How to Use the $ Operator in R (2 Examples) | Access & Extract Data Frame Column & Element of List
How to use the $ operator in the R programming language. More details: https://statisticsglobe.com/meaning-o...
R code of this video:
data ＜- data.frame(x1 = 1:5, # Create example data
x2 = letters[1:5],
x3 = 9)
data # Print example data
data$x2 # Extract column of data
my_list ＜- list(A = 1:5, # Create example list
B = letters[1:5],
C = 9)
my_list # Print example list
my_list$B # Extract element of list
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