📊 R Programming
Q. How do you create a factor in R named color with levels "red", "green", and "blue"?
  • (A) factor(color, levels = c("red", "green", "blue"))
  • (B) factor(color, levels = "red", "green", "blue")
  • (C) factor(color = c("red", "green", "blue"))
  • (D) factor(color = c("red", "green", "blue"), levels = c("red", "green", "blue"))
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✅ Correct Answer: (D) factor(color = c("red", "green", "blue"), levels = c("red", "green", "blue"))

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