58 lines
1.7 KiB
R
58 lines
1.7 KiB
R
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# 1. Creating a simple list with mixed types
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simple_list <- list(name="John", age=25, scores=c(88, 92, 85))
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print("Simple List:")
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print(simple_list)
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# 2. Creating a list using the list() function with named elements
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named_list <- list(firstName="Alice", lastName="Smith", details=list(age=30, profession="Data Scientist"))
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print("Named List with Nested List:")
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print(named_list)
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# 3. Creating a list from vectors
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vector1 <- 1:5
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vector2 <- seq(10, 50, by=10)
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vector_list <- list(vector1, vector2)
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print("List from Vectors:")
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print(vector_list)
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# 4. Modifying a list by adding an element
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simple_list$gender <- "male" # Adding a new element
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print("Modified List (Added Element):")
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print(simple_list)
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# 5. Modifying a list by removing an element
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simple_list$scores <- NULL # Removing an element
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print("Modified List (Removed Element):")
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print(simple_list)
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# 6. Accessing elements in a list
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# Access by element name
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print("Accessed Element (Name):")
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print(named_list$firstName)
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# Access by index
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print("Accessed Element (Index):")
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print(named_list[[2]])
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# 7. Concatenating lists
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concatenated_list <- c(simple_list, named_list)
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print("Concatenated List:")
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print(concatenated_list)
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# 8. Using lapply to apply a function to each element of a list
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# Here we use the length function to find the length of each element
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lengths <- lapply(vector_list, length)
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print("Lengths of List Elements:")
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print(lengths)
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# 9. Creating a list with repeated elements using rep()
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repeated_list <- list(rep(list(x = 1:3), 3))
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print("List with Repeated Elements:")
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print(repeated_list)
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# 10. Nested lists
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nested_list <- list(
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sub_list1 = list(item1 = 1, item2 = 2),
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sub_list2 = list(item1 = "a", item2 = "b")
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)
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print("Nested List:")
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print(nested_list)
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