st: How to weight two combined survey data sets that each have theirown particular strata weights?

[Richard Tardanico <tardanic@fiu.edu>]

Greetings,

As part of a project on issues of social inequality and basic services 
in Latin American cities, a household survey was carried out in two 
cities (N1=1200 households, N2=1426 households).  Each sample was 
stratified according to the particular socioeconomic composition of its 
city (i.e. according to census-estimated proportions of "lower," "lower 
middle," "middle," and "upper middle" households in each city's 
population).  I want to analyze the combined data.  While of course I 
need to weight the combined data set to compensate for the unequal sizes 
of N1 and N2, how do I weight the combined data in view of the fact that 
each sample has its own particular stratification weights?

Thanks,
Rick
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/