Without i band: SURVEY count nmad nmad_zmag<21 outlier (%) outlier_zmag<21 (%) ------------ ------ ----- ------------ ----------- ------------------- 2dFLenS 35734 0.013 0.013 1.4 1.2 AGES 14571 0.024 0.023 3.9 3.0 BOSS 968615 0.014 0.014 1.0 0.9 C3R2 3052 0.093 0.027 32.8 6.7 COSMOS2015 69088 0.059 0.030 18.7 5.4 DEEP2 21183 0.064 0.027 19.0 3.5 DESI-SV1-BGS 53993 0.021 0.021 1.9 1.9 DESI-SV1-ELG 36287 0.092 0.040 32.9 13.2 DESI-SV1-LRG 21857 0.028 0.025 3.0 2.5 DESI-SV1-QSO 15406 0.103 0.081 36.3 26.6 DESI-SV3-BGS 143538 0.019 0.019 1.3 1.3 DESI-SV3-LRG 67740 0.024 0.023 1.7 1.5 DESI-SV3-QSO 17620 0.090 0.077 31.9 25.7 GAMA 127386 0.017 0.017 1.2 1.1 OzDES 13001 0.021 0.018 5.0 2.4 SDSS 563556 0.010 0.010 0.5 0.4 SDSS-QSO 374345 0.076 0.072 25.5 23.3 VIPERS 47940 0.030 0.022 4.6 1.7 VVDS 6717 0.047 0.028 17.2 5.2 WiggleZ 145867 0.051 0.036 17.8 9.8 eBOSS-ELG 184056 0.033 0.030 4.7 3.2 eBOSS-LRG 107828 0.020 0.020 0.5 0.4 With i band: SURVEY count nmad nmad_zmag<21 outlier (%) outlier_zmag<21 (%) ------------ ------ ----- ------------ ----------- ------------------- 2dFLenS 34132 0.011 0.011 1.3 1.1 BOSS 546359 0.012 0.012 0.8 0.7 C3R2 3052 0.060 0.020 24.4 6.7 COSMOS2015 69088 0.037 0.023 12.7 3.9 DEEP2 16114 0.035 0.018 8.8 2.3 DESI-SV1-BGS 28167 0.018 0.018 1.4 1.4 DESI-SV1-ELG 16116 0.058 0.031 22.3 12.0 DESI-SV1-LRG 7634 0.020 0.018 2.2 2.0 DESI-SV1-QSO 4637 0.088 0.066 33.3 23.2 DESI-SV3-BGS 117200 0.015 0.015 0.9 0.9 DESI-SV3-LRG 55244 0.017 0.017 1.2 1.1 DESI-SV3-QSO 14326 0.079 0.068 28.8 23.1 GAMA 116905 0.015 0.015 0.9 0.8 OzDES 13001 0.017 0.015 3.6 1.9 SDSS 402457 0.010 0.010 0.5 0.4 SDSS-QSO 195030 0.065 0.061 21.4 19.2 VIPERS 46744 0.023 0.018 2.6 1.2 VVDS 6706 0.033 0.022 11.3 3.8 WiggleZ 137036 0.034 0.027 12.0 7.1 eBOSS-ELG 171148 0.025 0.023 2.9 2.0 eBOSS-LRG 46651 0.015 0.015 0.4 0.3 Comparing the performance of without-i-band and with-i-band photo-z's (in parentheses) for objects that have valid photo-z's in both: SURVEY count nmad nmad_zmag<21 outlier (%) outlier_zmag<21 (%) ------------ ------ ------------- ------------- ----------- ------------------- 2dFLenS 34132 0.013 (0.011) 0.013 (0.011) 1.4 ( 1.3) 1.2 (1.1) BOSS 546359 0.014 (0.012) 0.014 (0.012) 0.9 ( 0.8) 0.8 (0.7) C3R2 3052 0.093 (0.060) 0.027 (0.020) 32.8 (24.4) 6.7 (6.7) COSMOS2015 69088 0.059 (0.037) 0.030 (0.023) 18.7 (12.7) 5.4 (3.9) DEEP2 16114 0.060 (0.035) 0.025 (0.018) 16.8 ( 8.8) 3.3 (2.3) DESI-SV1-BGS 28167 0.021 (0.018) 0.021 (0.018) 1.8 ( 1.4) 1.8 (1.4) DESI-SV1-ELG 16116 0.085 (0.058) 0.039 (0.031) 30.4 (22.3) 13.8 (12.0) DESI-SV1-LRG 7634 0.027 (0.020) 0.023 (0.018) 2.7 ( 2.2) 2.4 (2.0) DESI-SV1-QSO 4637 0.104 (0.088) 0.080 (0.066) 36.2 (33.3) 25.7 (23.2) DESI-SV3-BGS 117200 0.019 (0.015) 0.019 (0.015) 1.3 ( 0.9) 1.3 (0.9) DESI-SV3-LRG 55244 0.023 (0.017) 0.022 (0.017) 1.7 ( 1.2) 1.5 (1.1) DESI-SV3-QSO 14326 0.090 (0.079) 0.078 (0.068) 31.6 (28.8) 25.6 (23.1) GAMA 116905 0.017 (0.015) 0.017 (0.015) 1.2 ( 0.9) 1.1 (0.8) OzDES 13001 0.021 (0.017) 0.018 (0.015) 5.0 ( 3.6) 2.4 (1.9) SDSS 402457 0.011 (0.010) 0.011 (0.010) 0.5 ( 0.5) 0.4 (0.4) SDSS-QSO 195030 0.075 (0.065) 0.071 (0.061) 25.0 (21.4) 22.4 (19.2) VIPERS 46744 0.030 (0.023) 0.022 (0.018) 4.6 ( 2.6) 1.7 (1.2) VVDS 6706 0.047 (0.033) 0.028 (0.022) 17.2 (11.3) 5.2 (3.8) WiggleZ 137036 0.051 (0.034) 0.036 (0.027) 17.7 (12.0) 9.7 (7.1) eBOSS-ELG 171148 0.033 (0.025) 0.030 (0.023) 4.7 ( 2.9) 3.2 (2.0) eBOSS-LRG 46651 0.019 (0.015) 0.019 (0.015) 0.4 ( 0.4) 0.3 (0.3)