The append() function in R concatenates values to a vector or list at a specified position. It returns a new…
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…
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…
Before executing an operation on an object, it is advisable to check its length, as this helps prevent potential errors.…
Rounding is a process of approximating a number to a shorter, simpler, and more interpretable value while retaining its closeness…
For string operations like comparing strings, data standardization, formatting output, or input validation, we may want to convert the input…
The names() function in R gets or sets the names of objects such as vectors, lists, or data frames. If you are using it…
When you convert a list to a matrix, you are essentially taking the elements of a list and rearranging them…