R

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,…

You can use the following methods to convert Excel dates that are formatted as numbers into proper dates in R: Method 1:…

You can use the following basic syntax to add labels to a histogram in ggplot2: ggplot(data=df, aes(x=values_var)) + geom_histogram(aes(fill=group_var), binwidth=1, color=’black’) +…

You can use one of the following methods in R to concatenate a vector of strings together: Method 1: Use paste() in …