In this post, we will learn how to drop unused level or levels of a factor variable in R. Sometimes, we may end up with a factor variable with un used levels after some data munging. Unused factor levels can sometime create issues while analyzing the data. In this tutorial, … [Read more...] about How to drop unused level of factor variable in R
tidyverse
T-test on real data using tidyverse
In this post, we will learn how to perform t-test on a real dataset and use tidyverse framework to access results from t-test. Check out the post how to do t-test to learn base R approach to t-tes. We will use Palmer penguin dataset, a real world dataset, to show how to … [Read more...] about T-test on real data using tidyverse
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 … [Read more...] about How to convert a list to a dataframe
How to add currency symbols to columns of a table with gt()
In this tutorial, we will learn how to add currency symbols, like US dollars, Euro, UK pound, Indian Rupee to columns of a table using the R package gt. Let us load gt package to make beautiful tables and tidyverse. First we will create a simple dataframe/tibble with … [Read more...] about How to add currency symbols to columns of a table with gt()
How to sort columns alphabetically
In this tutorial, we will learn how to sort columns of a dataframe in alphabetical order. We will first use tidyverse to sort columns of a dataframe using two different ways. And then we will see how to use base R functions to sort the columns. Let us load … [Read more...] about How to sort columns alphabetically