Data Manipulation and Transformation Tutorials

How to Use with() and within() Functions in R

Apr 26, 2024
R-PROGRAMMING

In R we use with() and within() function to evaluate expression based on dataframe. The following methods show how you...

2 min Read

Import CSV with Column Names that Contain Spaces

Apr 26, 2024
R-PROGRAMMING

Suppose you want to import CSV file and keep the spaces in the column names, you can use the check.names=FALSE...

2 min Read

Remove a Column in a Data Frame in R

Apr 26, 2024
R-PROGRAMMING

To remove column from dataframe in R, you can use four different ways: The following methods show how you can...

2 min Read

Add a New Column to Data Frame in R

Apr 25, 2024
R-PROGRAMMING

To add new column to data frame in R, you can use two different methods. The following methods show how...

2 min Read

Convert Numeric to Character Column in R Data Frame

Apr 25, 2024
R-PROGRAMMING

To convert numeric to character column of data frame in R, you can use as.character() function. The following method shows...

2 min Read

How to Aggregate Multiple Columns in R

Apr 25, 2024
R-PROGRAMMING

You can use aggregate() function for multiple column of data frame in R.The aggregate() function is basically used calculate statistical...

2 min Read

How to Calculate Expected Value in R

Apr 25, 2024
R-PROGRAMMING

To calculate expected value in R, there two different ways are available in R. The following methods show how you...

1 min Read

How to Count Number of Elements in List in R

Apr 25, 2024
R-PROGRAMMING

To count the number of elements in list in R, you can use length() function or length() function. The length()...

1 min Read

How to Count Number of Occurrences in Columns in R

Apr 25, 2024
R-PROGRAMMING

To count number of occurences in columns of data frame in R, you can use table() function or count() function...

2 min Read

How to Count Number of Rows in R

Apr 25, 2024
R-PROGRAMMING

To count number of rows in R data frame, you can use nrow() function. The following method shows how you...

1 min Read

How to Create the Identity Matrix in R

Apr 25, 2024
R-PROGRAMMING

To create identity matrix in R, you can use diag() function. The following method shows how you can do it...

1 min Read

How to Manually Enter Raw Data in R

Apr 25, 2024
R-PROGRAMMING

In R, you can manually enter raw data in using c() function to create vectors. The following methods shows how...

2 min Read