Please read the column definitions available here:
Data column reference
Note the values in the 'exclude_hit'column:
Flag indicating the hit is excluded from reporting. The visit_num column is not incremented for excluded hits.
1: Not used. Part of a scrapped feature.
2: Not used. Part of a scrapped feature.
3: No longer used. User agent exclusion
4: Exclusion based on IP address
5: Vital hit info missing, such as page_url, pagename, page_event, or event_list
6: JavaScript did not correctly process hit
7: Account-specific exclusion, such as in a VISTA rules
8: Not used. Alternate account-specific exclusion.
9: Not used. Part of a scrapped feature.
10: Invalid currency code
11: Hit missing a timestamp on a timestamp-only report suite, or a hit contained a timestamp on a non-timestamp report suite
12: Not used. Part of a scrapped feature.
13: Not used. Part of a scrapped feature.
14: Target hit that did not match up with an Analytics hit
15: Not currently used.
16: Advertising Cloud hit that did not match up to an Analytics hit
