Depending on how large a data set you are handling, R can take up large swaths of your RAM and slow down other processes. It is therefore a good idea to remove unused variables.
ls() # Gives the list of variables/arrays currently in use.
rm(list=ls()) # Removes all the variables and frees up memory.
Useful links:
http://www.matthewckeller.com/html/memory.html
ls() # Gives the list of variables/arrays currently in use.
rm(list=ls()) # Removes all the variables and frees up memory.
Useful links:
http://www.matthewckeller.com/html/memory.html
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