Quality flag

Quality flags for data import to PANGAEA

Each numeric value of an import file can be quality flagged with symbols as listed below. Insert the symbol at the beginning of a value without a blank in between. Values without any symbol are qualified as being valid.

Examples: /23.56    >123.7    ?0.345

Quality flag Symbol valid (no symbol, default)

questionable ?

not valid /

unknown *

individual definition # (e.g. missing value)

larger than >

less than <