Answer

Create a calculated field to determine Julian years

1. Select Analysis > Create Calculated Field.
2. In the Calculated Field dialog box:
   • Name the calculated field. In the example workbook, the calculated field is named "Julian Year".
   • In the formula field, create a calculated field similar to the following:

     IF LEN(Julian JDE Date) = 6 AND LEFT([Julian JDE Date], 1) = '1' THEN '20' + MID([Julian JDE Date], 2, 2) ELSEIF LEN([Julian JDE Date]) = 5 THEN '19' + MID([Julian JDE Date], 1, 2) END

3. Click OK.

Create a date calculated field that adds the number of days from the JDE Julian Date to the Julian Year field

1. Select Analysis > Create Calculated Field.
2. In the Calculated Field dialog box:
   • Name the calculated field. In the example workbook, the calculated field is named "Julian Date - Tableau".
   • In the formula field, create a calculated field similar to the following:

     DATE(DATEADD('day', INT(RIGHT([Julian JDE Date], 3)), DATE('01/01/'+[Julian Year])))

3. Click OK.

Additional Information