ed_nbs_symbol provides an interface to query symbols of economic indicators from NBS.
ed_nbs_symbol
ed_nbs_symbol(symbol = NULL, geo_type = NULL, freq = NULL, eng = FALSE)
symbols of NBS indicators.
geography type in NBS, including 'nation', 'province', 'city'. Default is NULL.
the frequency of NBS indicators, including 'monthly', 'quarterly', 'yearly'. Default is NULL.
logical. The language of the query results is in English or in Chinese. Default is FALSE.
# query symbol interactively if (FALSE) { sym = ed_nbs_symbol()}
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