Create ratio_location.yaml

[ar-ibrahim]

• issue Create new 'ratio' DOS-DP pattern template #272
• Rough (very) draft of 'ratio' pattern, including proposed name of pattern.
• To discuss in monthly OBA meeting (July 21st 2023)

[rays22]

We might want to change the name of the pattern, because it does not specify the location explicitly. The components attribute1 and attribute2 should specify and imply the location of the ratio-attribute defined here.

[ar-ibrahim]

@rays22 This is the suggested change to the name of the pattern, 'proportion_of_attributes', based on the PATO class 'proportionality_to'. I also created a tsv file for the pattern and generated a term as an example. I still think we may need to create an additional pattern where the variables are 'attribute1, attribute2, location'. This is to avoid creating a large number of new terms. For example if we want to create the ratio 'sputum sodium to sputum potassium ratio' we would need to create those two terms first. That would not be necessary if the variables include the location.

Changed name of pattern, as suggested.

[ar-ibrahim]

I have consulted @rays22 about the recurring QC warnings and as per my understanding this has been an outstanding issue that does not prevent merging the PR should the suggested changes be approved.