Keywords

main page

:
- - 3 ways to create vectors
  - Range of numbers
as.numeric
- - Convert string (character) to numeric
  - Convert vector of strings to numerics
barplot
- - Bar plot
  - Quick graphs
basename
- - Filesystem pathes
boxplot
- - Quick graphs
c
- - R vectors
  - 3 ways to create vectors
cat
- - Write to a textfile
character
- - Variable types (numeric, character, logical, function)
  - Variable types are deducted
class
- - Variable types (numeric, character, logical, function)
  - Variable types are deducted
cwd
- - Filesystem get current working directory (cwd)
dirname
- - Filesystem pathes
else
- - if-statement
file
- - Write to a textfile
file.path
- - Concatenate pathes
for
- - for loop
function
- - Variable types (numeric, character, logical, function)
getwd
- - Filesystem get current working directory (cwd)
  - Change directory
gsub
- - Substitute all occurences using gsub
help
- - Launch interactive R, get help, and quit
hist
- - Quick graphs
  - Random numbers in normal distribution
if
- - if-statement
in
- - for loop
isa
- - Variable types (numeric, character, logical, function)
  - Variable types are deducted
JSON
- - Read JSON file
list.dirs
- - Recursively list files and directories
list.files
- - Recursively list files and directories
logical
- - Variable types (numeric, character, logical, function)
  - Variable types are deducted
max
- - Some basic statistical functions
mean
- - Some basic statistical functions
  - Summary of numeric data
median
- - Some basic statistical functions
min
- - Some basic statistical functions
numeric
- - Variable types (numeric, character, logical, function)
  - Variable types are deducted
order
- - Sort using order
paste
- - paste (join) strings and numbers together
pie
- - Quick graphs
plot
- - Quick graphs
print
- - Running R on the command line using Rscript
q
- - Launch interactive R, get help, and quit
quit
- - Exit - quit
R
- - Launch interactive R, get help, and quit
read_json
- - Read JSON file
rep
- - Repeate the same number
rev
- - Reverse vector
reverse
- - Reverse vector
rnorm
- - Random numbers in normal distribution
Rscript
- - Running R on the command line using Rscript
seq
- - 3 ways to create vectors
  - R - sequences and ranges
setwd
- - Change directory
sort
- - Sort vector
sub
- - Substitute first occurence using sub
sum
- - Some basic statistical functions
summary
- - Summary of numeric data
which
- - Index of true elements - which