lookup_variables | R Documentation |
Returns recognised water quality variables.
If codes = NULL
the function returns all recognised variable names.
Otherwise it
looks up the matching variables from codes
. Whether or
not the codes are compressed or expanded is unimportant.
lookup_variables( codes = NULL, messages = getOption("wqbc.messages", default = TRUE) )
codes |
An optional character vector of codes to look up variables. |
messages |
A flag indicating whether to print messages. |
lookup_limits
and expand_ems_codes
lookup_variables() lookup_variables(c("AL-D", "EMS_AS_T", "B--T", "KRYP"), messages = TRUE)
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