agg_to_freq: Aggregate long format data.table
In dateutils: Date Utils

Aggregate a data.table in long format to a specified frequency

agg_to_freq(
  dt_long,
  frq = c("month", "week", "quarter", "year"),
  date_name = "ref_date",
  id_name = "series_name",
  value_name = "value"
)

`dt_long`	data.table in long format
`frq`	frequency for aggregation, one of '"month"', '"week"', '"quarter"', or '"year"'
`date_name`	name of date column
`id_name`	name of id column
`value_name`	name of value column

Aggregated data at specified frequency in long format

1	out <- agg_to_freq(fred[series_name == "gdp constant prices"], frq = "year")

dateutils documentation built on Nov. 10, 2021, 5:09 p.m.

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