3 Ways to Remove Columns by Name in R
In this article, we discuss 3 methods to remove columns from an R data frame based on their name.
How to Check for Digits in a String in R [Examples]
In this article, we demonstrate how to check if an R string contains one, multilpe, or no digits.
3 Ways to Replace Blanks with NA’s in R [Examples]
In this article, we discuss 3 ways to replace blanks (i.e., whitespace) with NA’s in R.
5 Ways to Check the Normality of Residuals in R [Examples]
In this article, we show 5 ways to check the assumption of a regression model that the residuals are normally distributed.
3 Ways to Test for Multicollinearity in R [Examples]
In this article, we discuss 3 ways to test for multicollinearity in R.
How to Change the Case of Column Names in R [Examples]
In this article, we discuss how to change the case of a column name in R.
How to Convert Text into Uppercase in R [Examples]
In this article, we discuss how to convert the characters of a text string in R to uppercase.
How to Convert Text into Lowercase in R [Examples]
In this article, we discuss how to convert text (strings and column) in R to lowercase.
3 Ways to Drop Rows with NA’s in One/Some/All Columns in R [Examples]
In this article, we demonstrate how to remove rows with NA’s in one, multiple, or all columns from an R data frame.
3 Ways to Count the Number of NA’s per Column in R [Examples]
In this article, we demonstrate 3 ways to count the number of NA’s per column in R.
