seas_df_long {dateutils}

Seasonally adjust long format data using seas()

Description

Seasonaly adjust multiple monthly or quarterly series in long format using X-13 SEATS via seas()

Usage

seas_df_long(
  df,
  sa_names,
  x11 = FALSE,
  transfunc = "none",
  series_names = "series_name",
  value_var = "value",
  date_var = "ref_date"
)

Arguments

df

long format dataframe

sa_names

names of series to seasonally adjust

x11

T/F, use x11 as opposed to X-13 SEATS

transfunc

Data transformation, one of 'none' for no transformation, 'auto' for automatic detection, or 'log' for log transformation

series_names

name of column containing series names

value_var

name of column containing values

date_var

name of column containing dates

Value

A list with data.frames 'sa_factors' containing seasonal factors and 'values_sa' containing seasonally adjusted data.

Examples

seas_df_long(fred[series_name == "gdp constant prices"], sa_names="value")