st: Can I use “iw” intead of “pw” in quantiles command?

[jayamini <jayamini1987@gmail.com>]

Hi Team,

I’m working with Household income and expenditure data. I want to find 5
quantiles of the per capita income. 
I’m using sampling weights.  Eg: Following table represent the example for
my weights. 
Sampling Unit	Weight
1	     41.42092
2	     224.9696
3	     211.7713
4	     131.9084
5	     160.3988
6	     475.2353
7	     217.6984

First I installed the user written command : ssc install quantiles

Then use following command for my data. 

quantiles ym[pw=s_weight], gen(ym_decile) n(5) k(hh_code)

ym – per capita income variable
ym_decile – new categorical variable
hh_code – Identifying code for each household 

But stata says “pw” not allowed for this command. But “iw” is allowed. So my
question is Can I use “iw” intead of “pw” here?

Thank You.
Jayamini – Institute of Policy Studies, Sri Lanka




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