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Copying Row values to other Column

Hello,

 

Kindly help me I'm stuck when putting a formula into other column.

Here is expected output if SerialNumber is not empty copy row to Column ChipID else copy the same SN.

dtraw << New Column("ChipID", Character, Formula(
For( i = 1, i <= N Rows(dtraw), i++,
 If( Is Missing( :SerialNumber),
  :ChipID[i] = (:SerialNumber[1] & i = 1),
  :SerialNumber
  )
 )
);

 

Data TableScriptingRe: Copying Row values to other Column

You can use Lag() function here.

 

Names Default To Here(1);

dt = New Table("Untitled 6",
 Add Rows(6),
 New Column("SerialNumber", Character, "Nominal", Set Values({"30_A0_0", "", "", "30_A0_01", "", ""}))
);
dt << New Column("ChipID", Character, Nominal, Formula(If(Is Missing(:SerialNumber), Lag(:ChipID), :SerialNumber)));