📊 R Programming
Q. In lm(response ~ terms), terms specification of the form "first*second" is same as . . . . . . . .
  • (A) first+second
  • (B) first:second
  • (C) first+second+first:second
  • (D) first:second+second:first
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✅ Correct Answer: (C) first+second+first:second

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