Return a vector of column names, given a table name and grep query string.
query_column_names(dt, table_name, grep_string)
dt | data.frame |
---|---|
table_name | character |
grep_string | character |
if (FALSE) { dt <- lagosne_load("1.087.3") query_column_names(dt, "hu4.chag", "_dep_") query_column_names(dt, "county.chag", "baseflowindex") }