[R] Use R for data aggregation

Jeff Newmiller jdnewmil at dcn.davis.CA.us
Fri Jul 12 09:41:24 CEST 2013

This is off-topic here... you are looking for statistical advice, if not problem-domain-specific help. Please read the Posting Guide.
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Sent from my phone. Please excuse my brevity.

nntx <sheldon.qiu at okstate.edu> wrote:

>I have a set of evaluation variables (n) for each sample (sample size
>large enough) and I am trying to use R (nnet package) to aggregate the
>However, I don't know the weight for each variable (I am sure the
>shouldn't be equally assigned). Specifically, I have 12 indices (CO2,
>TSP...) for 100 cities and I want to calculate weight for each and
>obtain a comprehensive index and rankings for the cities. 
>Could anyone give me an idea how can I realize this? Thank you very
>View this message in context:
>Sent from the R help mailing list archive at Nabble.com.
>R-help at r-project.org mailing list
>PLEASE do read the posting guide
>and provide commented, minimal, self-contained, reproducible code.

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