Simulation - Hadley Wickham

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•

Why?

Increases the difficulty of change

May decrease clarity

Leads to opportunities for inconsistency

• http://en.wikipedia.org/wiki/Don't_repeat_yourself

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• • • Why? Increases the difficulty of change May decrease clarity Leads to opportunities for inconsistency • http://en.wikipedia.org/wiki/Don't_repeat_yourself

• Functions Let us avoid repetition functionname

Page 1 and 2: Simulation Hadley Wickham
Page 3 and 4: • • • • Basics of simulatio
Page 5 and 6: Generating random numbers • runif
Page 7 and 8: Repetition • Use the replicate fu
Page 9 and 10: What your code might have looked li
Page 11: Dry rule
Page 15 and 16: • • • Your turn Create a func
Page 17 and 18: Your turn • Figure out how to do
Page 19 and 20: • • Another exploration How doe
Page 21 and 22: New function • sapply • Takes f
Page 23: • • • • Your turn Look at t

Simulation - Hadley Wickham

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