hw2-s08 (178)

hw2-s08 (178) - Ec 178 ECONOMIC & BUS FORECASTING Foster,...

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Ec 178 – ECONOMIC & BUS FORECASTING Name: __________________________ Foster, UCSD, Due Wednesday, 21 MAY 08 1 ID: __________________________ HW #2 – SEASONALITY & ACCURACY Put answers in space provided. Point values of questions in [boldface] . Homework points will be adjusted to make them comparable to exam points at the end of the term. The Problem Let y t = quarterly national income for an agrarian nation. Table 1 shows data from 2001:1 to 2008:1 (t = 1…29). The ex ante forecast period will be from 2008:2 to 2008:4 (t = 30 – 32). Doing the Assignment In the instructions below: = left mouse click;  = double-click; = right-click Boldface = commands you type Italics = my notes on what happens next c = things you have to record or attach for this assignment. NOTE – MAKE ALL ATTACHMENTS WITH A STAPLE! [−5] A. Entering, Formatting, Plotting and Smoothing Data Open S TATA . Execute the following commands by typing them on the “Command” line: set obs 32 egen t=fill(1 2) Generates variable t = 1…30. egen q=fill(1 2 3 4 1 2 3 4) Generates variable q. list Data Editor Enter national income data from Table 1 in one column and the year in another. (Note that variables t and q are already entered.)  in each column to name the variables year and y . Preserve Close the editor box.
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This note was uploaded on 06/20/2008 for the course ECON 178 taught by Professor Foster during the Spring '08 term at UCSD.

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hw2-s08 (178) - Ec 178 ECONOMIC & BUS FORECASTING Foster,...

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