Hire the Best Exploratory Data Analysis Professionals

🚀 Marketing & Brand Strategy Expert | Fractional CMO | Top 1% Upwork Freelancer 🌟 Top 1% Expert-Vetted Freelancer | PhD in Marketing, Analytics & Strategy | 100% Success Rate🌟 Specialist in healthcare, B2B & premium DTC 💡 About Me:Fractional CMO and senior marketing strategist with 25+ years of experience and a PhD in Marketing, specializing in analytics, statistics, consumer behavior, brand strategy, go-to-market planning, and Marketing Mix Modeling (MMM). I help companies make smarter marketing decisions through Marketing Mix Modeling (MMM), rigorous analytics, and senior-level fractional CMO leadership — combining executive strategy with the kind of data discipline most marketing consultants cannot offer. My work combines executive-level strategy with rigorous analysis. I do not just recommend tactics. I help clients determine what is working, what is not, where the next dollar should go, and how to build a more scalable and accountable marketing system. 📊 My strengths include marketing strategy, brand positioning, market research, customer insight, conversion analysis, go-to-market planning, and Marketing Mix Modeling (MMM). I am especially strong when a company has meaningful potential but needs clearer direction, stronger prioritization, tighter execution, or more analytical decision-making. Over the course of 25+ years, I have worked across healthcare, B2B, premium DTC, and complex growth environments where messaging, performance, customer insight, and budget allocation all need to work together. Clients bring me in when they need senior-level strategic thinking backed by real data, not guesswork. What I Help Clients Do 🚀 Fractional CMO Leadership Strategic direction, growth planning, team oversight, channel prioritization, and executive-level decision support 📈 Marketing Strategy & Go-to-Market Planning Growth strategy, launch planning, audience targeting, competitive positioning, and full-funnel planning 🧠 Brand Positioning & Messaging Clearer differentiation, stronger messaging, sharper offers, and more effective brand architecture 📊 Analytics, MMM & Marketing Efficiency Marketing Mix Modeling, media mix attribution, KPI development, budget allocation, forecasting, performance analysis, and decision support 🔍 Market Research & Customer Insight Segmentation, customer interviews, competitive analysis, survey design, and insight development 💰 Paid Media Oversight & Funnel Improvement Channel strategy, conversion analysis, ad performance review, and identifying where spend is being wasted Selected Accomplishments 🏆 Analytics & Performance Built MMM frameworks that reduced ad spend by 35% while maintaining or improving revenue performance Improved ROI by 96%+ through tighter funnel analysis, better conversion tracking, and stronger message-market fit Lowered cost-per-sale by 10x and reduced spend-per-unit by 300% through performance-based campaign restructuring Managed high-7-figure ad budgets across Google, Meta, Amazon, and LinkedIn with measurable efficiency gains Built MMM and predictive forecasting models to optimize budget allocation and eliminate wasted spend across multi-channel programs 🏆 Strategy & Positioning Developed brand positioning and messaging strategies that improved conversion, clarity, and differentiation Led go-to-market planning and rebranding for businesses at inflection points, resulting in measurable gains in engagement and acquisition efficiency Built audience segmentation models that reduced CPA and improved targeting precision across paid channels Designed competitive positioning frameworks that sharpened market entry and accelerated growth 🏆 Executive-Level Marketing Leadership Served as a strategic marketing leader for healthcare, B2B, & premium consumer brands Helped founders and leadership teams prioritize the right channels, investments, and growth opportunities Brought analytical rigor to decisions that were previously based on assumptions or fragmented reporting Why Clients Hire Me 🔥 25+ years of marketing experience across strategy, analytics, positioning, and growth 🔥 PhD-level expertise in marketing, statistics, and consumer behavior 🔥 Senior-level fractional CMO leadership, not just tactical execution 🔥 Deep specialization in MMM, media mix attribution, and data-driven budget optimization 🔥 Strong ability to connect brand, performance, analytics, and customer insight into one clear growth plan Tools & Platforms: GA4 · Google Ads · Meta Ads · LinkedIn Ads · Amazon Seller Central · Tableau · Looker · SPSS · HubSpot · Salesforce · Mailchimp · MMM Good Fit: Healthcare, B2B, premium DTC, funded startups, and established companies that want senior-level strategic marketing leadership with real analytical depth. Not a Fit: Paid survey projects, unfunded startups, or speculative industries. 📩 Need a fractional CMO with 25+ years of experience, a PhD in Marketing, and deep strength in MMM, attribution, analytics, & positioning? Let's talk.

