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Table 1 A history record matrix example

From: Personalized fitting recommendation based on support vector regression

 

s1

s2

s3

s4

s5

u1

1

2

4

4

1

u2

 

3

3

 

 

u3

5

1

 

3

4

um

2

4

1

rm,n

5

um

2

 

3

5

2