How can I use rdp classifier method when use pick_open_reference_otus.py

Question

[bioxujintian]

Hi, Everyone

I am new in use Qiime software to analysis 16S-sequencing data. When I use pick_open_reference_otus.py and want to use rdp classifier method to pick otus, but the default method is uclust, I don't know how to set the parameter.

Someone can help me? Thank you very much.