Do you need accurate, actionable insights from your survey, research, or business data to make informed decisions through powerful statistical and data science analysis? Look no further! I am a top-rated and full-time research data analyst with >8 years of experience in IBM SPSS, R, Python, SAS, STATA, NVIVO, JMP, JASP, Atlas.ti, Excel/Google Sheets. As a statistics wiz, survey expert, and data science practitioner, my areas of expertise include: ⭐️ Questionnaire/survey design & validation ⭐️ Survey & research data analysis: descriptive, inferential (Chi-Square, regression, correlation, t-test, ANOVA, etc.), predictive modeling ⭐️ Detailed interpretation & storytelling of results ⭐️ Report writing, academic formatting (APA, Harvard), and publication-ready outputs ⭐️ Advanced automation & scripting for reproducible workflows I provide a variety of services including but not limited to: ★ Sample size calculations ★ Correlation, regression, & multivariate analysis ★ Hypothesis testing & statistical modeling ★ Factor analysis (EFA/CFA), structural equation modeling ★ Predictive analytics & data visualization ▶︎ and much more My specializations: Health Research & Predictive Analysis Master's/Ph.D. Thesis & Dissertation Modeling Company Survey & Performance Analytics Social, Economic & Behavioral Data Science Projects What clients say 👉👉👉 ☆☆☆☆☆ "She is always of great help, and the turnaround time is on point. I can depend on her for assistance and explaining the work thoroughly." "Great work. Amazing communication and delivered the project on time." "Esther's results were clear, organized, and thoroughly explained. Excellent work! I'm so impressed! I appreciate her efforts and insight to the analysis of the project!" ☆☆☆☆ ✍️ Feel free to get in touch, and we can discuss your project further

Do you need someone who can handle your entire data journey? From collecting data, to analysing it, to automating the processes around it, and finally presenting it in a stunning, interactive dashboard? You've found that person. I'm Catherine, a data analyst and statistician with deep expertise across the full data pipeline. I don't just run numbers. I help you collect, clean, analyse, automate, and visualise your data in a way that drives real decisions. What I bring to your project: 📊 Statistical analysis & research: Hypothesis testing, regression, SEM, survival analysis, psychometrics/scale validation, and econometric modelling using SPSS, R, Stata, Python, Jamovi, and JMP. I've contributed to peer-reviewed journal publications through my statistical work on surgical databases (NSQIP). 🔍 Qualitative research: Thematic and content analysis using NVivo, MAXQDA, and Atlas.ti for interviews, focus groups, and open-ended survey data. ⚙️ Automation & workflow design: I build end-to-end automated pipelines using Make and Google Apps Script, including integrations with Stripe, Google Forms, Google Sheets, landing pages, and more. Recent clients have seen their manual data workflows fully automated. 📈 Dashboards & data visualisation: Interactive executive dashboards in Power BI and Looker Studio, tailored for marketing teams, operations, healthcare, and finance. I turn raw data into clear, compelling visual stories. 📋 Survey design & data collection: End-to-end survey projects using Google Forms, Typeform, and Qualtrics, including automated data pipelines from form submission to clean, analysis-ready datasets. I've worked across yachting, healthcare, finance, and academia, and I also offer tutoring in SPSS, R, and Stata for students and professionals. Let's talk about how I can support your project.

