Arima_by_county: county-level model

In vjcitn/sars2app: COVID-19 data resources and analysis tools cut down for an interactive app

Description

county-level model

Usage

Arima_by_county(
  src,
  state.in = "Massachusetts",
  county.in = "Norfolk",
  MAorder = NULL,
  Difforder = 1,
  basedate = "2020-02-15",
  lookback_days = 29,
  ARorder = NULL,
  max_date = NULL
)

Arguments

src	a tibble as returned by nytimes_state_data() or jhu_us_data()
state.in	character(1) state name
county.in	character(1) state name
MAorder	numeric(1) order of moving average component, defaults to NULL in which case min_bic is used to find best value on grid (0:5)^2
Difforder	numeric(1) order of differencing d in ARIMA(p,d,q)
basedate	character(1) used by lubridate::as_date to filter away all earlier records
lookback_days	numeric(1) only uses this many days from most recent in src
ARorder	order of autoregressive component, defaults to NULL for optimizing choice, see MAorder
max_date	a date from which to start lookback ... defaults to NULL in which case the latest available date is used

Value

instance of S3 class Arima_sars2pack

Examples

nytc = nytimes_county_data()
Arima_by_county(nytc)

vjcitn/sars2app documentation built on Jan. 3, 2022, 12:19 a.m.