R Interface for China National Data
private function for check the http status
private function to convert the returned jason data to a dataframe
private function for constructing the query parameter for dfwds
private function for sec
the available dbs
query data in the statscn db
fetch the lastN data
the data categories
the regions in db
statscnRowNamePrefix
R interface for china national data <http://data.stats.gov.cn/>, some convenient functions for accessing the national data are provided.
Useful links