Flagtools

forceFlags(field[, flag])	Set whole column to a flag value.
clearFlags(field, **kwargs)	Assign UNFLAGGED value to all periods in field.
flagUnflagged(field[, flag])	Function sets a flag at all unflagged positions.
flagManual(field, mdata[, method, mformat, ...])	Include flags listed in external data.
flagDummy(field, **kwargs)	Function does nothing but returning data and flags.
transferFlags(field[, target, squeeze, ...])	Transfer Flags of one variable to another.
andGroup(field[, group, target, flag])	Logical AND operation for Flags.
orGroup(field[, group, target, flag])	Logical OR operation for Flags.