This function is used to filter the downloaded scorecard data. It converts idiomatic R into the format required by the API call.
sc_filter(sccall, ...)
sc_filter_(sccall, filter_string)Current list of parameters carried forward from prior functions in the chain (ignore)
Expressions to evaluate
Filter as character string or vector of filters as character strings
sc_filter_(): Standard evaluation version of
sc_filter (filter_string must be a string
or vector of strings when using this version)
if (FALSE) {
sc_filter(region == 1) # New England institutions
sc_filter(stabbr == c('TN','KY')) # institutions in Tennessee and Kentucky
sc_filter(control != 3) # exclude private, for-profit institutions
sc_filter(control == c(1,2)) # same as above
sc_filter(control == 1:2) # same as above
sc_filter(stabbr == 'TN', control == 1, locale == 41:43) # TN rural publics
}
if (FALSE) {
sc_filter_('region == 1')
sc_filter_('control != 3')
## With internal strings, you must either use both double and single quotes
## or escape internal quotes
sc_filter_("stabbr == c('TN','KY')")
sc_filter_('stabbr == c(\'TN\',\'KY\')')
## stored in object
filters <- c('control == 1', 'locale == 41:43')
sc_filter_(filters)
}