The dplyr and data.table part are based on the courses Data Manipulation in R with dplyr and Data Manipulation in R, the data.table way on DataCamp. Hope the description along with the code in this guide help you understand the basic data wrangling in R clearly.

dplyr

Overview ...

For the original Knitr version HTML file, see here. It looks like the plugin of Pelican doesn't support Rmd perfectly.

1. Introduction

The sinking of Titanic in twentieth century is an sensational tragedy, in which 1502 out of 2224 passenger and crew members were killed. Kaggle provided this dataset ...