What is the rbind() Function in R

rbind in R- How to Bind Data Frame Rows Vertically

The rbind() function in R, short for row-bind, “combines vectors, matrices, and data frames by rows“. Syntax rbind(input_data, data_to_bind) Parameters The input_data is input data. The data_to_bind is the data that needs to be bound. Visual representation Example 1: Rbind vectors into a matrix You can use the rbind() function in R to “combine vectors into a matrix by … Read more

What is the cbind() Function in R

cbind in R - How to Bind Data Frame By Columns

The cbind, short for column bind in R, is a function “used to combine specified Vector, Matrix or Data Frame by columns”. Syntax cbind(a1, a2, …, deparse.level = 1) Parameters a1, a2: It is a vector, matrix, and data frame. deparse.level: This value determines how the column names are generated. The default value of the deparse.level is … Read more

How to Append Data Frames in R

How to Append Data Frames in R

To append data frames in R, you can use the “rbind()” or “nrow()” function. Method 1: Using the rbind() function The easiest way to append data frames in R is to the “rbind()” function. The “rbind()” function appends all records from the second data frame at the end of the first data frame. Syntax rbind(a, b) Parameters … Read more

What is the colSums() Function in R

R colSums() Function with Example

The colSums() function in R is “used to calculate the sum of each column in a data frame or matrix”. Syntax colSums(x, na.rm = FALSE) Parameters x: It is an array of two or more dimensions containing numeric, complex, integer, or logical values or a numeric data frame. na.rm: It is logical. Should missing values … Read more

What is the rowMeans() Function in R

rowMeans() Function in R with Example

The rowMeans() function in R “calculates the mean of each row of a data frame or matrix”. Syntax rowMeans(x, na.rm = FALSE) Parameters x: It is an array of two or more dimensions containing numeric, complex, integer, or logical values or a numeric data frame. na.rm: It is a logical argument. If TRUE, NA values … Read more

What is the colMeans() Function in R

colMeans() Function in R with Example

The colMeans() is a built-in R function that “calculates the mean of several columns of a data frame or matrix”. Syntax colMeans(x, na.rm = FALSE) Parameters x: It is an array of two or more dimensions containing numeric, complex, integer, or logical values or a numeric data frame. na.rm: It is a logical argument. If … Read more

What is the tryCatch() Function in R

R tryCatch(): How to Handle Errors and Exceptions in R

The tryCatch() function in R “returns the value of some expression or produces a custom message if a warning or error occurs“. For example, tryCatch(log(“a”), error = function(e) print(“Error!”)) prints “Error!” instead of stopping the program. Syntax result = tryCatch({ expression }, warning = function(w) { warning-handler-code }, error = function(e) { error-handler-code }, finally = … Read more

What is the grep() Function in R

grep in R - How to Use grep() Function in R

The grep() is a built-in R function that “checks for matches of characters or sequences of characters in a given string”. Syntax grep(pattern, x, ignore.case = FALSE, value = FALSE) Arguments pattern: It takes a character string containing a regular expression (or character string for fixed = TRUE) to match the given character vector. x: It … Read more