Samuel A.
Madrid, Spain
100%
Job Success
Top Rated
Econometrics & Economic Analysis Expert| Data Scientist | Data Analyst
$25.00/hr
Full-time Top-rated consultant with two master's degrees (Georgetown University and Universidad Carlos III de Madrid) and over 8 years of experience in econometrics and data science. I completed 84 projects with a 100% Job success score and top-quality results.
I have worked with enterprises, startups, university professors, and students around the world on various projects. This experience has given me a unique combination of insights from industry and academia.
1️⃣ Projects in Industry
I have worked as a Data Scientist, Data Analyst, and business researcher seeking optimal solutions for businesses. My previous projects include, among others:
✅ Developed forecasting models for financial time series analysis to investor decisions.
✅ Implemented program evaluation models to assess the impact of business decisions
✅ Data cleaning, statistical analysis, and predictive modeling using Python and R
✅ Measuring policy effectiveness and creating indexes.
✅ Data visualization with dashboards using Power BI to extract useful information
✅ Developing Application Programming Interfaces (APIs) and Shiny Apps to address business in R
✅ Machine learning techniques such as lasso, ridge, for Business problems in R and Python
✅ Administering databases using SQL to extract valuable information through statistical techniques
2️⃣Projects in Academia
I have worked as a private tutor, thesis advisor, and research assistant. My previous projects include, but are not limited to:
✅ Co-authoring research papers for journal publication and
✅Research assistant: Literature review, academic writing, and Latex edition of papers.
✅ Collaborating with PhD students and researchers to estimate econometric models
✅ Tutoring students in Macroeconomics, Microeconomics, Game Theory, and Statistics
✅ Providing tutoring and research advice for bachelor’s and master’s theses
3️⃣As a Consultant, I offer:
✅ Reproducible code with comprehensive documentation
✅ Detailed executive summaries
✅ Online tutoring sessions for personalized support
✅ Thorough revision and editing to enhance results
4️⃣ Professional Certificates
✅IBM Data Science Professional Certificate.
✅ Google Data Analytics Professional Certificate.
5️⃣ Programming Skills
✅ R, Stata, Python, Eviews, SPSS, Iris, LaTeX, Gretl, Microsoft Office, and MATLAB
✅ Python, Power BI, Tableau, Julia, and SQL MATLAB
6️⃣Specializations:
✅Econometrics: Panel Data Analysis, Cross-Sectional Analysis, Generalized Method of Moments (GMM), Instrumental Variables (IV), Structural Equation Modeling (SEM), Fixed Effects Model, Random Effects Model, Difference-in-Differences (DiD), Bayesian Econometrics, Regression Analysis, Maximum Likelihood Estimation (MLE), Quantile Regression, Endogeneity, Causal Inference
✅Time Series Analysis: ARIMA Modeling, Seasonal Decomposition, Exponential Smoothing, State Space Models, Cointegration, Vector Autoregression (VAR), Autoregressive Moving Average (ARMA), Unit Root Testing, Granger Causality, Kalman Filter, Forecasting Accuracy, High-Frequency Data Analysis, Long Memory Processes, Frequency Domain Analysis
✅Tutoring (Microeconomics and Macroeconomics): Microeconomic Theory, Consumer Behavior, Market Structure Analysis, Game Theory, Perfect Competition, Monopolistic Competition, Macroeconomic Models, IS-LM Model, AD-AS Framework, Economic Growth Models, Monetary Policy, Fiscal Policy, International Trade, Public Economics, Labor Economics, Development Economics, Environmental Economics
✅DSGE Modeling: Dynamic Stochastic General Equilibrium (DSGE), New Keynesian Models, Real Business Cycle (RBC) Theory, Endogenous Growth Models, Log-Linearization, Shock Analysis, Calibration and Estimation, Stochastic Simulation, Impulse Response Functions (IRFs), Bayesian Estimation of DSGE Models, Policy Analysis with DSGE, Dynare, Model Selection, Parameter Estimation, Policy Rules
✅Data Science: Exploratory Data Analysis (EDA), Data Wrangling, Data Preprocessing, Dimensionality Reduction, Feature Selection, Data Cleaning, Hypothesis Testing, A/B Testing, Ensemble Methods, Clustering, Association Rules, Natural Language Processing (NLP), Big Data.
