Data items in the MA_QA_METRIC_FEATURE category captures the
QA metrics calculated per feature as defined in ma_feature_list.
Data in this category can be extracted into a separate file which
is linked to the main file using the categories
ma_associated_archive_file_details or ma_entry_associated_files
with file_content set to "QA metrics".
loop_
_ma_qa_metric_feature.ordinal_id
_ma_qa_metric_feature.model_id
_ma_qa_metric_feature.feature_id
_ma_qa_metric_feature.metric_id
_ma_qa_metric_feature.metric_value
1 1 1 1 -0.85
2 1 1 2 -2.71
# ... abbreviated ...