Exploring the latest Pantheon SN Ia dataset by using three kinds of statistics techniques
Shuang Wang,Xiaolin Luo
Table 1. The FoM and CL of w for the JLA and Pantheon datasets.
ParametersMSFSIFS
1σ CL of wJLA(−1.485, −0.311)(−1.965, −0.513)(−1.426, −0.457)
1σ CL of wPantheon(−1.407, −0.761)(−1.460, −0.634)(−0.965, −0.547)
Decrease of the 1σ error bar45%43%56%

2σ CL of wJLA(−1.903, −0.218)(−2.667, −0.459)(−1.878, −0.426)
2σ CL of wPantheon(−1.666, −0.615)(−1.769, −0.604)(−1.206, −0.520)
Decrease of 2σ error bar38%47%53%

FoM of JLA34.261.2109.8
FoM of Pantheon161.8139.2278.3
Increase of FoM373%127%153%