Heavy Drug Users in Curitiba

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Description

A respondent driven sample of heavy drug users in Curitiba.

Usage

1
data("brazil")

Format

A data frame with 303 observations on the following 8 variables.

MyUniID

Subject's ID.

NS1

Subject's self reported degree.

refCoupNum

Reference coupon no.

coup1

Supplied coupon.

coup2

Supplied coupon.

coup3

Supplied coupon.

interviewDt

Time of interview. See details.

interviewDt2

Deprecated.

Details

The format of the data is essentially that of the RDS file format as specified in page 7 in the RDS Analysis tool manual: http://www.respondentdrivensampling.org/reports/RDSAT_7.1-Manual_2012-11-25.pdf.

The RDS format has been augmented with the time of interview (interviewDt variable) required for the methodology in [1].

The interviewDt variable encodes the time of interview. For the purpose of calling estimate.b.k the scale and origin are imaterial. We thus use an arbitrary efficient encoding which might not adhere to the original scale.

For full details see the Source section.

Source

[1] Salganik, M.J., Fazito, D., Bertoni, N., Abdo, A.H., Mello, M.B., and Bastos, F.I. (2011). "Assessing Network Scale-up Estimates for Groups Most at Risk of HIV/AIDS: Evidence From a Multiple-Method Study of Heavy Drug Users in Curitiba, Brazil." American Journal of Epidemiology, 174(10): 1190-1196. http://dx.doi.org/10.1093/aje/kwr246

And http://opr.princeton.edu/archive/nsum/

References

[2] Berchenko, Yakir, Jonathan Rosenblatt, and Simon D. W. Frost. "Modeling and Analyzing Respondent Driven Sampling as a Counting Process."" arXiv:1304.3505, April 11, 2013. HTTP://arXiv.org/abs/1304.3505.

Examples

1
# see estimate.b.k()