Spotless Data's Machine Learning Filters can really help make Tableau work perfectly every time.
Tableau has the most fantastic mapping functionality but how frequently have you uploaded your geographic data only to find a large number of “nulls” on the map? At Spotless we have set up a number of solutions specifically to transform your geographic data into Tableau cities, countries, and states, ensuring their data integrity. By data cleaning your data to ensure each and every one of them has data validation with one of our solutions and your Tableau maps will then work perfectly.
If your data quality is an issue or you know that you have known sources of dirty data but your files are just too big, and the problems too numerous to be able to fix manually please do log in and try now