!wget http://qiime.org/home_static/nih-cloud-apr2012/tree_metadata.txt
!filter_distance_matrix.py -i /home/ubuntu/data/distance_matrix_complete.txt -o /home/ubuntu/data/distance_matrix_complete_v3_v4_only.txt -m tree_metadata.txt -s "starting_v_region:v3,v4,full.length"

!principal_coordinates.py -i /home/ubuntu/data/distance_matrix_complete_v3_v4_only.txt -o /home/ubuntu/data/pc_complete_v3_v4_only.txt

!make_3d_plots.py -i /home/ubuntu/data/pc_complete_v3_v4_only.txt -o /home/ubuntu/data/pcoa_plots_complete_v3_v4_only/ -m tree_metadata.txt