Open Access

Table 2

Summary of the training datasets categorized by [Fe/H] intervals.

Interval APOGEE GALAH LAMOST
[Fe/H] > 0 7755 11 528 1200
0 > [Fe/H] > −0.5 10 514 26 072 5309
−0.5 > [Fe/H] > −1 2651 5189 2479
−1 > [Fe/H] > −2 591 882 244
−2 > [Fe/H] > −3 66 121 9
[Fe/H] < −3 14 34 4

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