Question: Use the data from Problem 15.15 to create a regression forecasting model using the first-differences data transformation. How do the results from this model differ

Use the data from Problem 15.15 to create a regression forecasting model using the first-differences data transformation. How do the results from this model differ from those obtained in Problem15.15?

Shelter Year Food 1994 1995 1996 1997 1998 1999 2000 2001 2002 Year 2003 2004 2005 2006 2007 2008 2009 2010 2011 Food 2.2 2.7 2.3 2.1 4.9 5.9 0.5 1.5 4.7 Shelter 2.4 2.8 3.3 2.6 2.2 2.1 2.3 3.2 1.8 3.1 3.2 3.2 3.1 3.3 2.9 3.3 3.7 3.7 2.4 2.7 2.6 4.2 3.1 1.9 0.3 0.4 1.9

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