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Table 4

Same classification metrics as in Table 3, but for galaxies with confident volunteer responses (i.e. one answer has a vote fraction above 0.8) corresponding to Fig. 8b.

Question Ntotal A P R F1 F1⋆$\[F_1^{\star}\]$
Smooth-or-featured 1963 0.995 0.995 0.993 0.994 0.995
Disc-edge-on 907 0.998 0.994 0.994 0.994 0.998
Has-spiral-arms 666 0.950 0.542 0.975 0.564 0.971
10 553 0.970 0.859 0.952 0.899 0.971
Bar 511 0.977 0.968 0.907 0.935 0.976
Bulge-size 85 0.976 0.905 0.991 0.940 0.978
How-rounded 5119 0.979 0.979 0.977 0.978 0.979
Bulge-shape 36 0.917 0.864 0.946 0.893 0.921
Spiral-winding 46 0.978 0.933 0.982 0.954 0.979
Spiral-arm-count 202 0.941 0.396 0.534 0.402 0.943
Clumpy-appearance 1307 0.970 0.967 0.959 0.963 0.970
Clump-count 64 0.828 0.540 0.513 0.525 0.868
Galaxy-symmetrical 115 0.974 0.986 0.850 0.905 0.972
Clumps-embedded 85 0.941 0.844 0.966 0.890 0.946

Notes. For ‘has-spiral-arms’, we also provide the metrics for finding spiral galaxies in the complete test set (printed in italics), corresponding to the confusion matrix in Fig. 9b.

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