How to find variables in R with pattern in the current session?
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How to find variables in R with pattern in the current session?

How to find variables in R with pattern in the current session?

This recipe helps you find variables in R with pattern in the current session

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Recipe Objective

How to find variables in R with a pattern in the current session? A variable is a reserved memory space used to store a value.Variable stores a vector or group of vectors in it. The variables must start with a letter or underscore or a dot. To find all the variables currently available in an R session, we use the ls () function. The ls () function uses patterns to match the variable names of a vector. This recipe illustrates an example of finding a variable in R with patterns.

Step 1- To find variables in R

To find all variables available with pattern in the current session of R script file , ls() function is used.

print(ls())
"Output of the code is : "a"    "var"  "var1" 
print(ls(pattern='var'))
"Output of the code is :"var"  "var1" 

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