Sales Growth Rate Forecasting Using Improved PSO and SVM

Table 2

Classification results of the sample data.

Quarter of a year	Original type	Forecast type
2008(Q1)	I	I
2008(Q2)	I	II
2008(Q3)	III	III
2008(Q4)	II	II
2009(Q1)	I	I
2009(Q2)	I	I
2009(Q3)	III	III
2009(Q4)	II	II
2010(Q1)	I	I
2010(Q2)	II	II
2010(Q3)	III	III
2010(Q4)	II	II
2011(Q1)	I	I
2011(Q2)	II	II
2011(Q3)	III	III
2011(Q4)	II	II
2012(Q1)	I	I
2012(Q2)	II	II
2012(Q3)	III	III
2012(Q4)	II	I