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cbosiemo/README.md

Hi, I'm Cynthia Osiemo

Research & Data Analyst | MSc Data Science Student

I work across research, statistics, MEL, and data analytics, combining quantitative and mixed-methods research experience with applied data science.

My work spans research design, survey and field data, statistical analysis, data quality, evidence synthesis, visualisation, and stakeholder reporting. I am particularly interested in using rigorous research and data analysis to investigate socioeconomic, public-health, development, and environmental questions and translate evidence into practical insights.

I am currently pursuing an MSc in Data Science, developing advanced capabilities in statistical computing, machine learning, big data analytics, database systems, algorithm analysis, linear algebra, statistical modelling, business intelligence, and data storytelling, alongside applied work in Python, R, Stata, SQL, and SPSS.

Featured Projects

🌍 Historical Air Quality Analysis in Python

Exploratory and predictive analysis of hourly air-quality data, covering time-series patterns, pollutant-weather relationships, statistical analysis, and benzene estimation using Linear Regression and Random Forest.

Python · pandas · scikit-learn · Statistical Analysis · Time-Series Analysis · Machine Learning

View project


📊 Determinants of Child Malnutrition in Kenya

Independent Quantitative Research Project | Ongoing

Analysis of the 2022 Kenya Demographic and Health Survey (KDHS) examining socioeconomic, demographic, and household determinants of child malnutrition using survey-weighted statistics and multivariable logistic regression.

Stata · Survey-Weighted Analysis · Statistical Inference · Logistic Regression · KDHS 2022

View project


📈 Interactive Performance Monitoring Dashboard

Interactive Excel dashboard transforming sales and margin data into KPIs, trend analysis, and dynamic performance visualisations.

Excel · PivotTables · Pivot Charts · KPI Development · Data Visualisation

View project

Research & Technical Toolkit

Statistical Analysis: Descriptive & Inferential Statistics · Statistical Inference · Sampling Methods · Hypothesis Testing · ANOVA · Chi-Square Tests · Linear & Logistic Regression · Survey-Weighted Analysis · Statistical Modelling

Programming & Data: Python · R · Stata · SQL · SPSS · Advanced Excel

Data Visualisation & BI: Power BI · Tableau · Matplotlib · Seaborn · Excel Dashboards

Research Methods: Quantitative Research · Qualitative Research · Mixed-Methods Research · Research Design · Survey & Questionnaire Development · KIIs · FGDs · Thematic Analysis · Literature & Desk Reviews · Evidence Synthesis

Data Collection & Fieldwork: KoboToolbox · ODK-based Platforms · CAPI Workflows · Data Quality Assurance · Field Data Management · Fieldwork Coordination · Research Ethics · Informed Consent

Qualitative Analysis: NVivo · Dedoose

Professional Membership

Member, Statistical Society of Kenya

Current Focus

Currently strengthening my work at the intersection of applied statistics, research, and data science, with particular interests in socioeconomic and public-health analysis, survey data, environmental data, machine learning, and reproducible research.


Let's Connect

I'm interested in research, data analytics, statistical analysis, impact and evidence, and applied data science opportunities where rigorous analysis can support better decisions.

Explore my repositories to see my current work.

Popular repositories Loading

  1. Excel_Performance_Dashboard Excel_Performance_Dashboard Public

    An interactive Excel dashboard built with PivotTables, PivotCharts, and slicers to analyse sales, operating profit, and profit margins. Transforms raw data into dynamic KPIs and visual insights for…

  2. determinants-child-malnutrition-kenya determinants-child-malnutrition-kenya Public

    A quantitative research project investigating the determinants of child malnutrition in Kenya using the 2022 Kenya Demographic and Health Survey (KDHS).

    Stata

  3. air-quality-analysis-python air-quality-analysis-python Public

    End-to-end analysis of historical air-quality data using Python, covering data cleaning, temporal patterns, pollutant-weather relationships, statistical analysis, and predictive modelling.

    Jupyter Notebook

  4. cbosiemo cbosiemo Public

    Research & Data Analyst | MSc Data Science Student | Python • R • Stata • Statistical Analysis

  5. online-sales-dashboard online-sales-dashboard Public

    Interactive sales analytics dashboard built with Python, Streamlit, Pandas and Plotly, featuring dynamic filters, KPI tracking and interactive data visualizations.

    Python