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"pweights or sampling weights, are weights that denote the inverse of
the probability that the observation is included because of the
sampling design."

HTH,

Joao Lima


2010/4/15 Mónica Guadalupe Chávez Elorza <monick.elorza@gmail.com>:
> I am using Stata 11.0 to analyze the Current Population Survey.
> Specifically, weights on this survey are nonintegers, therefore when
> using frequency weigths - fw=marsupwt- sends the following message:
> may not use noninteger frequency weights.
>
> I came out with two options, but which should I used? and Why?
>
> 1. To use the importance weight -iw=marsupwt-, which allows the use of
> noninteger values, or
> 2. To generate a new weight, rounded to the nearest integer and that
> for those values that are negatives, values are set to zero.
>
> Any recommendations about the use of either option? Thanks!
> --
> Monica Guadalupe Chavez Elorza
> Doctorado en Politica Publica
> EGAP - ITESM
>
> Oficina +52 (81) 8625 8360
> Movil +52 (1) 811 414 7411
>
> Edificio EGAP 5to piso
> Av. Fundadores y Rufino Tamayo S/N
> San Pedro Garza Garcia, N.L., México.  CP 66269
>
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> *   http://www.ats.ucla.edu/stat/stata/
>



-- 
----------------------------------------
Joao Ricardo Lima, D.Sc.
Professor
UFPB-CCA-DCFS
Fone: +5538387264913
Skype: joao_ricardo_lima
----------------------------------------

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