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Mario S
@mario_dendron
Level 2
Turning data into insights
Italy
English, Italian
About me
Hello! Losing revenue because your data sits in spreadsheets instead of driving decisions? I'm a professional statistician and data analyst with 18+ years of experience helping businesses and researchers. My expertise spans from applied statistics and marketing analytics to survey analysis, predictive modeling and Power BI dashboards for business intelligence and data visualization. I work in SPSS, R and Python. Published in a peer-reviewed journal and cited by SDA Bocconi. Message me your dataset or research question — let's turn your data into revenue today!
Skills
Mario S
$50/hour
Offline •
Average response time: 1 hour
See my services
Statistical Modeling & Analytics
I will do statistical data analysis using spss, r, python
Surveys
I will analyze your online survey data and collect targeted respondents
Want to work on an hourly basis?
Tell Mario S what you need.
$50
/
hourPortfolio
Work experience
Statistical Consultant & Data Analyst
Self-Employed • Freelance
Sep 2020 - Present • 5 yrs 8 mos
At Dèndron Statistical Consulting, I conducted market research and statistical analysis for healthcare, retail, and FMCG clients. Delivered customer segmentation studies, brand concept testing, satisfaction measurement, and service optimization projects. As freelancer, I serve international business clients with advanced statistical analysis (panel data, econometrics, factor analysis).
Quantitative Marketing Researcher
Dèndron Statistical Consulting • Self-employed
Jan 2008 - Dec 2019 • 11 yrs 11 mos
Conducted comprehensive quantitative marketing research projects for healthcare, cultural, and FMCG sectors. Key projects include: customer satisfaction analysis for Humanitas Hospital healthcare services using CATI methodology; visitor experience optimization for EMAAA's 42nd Exhibition with face-to-face surveys and statistical modeling; brand concept testing and competitive positioning for Grano Armando pasta (1,111 respondents via CAWI). Managed all research phases independently: questionnaire design, data collection, statistical analysis, executive summaries and detailed reporting. Delivered actionable insights that drove strategic decisions in communication, service optimization, and brand development.
36 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 36 Reviews
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mark_vall
Japan
Mario provided excellent work and delivered much sooner than I had originally anticipated. He was very professional and easy to work with, and responded in a very timely manner. I would recommend him for any statistics-based projects, especially those involving IBM SPSS.
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martasztogryn
United Kingdom
It was a real pleasure working with him. He was very professional, responsive, and delivered everything on time. Communication was smooth throughout the whole process, and he showed great attention to detail. I would definitely recommend working with him and would be happy to collaborate again in the future.
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automner
United States
Mario knew exactly what was needed after I shared the project details and even clarified a mistake on my end related to the project before beginning. I highly recommend him and will be reaching out to him for future projects.
Seller's Response
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marco_gizzi
Italy
Veramente eccezionale! Velocità e super qualità
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majidsikosan110
Canada
Very professional, reports are detailed and show a great understanding of data.
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