Top variables that correlate with Air quality in Dover, Delaware

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Data source: Environmental Protection Agency
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Air quality in Dover, Delaware correlates with...

Variable	Correlation	Years	Has img?
Electricity generation in Armenia	r=0.88	30yrs	No

Air quality in Dover, Delaware also correlates with...

Variable	Correlation	Years	Sys. Score
Solar power generated in Czechia	r=0.91	29yrs	383
Wind power generated in France	r=0.91	29yrs	383
Hydopower energy generated in Greenland	r=0.95	23yrs	383
U.S. direct investment abroad	r=0.93	22yrs	379
Ticket prices at North American movie theaters	r=0.91	22yrs	378
Popularity of the 'red pill blue pill' meme	r=0.92	17yrs	378
Economic output of Washington metro area	r=0.91	21yrs	374
US production of cheese (other than cottage cheese)	r=0.91	22yrs	374
US milk fat used to produce cheese (excluding cottage cheese)	r=0.91	22yrs	374
US milk fat used to produce yogurt	r=0.91	22yrs	374
Google searches for 'tummy ache'	r=0.91	19yrs	373
GMO use in corn	r=0.93	23yrs	364
GMO use in cotton	r=0.92	23yrs	360
Google searches for 'i have a headache'	r=0.89	19yrs	360
Google searches for 'i have the flu'	r=0.89	19yrs	360
The Coca-Cola Company's stock price (KO)	r=0.86	21yrs	360
US household spending on rented dwellings	r=0.94	23yrs	360
US household spending on healthcare	r=0.94	23yrs	360
Realty Income's stock price (O)	r=0.87	21yrs	358
General Mills' stock price (GIS)	r=0.86	21yrs	358
US household spending on health insurance	r=0.93	23yrs	358
Annual US household spending on telephone services	r=0.92	23yrs	357
US household spending on fresh fruits	r=0.92	23yrs	357
Annual US household spending on rented dwellings	r=0.91	23yrs	356
Annual US household spending on health insurance	r=0.91	23yrs	356
Annual US household spending on healthcare	r=0.9	23yrs	354
Biomass power generated in Ireland	r=0.91	29yrs	353
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.92	22yrs	344
Biomass power generated in Slovakia	r=0.91	29yrs	343
US Wind Power Generation Capacity	r=0.89	23yrs	342
Number of internet users	r=0.86	24yrs	342
Average length of 3Blue1Brown YouTube videos	r=0.94	8yrs	341
Total employee count at Continental AG	r=0.86	24yrs	340
China's Annual Passenger Car Production	r=0.9	18yrs	339
Adidas Group's Global Net Sales	r=0.88	23yrs	338
Total Revenue of the NFL Teams	r=0.88	20yrs	338
The number of medical assistants in Delaware	r=0.88	20yrs	338
Global annual electricity generation	r=0.88	18yrs	336
Global Net Sales for Walmart	r=0.89	17yrs	336
The number of cooks, institution and cafeteria in Delaware	r=0.87	20yrs	336
The number of library assistants in Delaware	r=0.87	20yrs	336
Annual Revenue of the Lego Group	r=0.85	20yrs	334
US production of sour cream	r=0.9	22yrs	333
Biomass power generated in India	r=0.94	23yrs	332
UK Service Retail Price Index	r=0.86	19yrs	332
Cognizant Technology Solutions' stock price (CTSH)	r=0.87	21yrs	328
Total likes of Tom Scott's YouTube videos	r=0.86	14yrs	325
Customer satisfaction with TJ Maxx	r=0.88	14yrs	324
Annual US household spending on fresh fruits	r=0.9	23yrs	324
US dairy skim solids used to produce yogurt, nonfrozen	r=0.91	22yrs	323
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.89	16yrs	322
Wind power generated in Switzerland	r=0.92	26yrs	322
Novartis AG's stock price (NVS)	r=0.86	21yrs	316
Google searches for 'i am tired'	r=0.9	19yrs	314
Wind power generated in Taiwan	r=0.94	22yrs	310
Colgate-Palmolive Company's stock price (CL)	r=0.86	21yrs	306
The number of registered nurses in Delaware	r=0.87	18yrs	304
Biomass power generated in Zambia	r=0.94	22yrs	300
Google searches for 'headache remedies'	r=0.88	19yrs	298
Cummins' stock price (CMI)	r=0.86	21yrs	296
Total length of PBS Space Time YouTube videos	r=0.91	8yrs	292
US average milk-fat content of cheese (other than cottage cheese)	r=0.91	22yrs	292
Wind power generated in Czechia	r=0.93	22yrs	289
Google searches for 'who is jk rowling'	r=0.88	19yrs	288
Arch Capital Group's stock price (ACGL)	r=0.86	21yrs	286
Revenue of US Broadcasting Industry	r=0.86	17yrs	282
Wind power generated in Latvia	r=0.9	26yrs	278
Google searches for 'highest paying jobs'	r=0.88	19yrs	278
Chunghwa Telecom Co.'s stock price (CHT)	r=0.87	19yrs	276
US production of butter	r=0.9	22yrs	273
Gasoline pumped in Bhutan	r=0.91	27yrs	268
Google searches for 'i am dizzy'	r=0.87	19yrs	267
US per-person consumption of bottled water	r=0.89	24yrs	264
Fomento Econ's stock price (FMX)	r=0.85	21yrs	264
US milk fat used to produce butter	r=0.9	22yrs	263
Google searches for 'do i need to go to the doctor'	r=0.87	19yrs	257
Biomass power generated in Rwanda	r=0.91	22yrs	256
Customer satisfaction with Dillard's	r=0.82	27yrs	252
US production of dry milk products (net)	r=0.89	22yrs	252
Google searches for 'buy a house'	r=0.86	19yrs	246
Biomass power generated in Lithuania	r=0.9	21yrs	244
US dairy skim solids used to produce butter	r=0.9	22yrs	242
Google searches for 'how to make baby'	r=0.86	19yrs	236
Biomass power generated in Papua New Guinea	r=0.9	22yrs	234
US milk fat used to produce whey products (net)	r=0.88	22yrs	230
Google searches for 'what is the FDIC'	r=0.85	19yrs	224
Biomass power generated in Solomon Islands	r=0.91	16yrs	220
US milk fat used to produce sour cream	r=0.88	22yrs	220
US Bottled Water Consumption per Person	r=0.89	24yrs	220
US dairy skim solids used to produce dry milk products	r=0.89	22yrs	210
US dairy skim solids used to produce sour cream	r=0.88	22yrs	198
Electricity generation in Georgia	r=0.89	30yrs	191
US production of yogurt, nonfrozen	r=0.86	22yrs	187
US production of whey products (net)	r=0.85	22yrs	176
Wind power generated in Poland	r=0.89	27yrs	168
US dairy skim solids used to produce whey products	r=0.85	22yrs	164
Wind power generated in Faroe Islands	r=0.86	29yrs	156
Muenster cheese consumption	r=0.88	27yrs	152
Italian-type cheese consumption	r=0.86	27yrs	140
Google searches for 'how to immigrate to canada'	r=0.84	19yrs	132

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^{What is Sys. Score?} 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.)


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