str in R: How to Check Data Structure of Object in R

str() Function in R with Example

R language consists of different data types, and each data type has its 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. str … Read more

How to Remove Rows in R

How to Remove Single Row or Multiple Rows in R

To understand a detailed analysis of the dataset, sometimes, we want to remove specific rows and clear the data to analyze more efficiently. This is where subsetting is essential and, in other words deleting specific rows. How to remove rows in R To remove the rows in R, use the subsetting in R. There is … Read more

summary in R: How to Use summary() Function

summary() Function in R with Example

To get a better idea of the distribution of your variables in the dataset, use the summary() function. If you need a quick survey of your dataset, you can, of course, always use the R str() function and look at the structure. summary in R The summary is a built-in R function used to produce result summaries of various … Read more

sprintf in R: How to Print Formatted String in R

sprintf() Function in R with Example

R provides the sprintf() function that provides string formatting as the same C language. Specifically, 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 variable values. It … Read more

seq_along() Function in R: Complete Guide

seq_along() Function in R - Complete Guide

The seq() function acts like the seq_along() method except when passed a vector of length 1, in which case it works like the seq_len() method. If the input number to seq() function is length 1 then the outputs between seq() and seq_along() will be different. Let’s deep dive into seq_along() function. seq_along() function in R … Read more

seq_len in R: How to Create a Sequence from 1 to N

seq_len in R - How to Create a Sequence from 1 to N

In the past, we used the “colon sequence” notation to create sequences. for (k in 1:5) { print(paste(k)) } Output [1] “1” [1] “2” [1] “3” [1] “4” [1] “5” But there is a problem using this notation. The colon sequence notation can be dangerous as it does not correctly handle the empty sequence case. … Read more

round in R: How to Round Numbers in R

R round - How to Round Off Numbers in R

Rounding implies making a number milder but keeping its value nearer to what it was. The result after rounding is less accurate but easier to use. When rounding a number, the first question in your mind should be: what are you rounding it to? The numbers can be rounded to the closest ten, nearest hundred, or thousand, … Read more

How to Replace NA in R

How to Replace NA in R

The dplyr package is the next iteration of plyr, focus on tools for working with data frames. The key object in dplyr is a tbl, a representation of a tabular data structure. Replace NA in R To replace NA with specified values in R, use the replace_na() function. The replace_na() function replaces NAs with specified values. … Read more