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Table 2:

Median, standard deviation, and number of data points for the distributions of the different groups and line ratios.

Group
$\log$([N II]$\lambda $6584/H$\alpha $) $\log$([S II] $\lambda \lambda $6717,6731/H$\alpha $) $\log$([O I]$\lambda $6300/H$\alpha $)
  Median Std Dev N Median Std Dev N Median Std Dev N
All -0.37 0.18 24 017 -0.49 0.16 12 564 -1.46 0.34 5733
Class 0 -0.37 0.18 10 605 -0.55 0.13 4932 -1.56 0.28 1953
Class 1 -0.38 0.17 6680 -0.49 0.18 3140 -1.43 0.33 1349
Class 2 -0.36 0.16 3992 -0.48 0.17 2628 -1.35 0.35 2023


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