Usage of local variables

Question

Problem:

How to define local variables within a scope in a r-code.

Example:

In C++ the following example defines a

Answer 1

You can create a new environment where your variable can be defined; this is how the local scope within a function is defined.

You can read more about this here

check the help for environment as well i.e. type in your R console ?environment

Answer 2

Use local. Using your example:

local({ 
     V1 = c(1,2,3);
     V2 = c(1,2,3);
     P = inner_product(V1, V2);
     print(P);
})
# the variable V1, V2, P are undefined here!