✅Machine Learning: Supervised Learning, Unsupervised Learning, Deep Learning, Neural Networks, Support Vector Machines (SVM), Decision Trees, Random Forests, Gradient Boosting Machines (GBM), K-Nearest Neighbors (KNN), Principal Component Analysis (PCA).
🏆 Client Reviews and Feedback from Prominent Clients 🏆
🌟🌟🌟🌟🌟The testimonials listed below (also available in my work history section) highlight the quality of work: "I can't say enough about Samuel. He is very smart, an expert econometrician and a very skilled programmer. I have been working with him for some time now and have found him easy to work with.
Work history
Work history
Econometrician Needed for New Keynesian Model Analysis
Jan 15, 2025
-
Feb 3, 2025
4.85
Private earnings
Advanced Microeconomics Research
Nov 21, 2024
-
Jan 30, 2025
5.00
Private earnings
economic consulting
Jan 22, 2025
-
Jan 27, 2025
No feedback given
Private earnings
Events Study STATA
Dec 31, 2024
-
Jan 26, 2025
No feedback given
Private earnings
Data Analysis Consulting
Dec 22, 2024
-
Jan 9, 2025
5.00
"I had the pleasure of working with Samuel on an economics project[ Data Analysis Consulting] , and I couldn’t be happier with the experience! He was incredibly professional, very patient…
Private earnings
Data Analyst/Economist (PhD-level, proficient in R and Stata)
Feb 16, 2024
-
Jan 6, 2025
5.00
"Easy to communicate, has delivered exactly what we needed! Happy to collaborate again in the future!"
Private earnings
Econ tutoring
5.00
of 2 reviews
Sep 21, 2024
-
Dec 31, 2024
5.00
"Love working with Sam. A+"
Private earnings
Theoretical Econometrics Tutor
4.83
of 1 reviews
Feb 14, 2024
-
Dec 31, 2024
Jul 10, 2024
4.83
"First class" Private earnings
EViews Programming Specialist with Experience in Macroeconomic Models
Oct 1, 2024
-
Dec 31, 2024
No feedback given
Private earnings
Econometrics Consulting
Dec 4, 2024
-
Dec 19, 2024
4.80
"Works really well and is flexible. Looks carefully at feedback. Very nice and respectful."
Private earnings
Tutor for UC Berkeley AI ML Course using Python and Codio.
Feb 6, 2025
-
Present
Job in progress
Private earnings
Tutor for Data Science
Feb 5, 2025
-
Present
Job in progress
Private earnings
Economic Analysis
Jan 22, 2025
-
Present
Job in progress
Private earnings
Python Tutoring Data
Jan 19, 2025
-
Present
Job in progress
Private earnings
Econometric Modeling - theory and applications
Jan 17, 2025
-
Present
Job in progress
Private earnings
Financial Data Scientist – Index Analysis and Dynamic Allocation Models
Jan 14, 2025
-
Present
Job in progress
Private earnings
changing intercept in constrained regression
Jan 13, 2025
-
Present
Job in progress
Private earnings
Data Science Career Coaching for Fintech Interview
Jan 10, 2025
-
Present
Job in progress
Private earnings
Data Scientist
Jan 4, 2025
-
Present
Job in progress
Private earnings
Python Data Extraction and Results Reproduction from Research Paper
Jan 3, 2025
-
Present
Job in progress
Private earnings
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Skills
Skills
- Statistical Analysis
- Time Series Analysis
- Microeconomics
- Stata
- Forecasting
- Data Science Consultation
- Stock Market