working on this now -- i just called it successfully with:
```core_diversity_analyses.py -i /Users/wdwvt1/Desktop/work/ccfa/cd_bt.biom -o ~/Desktop/tcda -m /Users/wdwvt1/Desktop/work/ccfa/cpmf.txt -e 100 -c gastric_involvement  --suppress_taxa_summary --suppress_beta_diversity --suppress_alpha_diversity -p ~/Desktop/p.txt```