So what gives?
Does anyone have the data sets and the formulas used to calculate the CPI? No, I don't think so, because they are hidden.
Until the data used to calculate the CPI is open, it is all speculation.
Does anyone have the data sets and the formulas used to calculate the CPI? No, I don't think so, because they are hidden.
Until the data used to calculate the CPI is open, it is all speculation.
Be sure to refer to overview.txt and for more high-level details refer to https://www.bls.gov/cpi/data.htm and https://www.bls.gov/cpi/methods-overview.htm — you might also find relevant information on weighting here https://www.bls.gov/cpi/tables/relative-importance/home.htm
Typical entries in the AP (Average Price) series look like: APU0000701322 2015 M05 1.335
where APU0000701322 is a pound of spaghetti or macaroni, and M05 is May.
I thought of telling you off for spreading misinformation to incite, but I figured that saying it this would gets my point across more strongly.
That survey data is what is not open as far as I know: https://www.bls.gov/opub/hom/cpi/data.htm.