In this tutorial, we will learn how to sort a dataframe by one or more columns using dplyr's arrange() function. dplyr's arrange() function is one of the important functions in dplyr that lets you use dplyr to sort rows. By sorting, we mean dplyr's arrange() changes the order … [Read more...] about dplyr arrange: Sort rows by one or more variables
How to use cbind() function in R
In this tutorial, we will learn how to use cbind() function in R. The cbind() function in the R programming language is used to combine vectors, matrices, or data frames by columns. cbind() stands for column bind as it combines by column. The basic syntax for using cbind() is … [Read more...] about How to use cbind() function in R
How to use outer function in R
In this tutorial, we will learn how to use outer() function in R. The outer() function in R is a useful tool for applying a function to all pairs of elements of two input vectors. The basic syntax of using outer() function is this Here X and Y are vectors and default … [Read more...] about How to use outer function in R
How to use dollar $ operator in R
R programming language uses $ operator (dollar operator) for extracting or accessing elements from data structures like list or dataframe. For example, with $ operator we can select specific elements of a list or dataframe by their names instead of their position. In this … [Read more...] about How to use dollar $ operator in R
How to compute mean in R
In this tutorial, we will learn how to use mean() function in R to compute mean (or average) of a vector. In the most basic use case, mean() function takes a vector as input argument and computes arithmetic mean of the elements in the vector In R, we can learn more about … [Read more...] about How to compute mean in R