Recognition of Discontinuous Two Same Values in Excel Table Data

1. Data introduction.

In column A, 1, 2, 4, 6, 7, 8 are consecutive two identical values, that is, in the context, there are and only two consecutive numbers are the same; 3, 5, 9 are non-contiguous two identical values, among which 3, 9 is a continuous same value, 5 is a continuous three same value.

2. Enter the function and perform the calculation.

Enter the function into cell B3 as follows, and recognize that consecutive two equal values ​​are 0, and non-consecutive two equal values ​​are 1.

=IF(OR(AND(A2=A3,A3=A4),AND(A2<>A3,A3<>A4)),1,0)

3. Double-click the cell, the result is as follows.

Successfully recognize that consecutive two identical values ​​1, 2, 4, 6, 7, and 8 are 0; non-consecutive two identical values ​​3, 5, and 9 are 1.