For Q2, please see this post.
There are a lot of tutorials, publications and training courses. You can start with Using MetaboAnalyst 4.0 for Comprehensive and Integrative Metabolomics Data Analysis
For Q2, please see this post.
There are a lot of tutorials, publications and training courses. You can start with Using MetaboAnalyst 4.0 for Comprehensive and Integrative Metabolomics Data Analysis