About importing files of qc_mock_observed and qc_mock_expected

[Nicholas_Bokulich]

Hi @Jia,
You have the wrong type again. You want FeatureTable[RelativeFrequency], but ONLY after you have converted to biom-table format. See the final section of this tutorial for a very similar example:

Fungal ITS analysis tutorial

Fungal ITS analysis, mock communities, and more fun NOTE: This tutorial was written in a QIIME 2 2018.11 environment. It is not guaranteed to work with earlier or later versions of QIIME 2. This tutorial was compiled as a working exercise for a QIIME 2 workshop in December 2018, and does not represent the only possible fungal ITS workflow with QIIME 2, or even a benchmarked protocol recommendation. See other tutorials, e.g., the q2-itsxpress tutorial for other fungal ITS analysis options in QII…