Data Cleaning and Quality Assurance Tutorials

How to Save and Load RDA Files in R

Apr 26, 2024
R-PROGRAMMING

To save and load RDA files in R, yo can use save() and load() functions respectively. The following methods show...

1 min Read

How to Unload a Package in R

Apr 26, 2024
R-PROGRAMMING

To unload the package in R, you can use unloadNamespace() function. The following method shows how you can do it...

1 min Read

How to Use rcorr in R to Create a Correlation Matrix

Apr 26, 2024
R-PROGRAMMING

The rcorr() function from Hmisc package is used to create correlation matrix in R. The following method shows how you...

1 min Read

Check the Data Type of Each Data Frame Column in R

Apr 25, 2024
R-PROGRAMMING

To check data type of each column of data frame, you can use class function or str() function. You can...

2 min Read

How to Check if a Directory Exists in R

Apr 25, 2024
R-PROGRAMMING

You can check if directory exists or not using dir.exist() function in R. This function takes directory path and return...

1 min Read

How to Check if a Package is Installed in R

Apr 25, 2024
R-PROGRAMMING

To check if package is installed in R, you can use the installed.packages(). The following method shows how you can...

1 min Read

How to Check if File Exists in R

Apr 25, 2024
R-PROGRAMMING

To check if file exists or not, you can use file.exists() function in R. The following method shows how you...

1 min Read

How to Perform Data Cleaning in R

Apr 23, 2024
R-PROGRAMMING

If your dataset has missing values, you can handle them by either removing or replacing them using different methods in...

3 min Read