R Advanced

The dirname() function in R is used to extract the path to the directory from a full file path. Essentially, it returns the directory part of a file path, excluding the file name. This function is often used in conjunction with other file-handling functions like basename() (which extracts the file name) and file.path() (for constructing … Read more

The seq_along() function in R is used to generate a sequence of integers along the length of its argument. Syntax seq_along(len) Parameters len: It takes a length as an argument. Return value It returns an integer vector unless it is a long vector when it will be double. Example 1: Basic usage of seq_along() seq_along(LETTERS[1:5]) … Read more

The as_tibble() function in R is used to convert objects like data frames, lists, or matrices into tibbles. Tibbles are a modern take on data frames but with some added conveniences and changes to behavior. A tibble is a type of data frame with advantages over regular data frames, such as enhanced printing and subsetting. … Read more

Here are three ways to append data frames in R: Using rbind() Using dplyr::bind_rows() Using nrow() Method 1: Using rbind() This function is used to append all data from the second data frame at the end of the first data frame. Syntax rbind(a, b) Parameters The a is input data. The b is the data that needs to … Read more

Set the current working directory The setwd() function is used to set the working directory to the new location. Provide the path to the desired directory as an argument to this function. Syntax setwd(dir) Parameters dir: Replace “dir” with the actual path where you want to set your working directory. The path can be relative … Read more