- Original Line Counts : 321729
- Column 5 to 14 are 10 columns with 5 dimensions and 5 errors (distance 5d)
- Column 20 to 39 are 20 columns with 10 dimensions and 10 errors (distance 10d)
- Column 18 and 19 are classification information (as by person or by machine)
- Column 15 and 16 are two z values, denoted as z_vi and z_pipeline.
- Column 17 is the error measurement for z value.

Testing Environment:

- FutureGrid xRay for WDA-SMACOF
- Local Machine for PCA

Testing Steps:

- Randomize the data.
- Clean the data by removing errors that are smaller than 0. (total size is now 321719)
- Take first 100k.
- Calculate the distance 5d, error 5d, distance 10d and error 10d. The error is given as e(i, j) = sqrt(sum(error(i, k)^2 + error(j, k)^2)) where i and j are point i and point j, k is the dimension as from 1 to 5 or 1 to 10. And the weight can be calculated as: w(i, j) = 1 / e(i, j)^2
- Apply WDA-SMACOF on 5d and 10d data using with weighting.

- Person
- 1: QSO_BAL.
- 2: STAR
- 3: QSO
- 4: GALAXY
- 5: Unknown
- 6: QSO?
- 7: QSOz?
- 8: NotQuasar
- 9: NotInspected
- 10: STAR?
- Machine
- 1: QSO
- 2: STAR
- 3: GALAXY

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