@utilities.arguments_not_none<EOL><INDENT>def set_numeric_score_increment(self, increment):<DEDENT>
<EOL>if self.get_numeric_score_increment_metadata().is_read_only():<EOL><INDENT>raise errors.NoAccess()<EOL><DEDENT>try:<EOL><INDENT>increment = float(increment)<EOL><DEDENT>except ValueError:<EOL><INDENT>raise errors.InvalidArgument()<EOL><DEDENT>if not self._is_valid_decimal(increment, self.get_numeric_score_increment_metadata()):<EOL><INDENT>raise errors.InvalidArgument()<EOL><DEDENT>self._my_map['<STR_LIT>'] = increment<EOL>
Sets the numeric score increment.

        arg:    increment (decimal): the numeric score increment
        raise:  InvalidArgument - ``increment`` is invalid
        raise:  NoAccess - ``increment`` cannot be modified
        *compliance: mandatory -- This method must be implemented.*