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0
votes
0answers
4 views

finding critical categories within index

There exists network readiness index (NRI). 10 categories forms this index. Each category has subindicators. NRI index is measure four more than 100 countries. My goal is to identify critical ...
2
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2answers
80 views

Derivation of the Simpson index

I'm interested in the derivation of the Simpson diversity index. I found the normal interpretation of this index, but I'm not able to see what's the "mathematical background" of the formula. I read ...
1
vote
1answer
208 views

How to create an index with only categorical variables (dichotomous, nominal and ordinal) only?

I am currently conducting a study about the involvement of male in family planning. It is of interest to create an index for the involvement of male in FP. My variables were only categorical variables ...
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0answers
16 views

What is the accepted concept behind measuring the contribution of subindexes to aggregate level indexes?

I am trying to find an additive decomposition of a Tornqvist index - to measure the contribution of individual industries to sector-level productivity indexes - and I can find formulae for this, but ...
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3answers
64 views

Can I simply subtract an index from another?

I am currently using a measure of the price level (CPI) from which I would like to remove the effects of food prices (also an index). Notice that food prices are included in the CPI (so that CPI is ...
0
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1answer
387 views

How to create indexes from “open” variables

I am running an impact evaluation to investigate the impact of a specific program on several indicators x. These indicators have values between 0 and up to 10000, and a high standard deviation. For ...
2
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0answers
61 views

Creating an index that measures how accurate economsits are at predicting the US economy

I am interested in building an index that tracks how accurate economists are at predicting several US economic statistics: US Jobless claims number: comes out weekly, ranges from 100k to 400k, ...
0
votes
1answer
385 views

using stl (seasonal decomposition with loess) for weekly data

I am trying to decompose a weekly time series using the R function 'stl'. One of the important argument of this function is the number of data per cycle. Naturally in this case one would choose 52. ...
3
votes
1answer
60 views

Is there a data decay method that decays data based on how much new data it receives?

So here's the situation: There are n balls. Each ball has been voted on a scale of 1-N by an arbitrary number of people. Every day (or every week, or more), some/most/all of the previous voters and ...
1
vote
1answer
82 views

Disagregating overall growth into contributing factors

I have a dataset with library document holdings per publicationyear, which I can query for the frequency of terms, subjects, etc. That allows me to construct times-series of the "popularity" of ...
3
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2answers
1k views

Introduction to index decomposition analysis

Could you recommend an introductory reference to index decomposition analysis, including different methods (e.g. methods linked to the Laspeyre index and methods linked to the Divisa index) ...