restatapi (version 0.6.0)

extract_data: Extract data values from SDMX XML

Description

Extracts the data values from the SDMX XML data file

Usage

extract_data(xml_lf, keep_flags = FALSE,
  stringsAsFactors = default.stringsAsFactors(), bulk = TRUE)

Arguments

xml_lf

an input XML leaf with data series from an SDMX XML file to extract the value and dimension from it

keep_flags

a boolean if to extract the observation status (flag) information from the XML file. The default value is FALSE

stringsAsFactors

if TRUE (the default) the columns are converted to factors. If FALSE they are returned as a character.

bulk

a boolean with default value TRUE if the input SDMX XML file is from the bulk download facility containing all the observations. If the input file has pre-filtered values then the FALSE should be used.

Value

a data frame containing the values of an SDMX node, (the dimensions, value and optional the flag(s))

Details

It is a sub-function to use in the get_eurostat_data and the get_eurostat_raw functions.

Examples

# NOT RUN {
id<-"agr_r_milkpr"
toc<-get_eurostat_toc()
bulk_url<-toc$downloadLink.sdmx[toc$code==id]
temp<-tempfile()
download.file(bulk_url,temp)
sdmx_xml<-xml2::read_xml(unzip(temp, paste0(id,".sdmx.xml")))
xml_leafs<-xml2::xml_find_all(sdmx_xml,".//data:Series")
extract_data(xml_leafs[1])
# }
# NOT RUN {
# }