How to Compute Pearson Correlation of Multiple Variables

In this tutorial, we will learn how to compute Pearson correlation of multiple variables. We will use two approaches to compute Pearson correlation of multiple variables in a matrix or dataframe. First we will show how to use cor() function in R to compute Pearson correlation of all variables against all variables. Then we will… Continue reading How to Compute Pearson Correlation of Multiple Variables

expand_grid(): Create all possible combinations of variables

In this tutorial, we will learn how to create all possible combinations of two variables using tidyr’s expand_grid() function. For example, if we have two variables of interest and want to create a dataframe with all possible combinations of the values of the two variables, we can use expand_grid() function. let us get started by… Continue reading expand_grid(): Create all possible combinations of variables

How to convert a list to a dataframe

In this tutorial, we will learn 3 different ways to convert a list object into a dataframe in R. First we will show how to use the base R function as.data.frame() to convert a list to a dataframe. Then we will show examples using map_df() function in purrr package in tidyverse and bind_rows() function in… Continue reading How to convert a list to a dataframe

Exit mobile version