recent: Incidence Estimation Using Recency Assays

#' Example Assay Data
#'
#' @name assay_data
#' @docType data
#' @keywords data
#' @details
#'
#' 1. `recent`: Logical. Did the subject test recent on the assay.
#' 2. `hiv`: Logical. Is the subject HIV+.
#' 3. `undiagnosed`: Logical. Has the subject never received a positive HIV test.
#' 4. `elite_cntr`: Logical. Viral load test <1,000.
#' 5. `tslt`: Numeric. Time since last HIV test in months.
#' 6. `ever_hiv_test`: Logical. Has the subject never been tested for HIV.
#' 7. `weights`: Numeric. Survey Weights.
#' 8. `btwt001-btwt206`: Numeric. Jackknife replicate weights.
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