Welcome!
"R Core Basics Unleashed" is an R guide that covers the following topics: loading data files, R projects and R Markdown, data preprocessing, data visualisation, and data analysis (exploratory and confirmatory factor analysis, linear regression, mediation, ANOVA and MANOVA, and missing data)
This guide is made using R Markdown and bookdown (https://github.com/rstudio/bookdown).
Additional resources for bookdown:
The bookdown book: https://bookdown.org/yihui/bookdown/ The bookdown package reference site: https://pkgs.rstudio.com/bookdown