r
rafreis

Rafael R

@rafreis
4,9(275)

Top Rated

Data is the new oil!

Brasilien
Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
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!... Mehr lesen

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r
rafreis
Rafael R
60 $/Stunde
offline • 
Durchschnittliche Antwortzeit: 2 Stunden

Meine Dienstleistungen

Statistische Modellierung & Analyse
I will perform statistical data analysis with spss, r, or python
4,9(249)
Statistische Modellierung & Analyse
I will do machine learning and business analytics applications

Möchtest du auf Stundenbasis arbeiten?

Erzähle Rafael R, was du brauchst.

60 $

/

Stunde

Portfolio

275 Bewertungen
4,9

(256)
(15)
(2)
(2)
(0)
Zusammensetzung der Bewertung
  • Kommunikation
    4,9
  • Qualität der Lieferung
    4,9
  • Preis-Leistungs-Verhältnis der Lieferung
    4,8
1–5 von 275 Bewertungen
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Am relevantesten
    M

    melanieb_1996

    Wiederkehrender Kunde

    US

    Vereinigte Staaten

    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 $-400 $

    Preis

    6 Tagen

    Dauer

    gig

    Statistische Modellierung & Analyse

    Hilfreich?
    Ja
    Nein
    B

    bridget_karthik

    US

    Vereinigte Staaten

    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 $-1.000 $

    Preis

    6 Tagen

    Dauer

    gig

    Statistische Modellierung & Analyse

    Hilfreich?
    Ja
    Nein
    V

    vlt_dsm

    BE

    Belgien

    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 $-600 $

    Preis

    5 Tagen

    Dauer

    gig

    Statistische Modellierung & Analyse

    Hilfreich?
    Ja
    Nein
    M
    image-docs

    mvonsabler

    Wiederkehrender Kunde

    AU

    Australien

    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 $-600 $

    Preis

    8 Tagen

    Dauer

    gig

    Statistische Modellierung & Analyse

    Hilfreich?
    Ja
    Nein
    E

    ecarl97

    US

    Vereinigte Staaten

    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 $-800 $

    Preis

    12 Tagen

    Dauer

    gig

    Statistische Modellierung & Analyse

    Hilfreich?
    Ja
    Nein