R

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(‘2022-10-31’), by=’1…

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

Spline regression is a type of regression that is used when there are points or “knots” where the pattern in the data…

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

You can use the createDataPartition() function from the caret package in R to partition a data frame into training and testing sets…

You can use the following basic syntax to shade a particular area in a plot in ggplot2: ggplot(df, aes(x=x, y=y)) + geom_point()…

You can use the lag() function from the dplyr package in R to calculated lagged values. This function uses the following basic…

You can use the following methods to create a violin plot in ggplot2: Method 1: Create Violin Plots by Group ggplot(df, aes(x=group_var,…

You can use the n() function from the dplyr package in R to count the number of observations in a group. Here…

You can use the following basic syntax to plot the mean values by group using the geom_bar() function in ggplot2: library(ggplot2) ggplot(df,…