From here, one can use F-statistics or other methods to determine the relevance of the individual factors.
fɹʌm hˈɪɹ, wˈʌn kæn jˈuːz ˈɛfstɐtˈɪstɪks ɔːɹ ˈʌðɚ mˈɛθədz tə dɪtˈɜːmɪn ðə ɹˈɛlᵻvəns ʌvðɪ ˌɪndᵻvˈɪdʒuːəl fˈæktɚz.