R Error in List – attempt to select less than one element (2 Examples)

example_list <- list(c("ggg", "a", "y"),    # Example list in R
                     "Z",
                     10:5,
                     letters[1:4])
example_list                                # Display example list in RStudio console
# [[1]]
# [1] "ggg" "a"   "y"  
# 
# [[2]]
# [1] "Z"
# 
# [[3]]
# [1] 10  9  8  7  6  5
# 
# [[4]]
# [1] "a" "b" "c" "d"

example_list <- list(c("ggg", "a", "y"), # Example list in R "Z", 10:5, letters[1:4]) example_list # Display example list in RStudio console # [[1]] # [1] "ggg" "a" "y" # # [[2]] # [1] "Z" # # [[3]] # [1] 10 9 8 7 6 5 # # [[4]] # [1] "a" "b" "c" "d"

example_list[[0]]                           # Selecting the 0th element
# Error in example_list[[0]] : 
#   attempt to select less than one element in get1index <real>

example_list[[0]] # Selecting the 0th element # Error in example_list[[0]] : # attempt to select less than one element in get1index <real>

example_list[[1]]                           # Selecting the 1st element
# [1] "ggg" "a"   "y"

example_list[[1]] # Selecting the 1st element # [1] "ggg" "a" "y"