If you are looking for a qualified biostatistician for your research project, this place is suitable for you. I have many experiences in study design, statistical analysis, research paper preparing, and a range of analysis tools. I can analyse your quantitative data using SAS,SPSS. i offer the following services- Study design Descriptive analysis (e.g. mean, SD, median...) Correlation & Regression (e.g Linear, Logistic, Poisson, Negative binomial) Survival Analysis (time to the first event, repeated event survival analysis) Mixed model analysis Prediction models Time series analysis Seasonality analysis SAS Macro developing Preparing related Tables and Figures Data visualization Data cleaning