I build AI-powered business intelligence, reporting automation, machine learning, and deployable data systems that help businesses reduce manual work, improve decision-making, and transform raw data into practical, production-ready solutions. I’m a Certified Data Scientist with hands-on experience across SQL, Python, Power BI, Machine Learning, Deep Learning, NLP, LLM-powered systems, and Streamlit application development. My expertise lies in building complete end-to-end systems — from data extraction and preprocessing to predictive modeling, automated reporting, AI-assisted analytics, interactive dashboards, and deployable business applications. Unlike freelancers who only deliver notebooks or static reports, I build real working systems businesses can use daily — including AI-powered analytics tools, SQL reporting systems, automated workflows, Streamlit applications, machine learning prediction systems, and executive-level Power BI dashboards. I specialize in combining AI, machine learning, automation, analytics, and business intelligence into scalable systems for reporting, operations monitoring, prediction, workflow automation, customer intelligence, and decision support. 🔹 Core Expertise ✔ SQL data analysis & automated reporting systems ✔ Power BI dashboards (KPIs, sales, operations, revenue analytics) ✔ Python automation & workflow optimization ✔ AI & LLM-powered business intelligence systems ✔ Machine Learning & predictive analytics solutions ✔ Time Series Forecasting & business prediction models ✔ Regression, Classification, XGBoost, SVM & ensemble models ✔ Deep Learning & CNN image classification systems ✔ NLP, sentiment analysis & AI-powered text intelligence ✔ Streamlit apps (AI tools, prediction systems, dashboards) ✔ EDA, preprocessing, feature engineering & ML pipelines ✔ End-to-end deployable AI/ML solutions 🔹 Featured Projects • LLM Powered AI Data Analyst System • Enterprise Knowledge AI System • Automated E-commerce BI Dashboard & Reporting System • HR Attendance & Salary Automation System (SQL + Python + Power BI) • ITSM Service Analytics System – Client Project (A+ Rated Delivery) • Customer Sentiment Analysis System (NLP + ML + Dashboard) • Rice Leaf Disease Classifier (CNN + Streamlit App) • Liver Disease Prediction System • Car Price Prediction System • Skin Disorder Prediction System 🔹 Why Clients Work With Me ✔ Business-focused, production-ready solutions ✔ Clean, scalable, and well-structured code ✔ Strong communication & professional delivery ✔ End-to-end implementation — from raw data to deployment ✔ Ability to combine AI, ML, dashboards, automation, and analytics into usable business systems If you need someone who can combine AI, machine learning, automation, SQL, and business intelligence into practical systems your business can actually use — I’d be happy to help.

Top Rated Economist | Data Analyst | Statistician | Quantitative & Qualitative Researcher | Survey Analyst | Statistician Econometrician | Research Analyst | Survey Specialist | Visualization Expert ✅ Lead Analyst @Suncor Energy. Previously, a Business Analyst @NNPC & @Pan Allen Energy ✅ A Consulting Researcher @Statisda with high level research experience -000's of offers closed ✅ Able to Gather and transform data into publication-ready insight for Businesses & Researchers ✅ Econometrics| Time-series |Panel data |Cross-sectional |Non-parametric |ANOVA | Regression ✅ Adapt to any writing & formatting style; MLA, Harvard, APA, Chicago, IEEE ✅ Tools: SPSS | Stata | EViews |R | Python | Power BI | Tableau | Excel ✅ 100% original, Copyscape-verified work with unlimited revisions ✅ Professional dashboards, reports, visualizations & clear storytelling My Services: Thesis, Dissertation & Research Editing, Proofreading & Guide ⭐ Areas of focus; social sciences; Business, Finance, Economics etc ⭐ Data Collection, Literature reviews, case studies, whitepaper guide ⭐ Assistance on In-depth literature review using peer-reviewed journals ⭐ Guide to Perfect formatting in APA, MLA, Chicago, Harvard or