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Count unchanged class attribute

Soe Xiyan 
Maybe someone can help me.
Suppose I have data-set like this:

  Netto   Bruto  class
1 10      1000    yes
2 100     20      yes


  Netto   Bruto  class
1 101     1000    yes
2 100     210     no


  Netto   Bruto  class
1 10      10      yes
2 12      28      yes
3 100     20      yes

  Netto   Bruto  class
1 120     200     no
2 400     20      yes


  Netto   Bruto  class
1 110     12000   yes
2 1100    120     yes
3 120     100     yes
4 1140    125     yes

How to calculate the number of classes has changed.
The expected result is
- class changed    2
- class unchanged  3


Thank you so much.
Soe Xiyan

Thread (7 messages)

Soe Xiyan Count unchanged class attribute May 19 Rolf Turner Count unchanged class attribute May 19 John Kane Count unchanged class attribute May 19 Bert Gunter Count unchanged class attribute May 19 John Kane Count unchanged class attribute May 19 Jim Lemon Count unchanged class attribute May 19 Soe Xiyan Count unchanged class attribute May 20