The grepl() function (stands for "grep logical") in R searches for patterns within each element of a character vector. It…
For data exploration, quickly inspecting the data, verifying the structure, or debugging large datasets, we need some kind of tool…
The %in% operator checks if elements of one vector are present in another vector. It returns a logical vector of the…
The %in% operator checks whether the element is present. And NOT IN (%!in%) operator does the exact opposite. The %!in%…
For understanding the central tendency of your input dataset, you need to calculate the basic summaries like mean, median, and…
The type.convert() is a built-in R function that intelligently converts a vector, factor, or data frame column into the most…
R vectors are atomic, meaning they contain homogeneous data types. They are contiguous in memory. Here are some of the…
To create a data frame from vectors in R, use the data.frame() function and pass the vectors. Ensure you have…
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…