IEEE ⭐ Insight on SEO-optimized where needed, while keeping full scholarly rigor ⭐ Professional structure with tables, figures & references Time Series Analysis ⭐ Unit root testing/ Stationarity ⭐ Cointegration analysis ⭐ Long Run Regression ⭐ Auto-Regressive Distributive Lag ⭐ Error Correction Model ⭐ Vector Error Correction Model ⭐ Simultaneous Equation ⭐ Vector Auto-Regressive model ⭐ Generalized Method of Moment ⭐ 2 Stage Least Squares ⭐ Volatility Analysis ⭐ Instrumental Variables ⭐ GARCH Modelling ⭐ ARCH Modelling ⭐ Variance Decomposition ⭐ Impulse Response Model ⭐ Volatility Check ⭐ Auto Correlation ⭐ Walds Test ⭐ And a lot more Panel Analysis ⭐ Panel Unit Root ⭐ Panel Cointegration ⭐ Fixed Effects OLS ⭐ Pool Ordinary Least Square ⭐ Random Effects ⭐ Random Walk ⭐ Fully Modified OLS ⭐ Canonical Regression ⭐ Graphical Presentation ⭐ Online Consultation ⭐ And a lot more Cross Sectional Analysis ⭐ Binary Models: Tobit ⭐ Probit Model ⭐ Logit Model ⭐ Multinomial Analysis ⭐ Factorial Analysis ⭐ Linear Regression ⭐ Correlation ⭐ Delphi Method of Estimation ⭐ Multivariate analyses ⭐ Simultaneous equations ⭐ And a lot more Non Parametric Analysis ⭐ Kruskal-walis Test ⭐ Mann-Whitney Test ⭐ Friedman Test ⭐ Chi-square ⭐ Kappa Measure of Agreement ⭐ Wilcoxon Signed-rank Test ⭐ And a lot more Group Comparison ⭐ T-Tests ⭐ Effect Size ⭐ One Way ANOVA ⭐ Two Way ANOVA ⭐ Multivariate Analysis of Variance ⭐ Analysis of Covariance ⭐ Generalized Linear Models ⭐ And a lot more Survey & Questionnaire ⭐ Questionnaire Design ⭐ Survey Design ⭐ Survey Analysis ⭐ And a lot more Preliminary & Descriptive Analysis ⭐ Massaging and Cleaning ⭐ Data Visualization Graphs & Tables ⭐ Development of Scale ⭐ Cronbach’s Alpha Coefficient ⭐ Mean, Frequency ⭐ Proportions, Charts, Graphs ⭐ Assessing Normality ⭐ Trend Analysis ⭐ Sampling Distributions ⭐ PowerPoint Presentations for Statistical Results ⭐ And a lot more Interactive Dashboard & Visualization ⭐ Visualize sales performance, ⭐ Performance tracking ⭐ Track project progress ⭐ Analyze market trend ⭐ Powerful insights. Tools ⭐ Microsoft Office Programs ⭐ Proficient with Python Programming language ⭐ Online survey distribution programs; Qualtrics, Survey Monkey, Google Survey ⭐ Econometrics; SPSS, STATA, EVIEWS, MAT-LAB, TABLEAU, RStudio etc

With a Ph.D. in Industrial/Organizational Psychology and a Master's in Applied Statistics and Data Analytics, I bridge data science and organizational strategy. I specialize in turning complex, multi-source data into clear, defensible insights that support decision-making across business, HR, research, and financial contexts. I've worked with performance, sales, engagement, and survey datasets to develop KPIs, surface patterns, build predictive models, and automate reporting pipelines that produce clean, branded outputs. I also do independent validation and methodological review, pressure-testing survey instruments, models, and AI-generated data to tell clients honestly where the work holds up and where it doesn't. My toolkit spans data cleaning, visualization, and predictive modeling in Python, R, SQL, and Excel, with deep experience in survey design, psychometrics, and text analytics. I can help you with: *Data Cleaning, Validation & Integration – Building reliable, analysis-ready datasets from multiple sources. *Validation & Methodological Review – Independent benchmarking, psychometric and content validation, and honest assessment of frameworks, assessments, and meausres. *KPI & Dashboard Development – Defining and visualizing performance metrics that align with strategy. *Survey Design & Workforce Analytics – Designing and analyzing surveys for employee experience, leadership, and DEI. *Predictive & Statistical Modeling – Regression, SEM, and machine learning for forecasting and insight. *Data Storytelling & Strategy – Turning analytics into narratives and recommendations for executives and teams. My goal is simple: to make analytics practical, reliable, and strategic, helping organizations turn data into smarter action.