Summary Research Skills: Programming With R (880254-M-3)

Programming with R
Marijn van Wingerden


TABLE OF CONTENTS

THE BASICS......................................................................................................................................................................................................................4


DATA TYPES .......................................................................................................................................................................................................................4
DATA STRUCTURES...............................................................................................................................................................................................................4
OBJECTS ............................................................................................................................................................................................................................4
SUBSETTING .......................................................................................................................................................................................................................6
ADDING ............................................................................................................................................................................................................................7
OPERATIONS ......................................................................................................................................................................................................................8
FUNCTIONS (BASE R) ............................................................................................................................................................................................................9
FUNCTIONS REGARDING THE CLASS OF AN OBJECT ......................................................................................................................................................................................10


WORKING WITH DATA SETS (PACKAGES: BASE AND DPLYR) ...........................................................................................................................................11


READING IN DATA .............................................................................................................................................................................................................. 11
GETTING AN OVERVIEW.......................................................................................................................................................................................................11
OPERATORS ..................................................................................................................................................................................................................... 13
ARITHMETIC OPERATORS ........................................................................................................................................................................................................................13
RELATIONAL OPERATORS ........................................................................................................................................................................................................................13
LOGICAL OPERATORS .............................................................................................................................................................................................................................14
OTHER ................................................................................................................................................................................................................................................14