Tell me more ×
Cross Validated is a question and answer site for statisticians, data analysts, data miners and data visualization experts. It's 100% free, no registration required.
up vote 0 down vote favorite

The US government tracks prices of certain items:

ftp://ftp.bls.gov/pub/time.series/ap/ap.item

The USDA lists nutrition data for several items:

http://ndb.nal.usda.gov/ndb/foods/list

There isn't a 1-to-1 correspondance between these lists, but has anyone made an effort to join these tables/databases to answer questions like:

http://www.quora.com/What-food-has-the-lowest-cost-per-calorie

Googling was unhelpful, so I thought I'd ask here.

My own meager (incomplete + inaccurate) attempt so far:

https://github.com/barrycarter/bcapps/blob/master/USDA/cpi2usda.txt

share|improve this question

closed as not a real question by Peter Flom, gung, Andy W, mbq♦ Oct 22 '12 at 12:46

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.

Browse other questions tagged or ask your own question.