Regressions HSIEH HW 3

Regressions HSIEH HW 3 - Regressions and Forecasting:...

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4 3 2 1 0 -1 -2 -3 -4 99.9 99 95 90 80 70 60 50 40 30 20 10 5 1 0.1 Standardized Residual Percent Normal Probability Plot (response is Price) 70 60 50 40 30 20 10 0 4 3 2 1 0 -1 -2 -3 Fitted Value Standardized Residual Versus Fits (response is Price) Regressions and Forecasting: Professor Hsieh Homework Assignment 3 a. The Normal Probability Plot shows that the standardized residual is normally distributed, as indicated by a high linear correlation. The Versus Fits graph shows that the residual is non- constant, and that it is independent and uncorrelated. b. 300 270 240 210 180 150 120 90 60 30 1 4 3 2 1 0 -1 -2 -3 Index SRES1 Time Series Plot of SRES1
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300 270 240 210 180 150 120 90 60 30 1 0.025 0.020 0.015 0.010 0.005 Index HI1 Time Series Plot of HI 1 Nello was the restaurant with the standardized residual of 4. It had a service score of 15 and a price of 60. When sorted by service, all of the other restaurants around it had a price in the range 20 – 45, with no significant differences in any category. Because the price is so much greater
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This note was uploaded on 08/27/2008 for the course ECON -0019 taught by Professor Hsieh during the Spring '08 term at NYU.

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Regressions HSIEH HW 3 - Regressions and Forecasting:...

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