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# R uses <- for assignment (= also works but <- is idiomatic) x <- 42 name <- "Alice" is_valid <- TRUE # Print values to the console print(x) cat("Hello,", name, " ") # Basic arithmetic a <- 10 b <- 3 cat("Sum: ", a + b, " ") cat("Diff: ", a - b, " ") cat("Product: ", a * b, " ") cat("Quotient:", a / b, " ") cat("Integer div:", a %/% b, " ") cat("Modulo: ", a %% b, " ") cat("Power: ", a ^ b, " ") # Check data types class(x) # "numeric" class(name) # "character" class(is_valid) # "logical" typeof(x) # "double" # Accessing built-in help # ?mean # opens help page for mean() # help("lm") # opens help page for lm() # Simple sequence and basic stats nums <- 1:20 cat("Length:", length(nums), " ") cat("Mean: ", mean(nums), " ") cat("Sum: ", sum(nums), " ")
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