Descriptive analysis and basic statistics in biomedical studies using R and Markdown

IACS - Instituto Aragonés de Ciencias de la Salud. Zaragoza

Juan R Gonzalez

Bioinformatics Research Group in Epidemiology - BRGE

Barcelona Institute for Global Health - ISGlobal

Day 1: Descriptive analysis

• Getting started: installing R and Rstudio
• R basics
• Loading data into R
• Descriptive analysis

Day 2: Inferential analysis

• Hypothesis testing

1. Parametric tests: t-test, ANOVA, Chi-squared
2. Non-parametric tests: Fisher, Wilcoxon, Kruskall-Wallis

• Statistical modelling

1. Linear regression
2. Logistic regression
3. Survival analysis

Day 3: Graphics

• Basic R functions
• Lattice
• ggplot2

Day 4: Reproducible research

• Knitr
• R Markdown
• Creating reports using R libraries