R

You can use the following syntax to group data by hour and perform some aggregation in R: library(dplyr) library(lubridate) #group by hours…

There are three common ways to create a vector of zeros in R: Method 1: Use numeric() #create vector of 12 zeros…

You can use the following methods to count the number of unique values in a column of a data frame in R:…

Often you may want to plot a table along with a chart in R. Fortunately this is easy to do using functions…

You can use the microbenchmark package in R to compare the execution time of different expressions. You can use the following syntax…

You can use the mtext() function in R to write text in the margins of a plot. This function uses the following…

You can use the LETTERS constant in R to access letters from the alphabet. The following examples show the most common ways…

The file.path() function in base R offers a convenient way to define a file path. This function uses the following basic syntax:…

You can use the following basic syntax to generate a sequence of dates using the lubridate package in R: seq(ymd(‘2022-01-01’), ymd(‘2014-10-31’), by=’1…

The require() and library() functions can both be used to load packages in R, but they have one subtle difference: require() will…