There are several ways to combine strings, also known as concatenation strings in R, and in today’s article, we will see all the different ways. Combine Strings in R To combine strings in R, you can use the five different ways. Using the paste() function: It combines or concatenates two or more strings. Using the … Read more
A character is a single letter, symbol, or any printable element representing a string of 1. A string is a sequence of characters, also known as a text, and it is represented using single quotes (”) or double quotes (“”). Let’s see various ways to find a character or check the character’s existence in the … Read more
Several useful functions in R check the variable type or convert it between different variable types. For most of the major R objects, language provides is.datatype() function or as.datatype() function. For example, if we are checking for the vectors, then the R language provides is.vector() function to check if it is a vector or not … Read more
To check if a variable exists in R, use the exists() function. The exists() function checks if an object with a given name exists in the current environment. It returns a logical value of TRUE if the object exists and FALSE if it does not. Syntax exists(name, where = parent.frame(), mode = “any”, inherits = … Read more
We often see a functionality where we want to check something by comparing it with a pattern. We use a regular expression to match specific character vectors in the string. Let’s see how to use regular expressions in R. Why searching for patterns in strings is important in R Searching for patterns in strings is … Read more
The numeric() method creates or coerces objects of type “numeric”. The default method is.numeric() returns TRUE if its parameter is of mode “numeric” (which can be of type “double” or “integer“) and not a factor. Otherwise, it returns FALSE. The is.numeric() function can be used for a more comprehensive test of an interpretable object as … Read more
Introduction to Factors in R Definition of factors in R R factor is a data type that can store categorical variables. Factors are stored as a vector of integer values with a related set of character values called the “levels”. Factors are stored as integers and have labels associated with these unique integers. Use the … Read more
Building a list of multiple elements over time is helpful. If you need to create a list of names, emails, and phone numbers and then append all of these lists together to create a single list, you require some methods or approaches to do that. How to Append Multiple Elements to a List in R … Read more
Vectors are the primary data type in R and can store multiple values of the same data type. Vectors can store and manipulate data consistently and efficiently. R append multiple elements to a vector There are 3 easy ways to append multiple elements to a Vector in R. Using the c() function: The c() function … Read more
The print() is a standard function in R that takes the object you want to print as an argument and outputs it to the console. In this article, we will see various approaches to printing the list and string in R. How to Print String and List Objects in R 3 Ways to print string … Read more