uBiome is offering the much needed service of telling us the make up of our microbiome. They provide friendly user interfaces to review the results. Despite beautiful charts and comparison tools one of the limitations of uBiome’s web services is that you cannot compare three or more samples at once. This is a bummer for biohackers who are regularly submitting samples and want to see their changes over months and years. uBiome has posted some python tools through github to allow users to go further. Special thanks to Richard Sprague for contributing to so many microbiome tools on GitHub and a Microbiome Hackers Guide.
In order to merge three or more ubiome results we will need to do the following five steps:
download uBiome JSON file results
install the uBiome python library
install csvkit
create a python script to merge the files
view the results on the command line
Download uBiome JSON file results:
Login to uBiome
Click on Advanced
Download Taxonomy JSON
repeat for each date results are available for
Install the ubiome python library:
$ pip install ubiome
Install CSVKIT:
$ pip install csvkit
$ cat ubiome-multi-merge.py
Create a python script to merge the files:
#!/usr/bin/env python
from ubiome import *
f1 = UbiomeSample(“2016-11-21”)
f2 = UbiomeSample(“2017-04-01”)
f3 = UbiomeSample(“2018-01-29”)
m = UbiomeMultiSample(f1)
m.merge(f2)
m.merge(f3)
m.write(“merged-files.csv”)
Run the merge script and view the results:
$ ./ubiome-multi-merge.py
$ csvsort -c 3 -r merged-files.csv | csvlook
Once you have a merged the CSV file you could of course use Google Sheets to view and sort the columns. My preference is for the command line so I use csvkit to compare my three years of microbiome results. The shifts I’ve seen over two years of testing are huge.
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