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Popularity of the first name Bertha correlates with...
| Variable | Correlation | Years | Has img? |
| Arson in United States | r=0.97 | 38yrs | No |
| The divorce rate in Alabama | r=0.96 | 23yrs | No |
| The marriage rate in Tennessee | r=0.95 | 23yrs | No |
| Google searches for 'learn spanish' | r=0.93 | 19yrs | No |
| The number of telemarketers in New Jersey | r=0.93 | 20yrs | No |
| The number of postal service machine operators in California | r=0.93 | 20yrs | No |
| The number of tool and die makers in Arkansas | r=0.93 | 20yrs | No |
| Burglary rates in the US | r=0.93 | 38yrs | No |
| Air pollution in Oxnard, California | r=0.92 | 41yrs | No |
| Frozen yogurt consumption | r=0.91 | 32yrs | No |
| Number of edits to the Wikipedia article for Thanksgiving | r=0.91 | 16yrs | No |
| Gasoline pumped in Cuba | r=0.91 | 42yrs | No |
| Air quality in Fort Collins, Colorado | r=0.81 | 43yrs | Yes! |
Popularity of the first name Bertha also correlates with...
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You caught me! While it would be intuitive to sort only by "correlation," I have a big, weird database. If I sort only by correlation, often all the top results are from some one or two very large datasets (like the weather or labor statistics), and it overwhelms the page.
I can't show you *all* the correlations, because my database would get too large and this page would take a very long time to load. Instead I opt to show you a subset, and I sort them by a magic system score. It starts with the correlation, but penalizes variables that repeat from the same dataset. (It also gives a bonus to variables I happen to find interesting.)