R FAQs: Saving and Loading R workspace

Question: Can I save my work in R Language?
Answer: R language facilitates to save ones R work.

Question: How to save work done in R?
Answer: All of the objects and functions that are created (you R workspace) can be saved in a file .RData by using the save() function or the save.image() function. It is important that when saving R work in a file, remember to include the .RData extension.

> save(file=”d:/filename.RData”)
> save.image(“d:/filename.RData”)

Question: Is there alternative to save workspace in R?
Answer: Yes! You can also save work space using file menu. For this, click File menu and then click save workspace. You will see the dialog box, browse to the folder where you want to save the file and provide the file name of your own choice.

Question: How one can access the saved work, while work is saved using save.image() function?
Answer: The load() function can be used to load a .RData file.

> load (“d:/filename.RData”)

Question: Is there any other alternative to load workspace in R?
Answer: The .RData files can be accessed through the file menu. To access file click File and then load workspace. A dialog box will appear, browse to the folder where you saved the .RData file and click open.

Question: How do one can save all the commands that are used in an R session?
Answer: Saving R commands used in an R session means you want to save history of your R session in an .Rhistory file by using the history() function. It is important to include the .Rhistory extension when saving the file at different path.

> history(“d:/filename.Rhistory”)

Question: Can commands in R session be saved through File menu?
Answer: Yes command in R session be saved through file menu. For this click File and then save history. A dialog box will appear, browse to the folder where you want to save the file (that will contain R commands in a session) and provide the file name of your own choice.

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