Dates in R are stored as the number of days since 1970-01-01, so converting a Date object to a Numeric…
In R, you can think of a vector as a series of values in a single column. It contains the…
The dplyr filter() function in R subsets a data frame and retains all rows that satisfy the conditions. In other…
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…