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State whether the following is true or false.
A heat map produced by kernel density estimation shows the actual measured density at each point.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: C

It shows a smoothed estimate whose appearance depends on the chosen bandwidth. A wide bandwidth spreads activity into a broad glow and a narrow one breaks it into separate peaks, from the same points, so the parameter must be reported.

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