Hi Sam,
Can you post a full code example and any error output you get?
The following works for me, for example:
···
Best,
Anubhav
Hi Prof. Jain,
I’m sorry for failing to follow up on this because I thought I deleted the post. I actually figured it out shortly after. What had happened was that I copied the syntax from the web page to a Jupyter cell but unfortunately it was not properly processed probably because of encoding.
Best,
Sam
···
On Tuesday, September 25, 2018 at 6:00:50 AM UTC+8, Anubhav Jain wrote:
Hi Sam,
Can you post a full code example and any error output you get?
The following works for me, for example:
==
from matminer.data_retrieval.retrieve_MP import MPDataRetrieval
mpdr = MPDataRetrieval()
df = mpdr.get_dataframe({“elements”:{"$in":[“Li”, “Na”, “K”], “$all”: [“O”]}, “nelements”:2}, properties=[“pretty_formula”, “structure”])
print(df)
==
On Tue, Sep 18, 2018 at 4:48 PM Jan Samuel Matuba [email protected] wrote:
Good day!
I was trying to follow the matminer data retrieval notebook to guide me for querying specified metal oxide groups. While the examples for Materials Project show Mongo syntax such as this:
{“band_gap”: {"$gt": 4.0}}
``
However, I wasn’t able to specify the elements using the following syntax which is an example from http://pymatgen.org/pymatgen.ext.matproj.html#pymatgen.ext.matproj.MPRester.query.
{“elements”:{“$in”:[“Li”, “Na”, “K”], “$all”: [“O”]}, “nelements”:2}
``
How can I query with specified elements? Also, a guide on how to do advanced query options would be appreciated.
Regards,
Sam
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Best,
Anubhav