rm
{base}
Remove objects
read.csv
{utils}
Read a csv file to data frame. Specify stringsAsFactors = FALSE to keep all string columns as characters
mean
{base}
Get mean of a vector
setwd
{base}
Set Working Directory
plot
{graphics}
Generic function from base R to produce a plot
min
{base}
Get minimum of a vector
seq
{base}
Create a sequence
which.min
{base}
Return the index of the smallest value in a vector
ordered
{dplyr}
Create an ordered factor
summary
{base}
Obtain summary statistics or detailed regression output
boxplot
{graphics}
Plot a simple box plot
arrange
{dplyr}
Sort values of data frame according to a variable/combination of variables
geom_histogram
{GGPLOT2}
Generates a histogram
range
{base}
Return range of values
quantile
{stats}
Obtain empirical quantiles of a vector
labs
{GGPLOT2}
Customise labels in GGPLOT2
c
{base}
Combine values/vectors into a vector
median
{stats}
Get median of a vector
hist
{graphics}
Plot a simple histogram
scale_x_continuous
{GGPLOT2}
Customise continuous x axis
with
{base}
evaluate expression in the context of a data frame
sd
{stats}
Get standard deviation of a vector
read_excel
{readxl}
Read an Excel file
var
{stats}
Calculate variance
desc
{dplyr}
Arrange in descending order
aes
{GGPLOT2}
Construct aesthetic mapping of a ggplot graph
install.packages
{utils}
Install R packages
ggplot
{GGPLOT2}
Create a ggplot graph
theme_classic
{GGPLOT2}
A minimalistic theme with no gridlines
length
{base}
Returns number of elements in an object
print
{base}
Print object to the console
nrow
{base}
Get number of rows of a data frame
ls
{base}
Return a vector of character strings giving the names of the objects in the specified environment
library
{base}
Load an R package
mutate
{dplyr}
Create new variables
max
{base}
Get maximum of a vector
which.max
{base}
return index of the largest value in a vector
cut
{base}
Convert Numeric to Factor
sum
{base}
Get sum of numeric values or a vector
table
{base}
Obtain frequency table of a variable/cross-tabulation of two variables
The end!