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Sergey
@mrsergey1989
Level 2
R, Python, Stata, SPSS, Gretl, Excel
Ukraine
Anglais, Ukrainien, Russe
À propos de moi
I am a data analyst and programmer with over 10 years of experience in statistical analysis, econometrics, machine learning, and data-driven problem solving. Since 2015, I have completed hundreds of freelance projects using Python, R, SPSS, Stata, Gretl, and Excel. My expertise includes data cleaning, statistical modeling, regression analysis, forecasting, hypothesis testing, data visualization, and automation. I combine strong technical skills with practical business and marketing analytics experience to deliver accurate, well-structured, and clearly explained solutions.
Compétences
Sergey
10 $US/heure
hors ligne •
Temps de réponse moyen de 1 heure
Voir mes services
Modélisation et analyse statistique
I will do any project in r studio
Formules & Macros
I will do any excel project
Vous souhaitez travailler sur une base horaire ?
Dites à Sergey ce dont vous avez besoin.
10 $US
/
heure108 Avis
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jamilehalkhalil
Allemagne
Sergey is a very nice and cooperative person; the delivery was flexible, and the quality is very high. He knows exactly what he is doing.
Utile?
uzielvazquezv
Mexique
With good expertise was able to solve with a practical solution
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jxzdshdka
Cambodge
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amine_maadour
Allemagne
Utile?
aggelosrigas
Grèce
Mister Sergey is so polite, so kind, professional at its finest. RECOMMENDED 200%. He delivered the project i asked him to do on time and 100% correct! Dont even think of anyone else Mister Sergey is your guy!
Utile?
