Explain the choice of the smoother lengths

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Reference no: EM13930292

For quarterly data, an early step in seasonal adjustment often involves applying a moving average smoother of length 4 followed by a moving average of length 2.

(a) Explain the choice of the smoother lengths in about two sentences.

(b) Write the whole smoothing operation as a single weighted moving average by finding the appropriate weights.

Reference no: EM13930292

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