The aggregate function in R can aggregate the input data frame by applying a function defined by the FUN argument to each column of sub-data frames defined using a by parameter. aggregate in R To aggregate data in R, use the aggregate() function. The aggregate() is a built-in R method that splits the data into … Read more
R language consists of different data types and each data type has its own unique ability. When we are working with large datasets, sometimes, we need to get an overview of the specific structure, and to solve that problem, we can use the str() function. It compactly displays the internal structure of an R object. … Read more
The rep() is an iteration function in R. The term iteration means repetition. An iteration is a core aspect of R. The regular loops like for loop, and while loop is costly in time and memory management. The rep() is a good vectorized alternative method whose goal is to achieve iteration. Vectorized methods operate on … Read more
R provides the sprintf() function that provides string formatting as the same C language. To be more specific, the sprintf() method is a wrapper for the C library method of the same name. sprintf() in R The sprintf() is a built-in R function that returns a character vector containing the formatted combination of text and … Read more
The string is a collection of combined letters and words. String manipulation is a common operation in R programming. concatenation, splitting, and joining are common operations we need to perform on the string. strsplit() in R The strsplit() is a built-in R function that splits the string vector into sub-strings. The strsplit() method returns the … Read more
R abs() is an inbuilt Math function that is used to calculate the absolute values. The abs() function returns the positive value of specific numeric data or an expression. R absolute value To calculate the absolute value in R, use the abs() method. The abs() is a built-in method that is used to get the … Read more
We often come across a functionality where we want to check something by comparing it with patten. We use a regular expression to match certain character vectors in the string. Let’s see how to use regular expression in R. grepl in R The grepl() is a built-in function that searches for matches of a string … Read more
The charmatch() function attempts to match the elements of its first argument among those of its second. charmatch in R The charmatch() is a built-in R function that finds matches between two arguments. To do a Partial String Matching in R, use the charmatch() function. The charmatch() function accepts three arguments and returns the integer … Read more
The char.expand() method is especially useful when abbreviations are allowed in function arguments and need to be uniquely expanded with respect to a target table of possible values. char.expand in R The char.expand() is a built-in function that seeks a unique match of its first argument among the elements of its second. If successful, it returns … Read more
Infinity is the concept of something unlimited, endless, without boundary in mathematics. In math, infinity is a concept that refers to an endless quantity that’s larger than every real number. Infinity can appear if you divide any number by 0 in mathematics. Types of Infinity in R There are two types of infinity in R. Positive … Read more