Arima_nation: Use Rob Hyndman's forecast package to estimate drift in ARIMA...

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

Description

Use Rob Hyndman's forecast package to estimate drift in ARIMA models

Usage

Arima_nation(
  ejhu,
  alp3 = "USA",
  MAorder = NULL,
  Difforder = 1,
  basedate = "2020-02-15",
  lookback_days = 29,
  ARorder = NULL,
  max_date = NULL
)

Arguments

ejhu	a tibble as returned by enriched_jhu_data()
alp3	character(1) alpha3Code value for country
MAorder	numeric(1) order of moving average component
Difforder	numeric(1) differencing order d of 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 ejhu
ARorder	order of autoregressive component
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

ej = enriched_jhu_data()
lkus = Arima_nation(ej)
lkus
plot(lkus)

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