The dplyr::distinct() function in R removes duplicate rows from a data frame or tibble and keeps unique rows. You can provide…
NA values are missing values. They are somehow absent from a data frame. Before creating a model based on a…
The append() function in R concatenates values to a vector or list at a specified position. It returns a new…
NULL represents a null object, and sometimes, it's logical for the project to filter it out from either a list…
In a real-life dataset, the last row may contain metadata, summaries, footnotes, or unwanted rows that are not needed for…
When we attempt to remove the first row of a data frame, we are essentially selecting all the rows except…
The basename() is a base R function that extracts the last component (or the 'base name') of a file or…
To grow the list, you can add an element (numeric value, character vectors, other lists, data frames, or functions) at…
In R, unique() and subsetting with !duplicated() are efficient ways to remove duplicates. Duplicate elements in a vector refer to…
The best and most efficient way to remove rows from a data frame is using "negative indexing". It is a…