Lookup for mapping data source columns to united column

data_map

Format

A data frame with 32 rows and 14 variables where column names are col (new column names) , class (class of new columns) , final_select_col (usually bio_all) and an extra column for each data_name mapping data_name column names to col column names data sources:

col

Character. Name of column in new data frame

class

Character. What class will the new column be?

final_select_col

Logical. Will this column end up in the united data frame (or, the alternative, is it needed from the original data source for processing)

data_name

Any number of columns named for each data source and populated with the old column names in that data source

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