jared
81fd1a5279
Owner ruling R1. Combining Census Total across governments counts intergovernmental transfers twice, and these results land in Tableau where a warning would be invisible -- so this is a hard error whose message names the fix and the reason.
62 lines
2.5 KiB
R
62 lines
2.5 KiB
R
% Generated by roxygen2: do not edit by hand
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% Please edit documentation in R/rollup.R
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\name{cog_geographic_rollup}
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\alias{cog_geographic_rollup}
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\title{Aggregate spending across state/county/city layers for a place}
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\usage{
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cog_geographic_rollup(
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govids,
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category,
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years,
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per_capita = FALSE,
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adjust_to_year = NULL,
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expenditure_concept = c("direct", "total")
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)
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}
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\arguments{
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\item{govids}{Named list with any non-empty subset of elements named
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`state`, `county`, `city`. Each element is a character vector of
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`canonical_govid` values. At least one layer required.}
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\item{category}{Single category name or character vector (passed through
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to [cog_spending()]).}
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\item{years}{Integer vector of years.}
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\item{per_capita}{If `TRUE`, per-capita uses each gov's own per-year
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population from `gov_population_yearly`. Govs with missing population
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are excluded from the result.}
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\item{adjust_to_year}{Integer base year for CPI-U conversion, or `NULL`.}
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\item{expenditure_concept}{`"direct"` (default) or `"total"`. Currently only
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`"direct"` is accepted; the `"total"` option exists in [cog_spending()] for
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single-government queries but cannot be used here because combining Total
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across multiple layers of government double-counts intergovernmental
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transfers (a state's payment to a school district is the same dollar the
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district reports as its own Direct spending).}
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}
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\value{
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Tibble with columns `year`, `layer`, `canonical_govid`, `gov_name`,
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`spend_subtype`, `category`, `amt_nominal`, optional `amt_real` /
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`amt_per_capita_nominal` / `amt_per_capita_real`, optional `pop_source`,
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`codes_included`, `aggregate_fallback`, `scope_note`, `notes`. Carries a
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`provenance` attribute with `verb = "cog_geographic_rollup"`, `layers`,
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and `rollup$included_govids` / `rollup$excluded_govids`.
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}
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\description{
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Wraps [cog_spending()], tags each row with its layer, and attaches a
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human-readable `scope_note` documenting geographic-scope caveats (e.g.
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"county totals include areas outside the listed city"). Useful for
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"place portraits" that compare a city to the surrounding county and
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containing state on one set of axes.
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}
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\details{
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When `per_capita = TRUE`, rows whose government has no observed
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population in that year (`pop_source == "unavailable"`) are dropped from
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the result. The dropped govids are recorded in
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`provenance$rollup$excluded_govids`. This excludes special districts
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(gov type 4) and school districts (gov type 5) from per-capita rollups
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by design — see `vignette('population-denominators')`.
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}
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