine learning to experimental design. As author of 16 peer-reviewed papers, I guarantee methodological rigor, reproducibility and actionable results. Let’s connect and drive your project forward!... Continua a leggere

Competenze

r
rafreis
Rafael R
60 USD/ora
offline • 
Tempo di risposta medio: 2 ore

Consulta i miei servizi

Modello statistico e analisi
I will perform statistical data analysis with spss, r, or python
4,9(249)
Modello statistico e analisi
I will do machine learning and business analytics applications

Vuoi lavorare su base oraria?

Spiega a Rafael R cosa ti serve.

60 USD

/

ora

Portfolio

275 Recensioni
4,9

(256)
(15)
(2)
(2)
(0)
Valutazione dettagliata
  • Livello di comunicazione del venditore
    4,9
  • Qualità della consegna
    4,9
  • Valore della consegna
    4,8
1-5 di 275 recensioni
Ordina per
Più rilevante
    M

    melanieb_1996

    Cliente abituale

    US

    Stati Uniti

    5

    Rafeal was amazing to work with. I have minimal knowledge about all that goes into data analysis but am passionate about the subject I’m researching. Rafeal made it easy to understand, was so kind answering questions and went above and beyond to help me move forward in my research. He is by far the best...

    200 USD-400 USD

    $

    6 giorni

    Tempo

    gig

    Modello statistico e analisi

    Utile?
    No
    B

    bridget_karthik

    US

    Stati Uniti

    5

    Rafael is truly exceptional. He understood my project completely simply from reading the overview I sent him. His report was extremely clear. He is also quite supportive and open to revising things to meet the client's needs.

    800 USD-1.000 USD

    $

    6 giorni

    Tempo

    gig

    Modello statistico e analisi

    Utile?
    No
    V

    vlt_dsm

    BE

    Belgio

    4,7

    Rafael completed an order for a statistical analysis (GLMM and LMM) in 2 days that had a 4 day deadline, and provided an extensive analysis report complete with tables, effect sizes and , multiple, detailed figures and annotated code.

    400 USD-600 USD

    $

    5 giorni

    Tempo

    gig

    Modello statistico e analisi

    Utile?
    No
    M
    image-docs

    mvonsabler

    Cliente abituale

    AU

    Australia

    5

    Rafael is an experienced and exceptional professional. He far exceeded my expectations on delivery for a project and I am already working on another project with him. As a research assets like Rafael are invaluable. Highly recommend him!

    400 USD-600 USD

    $

    8 giorni

    Tempo

    gig

    Modello statistico e analisi

    Utile?
    No
    E

    ecarl97

    US

    Stati Uniti

    4,3

    Rafael was outstanding! He has a great understanding of what measurements to use to ensure your data shines. He works hard to understand your request and the depth of your project. This allows him to build the right approach to your data. Highly recommend!

    600 USD-800 USD

    $

    12 giorni

    Tempo

    gig

    Modello statistico e analisi

    Utile?
    No