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	Sys. Score
Wind power generated in Venezuela	r=0.99	10yrs	406
Petroluem consumption in Turks and Caicos Islands	r=0.93	27yrs	381
Customer satisfaction with Apple	r=0.86	28yrs	364
Nuclear power generation in Czechia	r=0.89	29yrs	350
Number of internet users	r=0.86	24yrs	342
US milk fat used to produce yogurt	r=0.87	22yrs	338
US milk fat used to produce whey products (net)	r=0.86	22yrs	337
Italian-type cheese consumption	r=0.89	27yrs	334
The number of registered nurses in Delaware	r=0.85	18yrs	332
GMO use in corn	r=0.88	23yrs	327
GMO use in corn	r=0.85	23yrs	322
Customer satisfaction with TJ Maxx	r=0.87	14yrs	322
GMO use in cotton	r=0.85	23yrs	320
Grocery store spend in Delaware	r=0.87	24yrs	319
Electricity generation in Russia	r=0.87	30yrs	318
Food spending in Delaware	r=0.86	24yrs	318
Liquefied petroleum gas used in Bosnia and Herzegovina	r=0.88	30yrs	306
Mozzarella cheese consumption	r=0.89	27yrs	304
Petroluem consumption in Bosnia and Herzegovina	r=0.87	30yrs	295
Hispanic cheese consumption	r=0.88	26yrs	292
How professional-sounding Steve Mould's YouTube video titles are	r=0.88	14yrs	288
Liquefied petroleum gas used in Moldova	r=0.89	27yrs	285
Petroluem consumption in Turkmenistan	r=0.86	30yrs	274
Natural cheese consumption	r=0.86	27yrs	272
Kerosene used in Falkland Islands	r=0.87	26yrs	261
Customer satisfaction with Dillard's	r=0.84	27yrs	256
US average milk-fat content of yogurt, nonfrozen	r=0.85	22yrs	252
Petroluem consumption in Palestinian Territories	r=0.86	25yrs	248
Google searches for 'i have the flu'	r=0.84	19yrs	248
Jet fuel used in Sao Tome and Principe	r=0.85	22yrs	234
U.S. direct investment abroad	r=0.85	22yrs	232
Number of Lawyers in the United States	r=0.73	34yrs	232
Total Sales at Clothing and Accessories Stores	r=0.77	31yrs	230
Inflation in the US	r=0.79	31yrs	230
Ticket prices at North American movie theaters	r=0.81	22yrs	228
Intel Corporation's annual revenue	r=0.74	36yrs	228
Economic output of Washington metro area	r=0.83	21yrs	226
The number of library assistants in Delaware	r=0.83	20yrs	226
Yearly Total Gross Income of US Farms	r=0.79	23yrs	224
Annual Revenue of Walt Disney Company	r=0.72	32yrs	224
Hollister retail store count worldwide	r=0.79	23yrs	222
Number of households headed by single fathers in the United States	r=0.72	32yrs	222
Popularity of the first name Saige	r=0.76	39yrs	212
Annual US household spending on telephone services	r=0.85	23yrs	212
Annual US household spending on electricity	r=0.84	23yrs	210
Number of public school students in 12th grade	r=0.75	33yrs	210
Popularity of the first name Rylie	r=0.74	40yrs	210
Fomento Econ's stock price (FMX)	r=0.78	21yrs	209
Kellogg's stock price (K)	r=0.78	21yrs	209
Restaurant spending in Delaware	r=0.81	24yrs	208
Automotive recalls issued by Hyundai Motor America	r=0.64	37yrs	208
Popularity of the first name Armani	r=0.74	37yrs	208
Annual US household spending on utilities	r=0.83	23yrs	208
US household spending on health insurance	r=0.82	23yrs	207
EOG Resources' stock price (EOG)	r=0.76	21yrs	206
US household spending on rented dwellings	r=0.81	23yrs	206
US household spending on healthcare	r=0.81	23yrs	206
Annual US household spending on property taxes	r=0.8	23yrs	204
Annual US household spending on rented dwellings	r=0.8	23yrs	204
Annual US household spending on health insurance	r=0.8	23yrs	204
Annual US household spending on healthcare	r=0.79	23yrs	202
The average number of likes on Numberphile YouTube videos	r=-0.94	12yrs	193
Total Revenue of the NFL Teams	r=0.81	20yrs	192
Violent crime rates	r=-0.66	38yrs	192
The number of cooks, institution and cafeteria in Delaware	r=0.8	20yrs	191
GMO use in cotton	r=0.8	23yrs	177
Popularity of the first name Kolton	r=0.71	41yrs	177
Novartis AG's stock price (NVS)	r=0.75	21yrs	174
Gasoline Prices in the US	r=0.7	33yrs	172
Popularity of the first name Kennedi	r=0.75	34yrs	166
Number of Registered Vehicles in the US	r=0.71	32yrs	165
Enbridge's stock price (ENB)	r=0.75	21yrs	164
US milk fat used to produce sour cream	r=0.85	22yrs	160
US Shoe Store Sales	r=0.72	30yrs	159
Adidas Group's Global Net Sales	r=0.78	23yrs	153
Annual US household spending on pets, toys, and hobbies	r=0.78	23yrs	151
Popularity of the first name Maddison	r=0.68	38yrs	150
US production of yogurt, nonfrozen	r=0.84	22yrs	149
Christmas Price Index in the United States	r=0.71	31yrs	148
US dairy skim solids used to produce yogurt, nonfrozen	r=0.85	22yrs	139
US dairy skim solids used to produce sour cream	r=0.85	22yrs	129
Electricity generation in Kazakhstan	r=0.82	30yrs	126
US per-person consumption of bottled water	r=0.8	24yrs	125
Nuclear power generation in Russia	r=0.82	30yrs	116
US production of cheese (other than cottage cheese)	r=0.81	22yrs	114
Liquefied petroleum gas used in North Macedonia	r=0.84	30yrs	106
US milk fat used to produce cheese (excluding cottage cheese)	r=0.81	22yrs	104
Fossil fuel use in Eritrea	r=0.83	28yrs	95
US production of sour cream	r=0.8	22yrs	93
Electricity generation in Czechia	r=0.82	29yrs	84
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.81	22yrs	83
Wind power generated in New Zealand	r=0.81	30yrs	74
US dairy skim solids used to produce evaporated and condensed milk	r=0.81	22yrs	73
Biomass power generated in Hungary	r=0.79	32yrs	63
US Bottled Water Consumption per Person	r=0.81	24yrs	62
Biomass power generated in Slovakia	r=0.81	29yrs	53
Yogurt consumption	r=0.75	32yrs	53
Fossil fuel use in Bosnia and Herzegovina	r=0.8	30yrs	42
Milk-fat consumption	r=0.73	32yrs	40
American-type cheese consumption	r=0.76	27yrs	30
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.85	22yrs	19

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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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