Remove Element from List in R (Example) | Delete & Drop Component | NULL Assignment & %in% Operator

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R code of this video:

my_list <- list(a = c(1, 4, 2, 7), # Create example list
b = 555,
c = "hello")
my_list # Print list to RStudio concole

my_list_1 <- my_list[- 2] # Remove list element with -
my_list_1 # Print updated list to concole

my_list_2 <- my_list # Replicate list
my_list_2[2] <- NULL # Remove list elements with NULL
my_list_2 # Print updated list to concole

my_list_3 <- my_list[names(my_list) %in% "b" == FALSE] # Remove list elements %in%
my_list_3 # Print updated list to concole

my_list_4 <- my_list[names(my_list) != "b"] # Remove list element with !=
my_list_4 # Print updated list to concole

my_list_5 <- my_list[- c(2, 3)] # Remove multiple list elements
my_list_5 # Print updated list to concole

my_list_6 <- my_list # Replicate list
my_list_6[c(2, 3)] <- NULL # Remove multiple list elements
my_list_6 # Print updated list to concole

my_list_7 <- my_list[names(my_list) %in% c("b", "c") == FALSE] # Remove multiple elements
my_list_7 # Print updated list to concole

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You have answers for plenty of my problems! Thank you so much! :D

karolswierczynski
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This is awesome, can we do it for timeseries object to extract interval as data frame or converting list to dataframe

siriyakcr
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