hello , I also want to ask some question about the classifier ,I have a batch data from the V1-2 target ,but I use the data from 515F/806R is wrong ,
I don't know how to slove the question .
the last I use this to do taxa for my data
qiime feature-classifier classify-consensus-blast
--i-query rep-seqs.qza
--i-reference-reads 99_otus.qza
--i-reference-taxonomy ref-taxonomy.qza
--p-maxaccepts 2
--o-classification taxonomy-blast-greengenes13-8.qza
the 99_otus.qzas from the gg and the ref-taxonomy.qza from the gg .but I find the taxa need very long and long time ,So, I hope you can tell me how to train my data about myself primers .thanks you very much ,I need youe help .