Pabasara W.

I am Pabasara Wimalasinghe. I completed MSc in Biostatistics at the Postgraduate Institute of Agriculture (PGIA), University of Peradeniya. My academic background and research experience enable me to provide high-quality statistical analysis and research support. I have hands-on experience in research design, questionnaire development, data management, data cleaning, statistical analysis, interpretation of results, and scientific report writing. I have worked with undergraduate and postgraduate research projects across various disciplines and can help make your research process efficient and accurate. I have experience in Structural Equation Modeling (SEM), including developing conceptual models, measurement model assessment, structural model analysis, mediation analysis, reliability and validity assessment, and interpretation of SEM results. I am proficient in the following software: IBM SPSS R and RStudio SAS Minitab Eview STATA I have experience performing statistical analyses for cross-sectional, longitudinal, panel, and time-series data, depending on the research objectives. Some of the statistical techniques I frequently perform include: One-Sample t-test Independent Samples t-test Paired Samples t-test One-way ANOVA Two-way ANOVA Chi-square Test Pearson Correlation Spearman Rank Correlation Linear Regression Multiple Linear Regression Logistic Regression Ordinal Logistic Regression Poisson Regression Negative Binomial Regression Generalized Linear Models (GLM) Mixed-Effects Models Survival Analysis Structural Equation Modeling (SEM) Exploratory and Confirmatory Factor Analysis Reliability Analysis (Cronbach's Alpha, ICC) Principal Component Analysis (PCA) Cluster Analysis Time Series Analysis In addition to statistical analysis, I can assist with: Research proposal development Questionnaire design and validation Data coding, cleaning, and preparation Data visualization and presentation Interpretation of statistical outputs Preparation of publication-ready tables and figures Thesis, dissertation, and manuscript support I am committed to delivering accurate, reliable, and well-documented statistical analyses while meeting project deadlines. My combination of research experience, statistical expertise, and strong IT skills allows me to provide comprehensive support for academic and research projects.