Get map unit aggregate attribute information from Soil Data Access
get_SDA_muaggatt(
areasymbols = NULL,
mukeys = NULL,
WHERE = NULL,
query_string = FALSE,
dsn = NULL
)
a data.frame
vector of soil survey area symbols
vector of map unit keys
character containing SQL WHERE clause specified in terms of fields in legend
, mapunit
, or muaggatt
tables, used in lieu of mukeys
or areasymbols
Default: FALSE
; if TRUE
return a character string containing query that would be sent to SDA via SDA_query
Path to local SQLite database or a DBIConnection object. If NULL
(default) use Soil Data Access API via SDA_query()
.
Jason Nemecek, Chad Ferguson, Andrew Brown