Samuel A. Status: Offline
MadridSpain
100% Job Success
Top Rated

Econometrics & Economic Analysis Expert| Data Scientist | Data Analyst

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

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Skills

Skills

  • Statistical Analysis
  • Time Series Analysis
  • Microeconomics
  • Stata
  • Forecasting
  • Data Science Consultation
  • Stock Market