Scan results

app_events_january.csv — 82/100

124,820 rows scanned · 96,204 ready · 18,311 auto-fixed · 8,912 need review · 1,393 blocked.

Scan another file

Quality score82 / 100

Total rows124,820

Needs review8,912

Data quality scanapp_events_january.csv · 124,820 rows

Quality score

82/100

Row status

Ready 96,204
Auto-fixed 18,311
Needs review 8,912
Blocked 1,393

Top issues

Timestamp

12,406

Missing props

7,821

Event naming

4,218

Duplicates

3,104

User ID

2,144

Schema

Event categories

Engagement

42%

Activation

18%

Admin

16%

Unknown

14%

Retention

11%

Billing

Integration

Event quality

Event name	Rows	Status
Dashboard Viewed	42,118	Ready
Sign Up Completed	18,420	Ready
Trial Started	6,811	Auto-fixed
feature_use	3,104	Review
Payment Failed	931	Ready

Sample scan of app_events_january.csv — January 2026 product analytics export. Auto-fixes applied to 18,311 rows; 8,912 rows flagged for human review before import.

Schema summary

Column	Type	Null rate	Issues
event	string	0%	4,218 naming inconsistencies
timestamp	datetime	0.2%	12,406 format errors
user_id	string	1.7%	2,144 anonymous ID conflicts
distinct_id	string	0%	—
properties	json	6.3%	7,821 missing required keys
insert_id	string	2.5%	3,104 duplicate rows

Event name inventory

Event name	Rows	Category	Status
Dashboard Viewed	42,118	Engagement	Ready
Sign Up Completed	18,420	Activation	Ready
Trial Started	6,811	Activation	Auto-fixed
feature_use	3,104	Unknown	Review
Payment Failed	931	Billing	Ready
Page Viewed	28,440	Engagement	Auto-fixed
Settings Updated	4,892	Admin	Ready
Integration Connected	2,104	Integration	Review

Issue breakdown

Issue type	Affected rows	Severity	Auto-fix
Timestamp format	12,406	High	Yes — normalize to UTC
Missing properties	7,821	Medium	Partial — fill defaults
Event naming	4,218	Medium	Yes — snake_case
Duplicate rows	3,104	Medium	Yes — dedupe by insert_id
User ID conflicts	2,144	Medium	Review required
Schema mismatch	92	High	Manual mapping