The use of apply functions enables data scientists to make the things easier. In this tutorial, we go over apply, tapply, lapply, sapply, vapply and mapply. Find out how to use apply functions in R.

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Sometimes, we need to merge datasets coming from different sources. This ultimate tutorial includes combining the data frames in different ways. Find out how to merge data frames in R.

Continue readingConverting data type to numeric is important while analyzing the data in R. In this tutorial, we will learn three ways of converting the colums of data frame to numeric. Find out how to convert all columns of data frame to numeric in R.

Continue readingClass of a variable is important while analyzing the data in R. This ultimate tutorial includes three ways of discovering the class of each column in data frame. Find out how to obtain class of each column in R data frame.

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