Top variables that correlate with Air quality in Salisbury, Maryland

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Data source: Environmental Protection Agency
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Air quality in Salisbury, Maryland correlates with...

Variable	Correlation	Years	Sys. Score
Customer satisfaction with TJ Maxx	r=0.91	14yrs	388
Wind power generated in Latvia	r=0.91	26yrs	380
U.S. direct investment abroad	r=0.91	22yrs	376
US milk fat used to produce yogurt	r=0.92	22yrs	376
Gasoline pumped in Micronesia	r=0.93	22yrs	376
Petroluem consumption in Turks and Caicos Islands	r=0.9	27yrs	376
US dairy skim solids used to produce yogurt, nonfrozen	r=0.91	22yrs	373
The number of epidemiologists in Maryland	r=0.9	20yrs	371
Italian-type cheese consumption	r=0.9	27yrs	366
Customer satisfaction with Dillard's	r=0.88	27yrs	366
GMO use in corn	r=0.93	23yrs	364
GMO use in cotton	r=0.92	23yrs	360
Google searches for 'i have the flu'	r=0.89	19yrs	360
Food spending in Maryland	r=0.9	24yrs	354
Annual US household spending on telephone services	r=0.9	23yrs	354
US household spending on rented dwellings	r=0.9	23yrs	354
US household spending on healthcare	r=0.9	23yrs	354
US household spending on health insurance	r=0.9	23yrs	354
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.91	16yrs	354
Number of households headed by single fathers in the United States	r=0.86	32yrs	348
Number of internet users	r=0.89	24yrs	346
Wind power generated in Czechia	r=0.9	22yrs	344
Popularity of the 'red pill blue pill' meme	r=0.88	17yrs	342
Ticket prices at North American movie theaters	r=0.86	22yrs	340
The number of personal financial advisors in Maryland	r=0.89	20yrs	340
Economic output of Washington metro area	r=0.87	21yrs	338
Google searches for 'tummy ache'	r=0.87	19yrs	337
Hispanic cheese consumption	r=0.91	26yrs	336
The number of electrical engineers in Maryland	r=0.87	20yrs	336
Patents granted to Apple	r=0.92	12yrs	336
Adidas Group's Global Net Sales	r=0.86	23yrs	335
Total Revenue of the NFL Teams	r=0.86	20yrs	335
China's Annual Passenger Car Production	r=0.87	18yrs	334
Google searches for 'how to make baby'	r=0.85	19yrs	334
UK Service Retail Price Index	r=0.86	19yrs	332
Biomass power generated in Solomon Islands	r=0.91	16yrs	330
Number of public school students in 12th grade	r=0.85	33yrs	330
Grocery store spend in Maryland	r=0.9	24yrs	324
Restaurant spending in Maryland	r=0.88	24yrs	324
Annual US household spending on rented dwellings	r=0.88	23yrs	321
Annual US household spending on health insurance	r=0.88	23yrs	321
Wind power generated in Venezuela	r=0.95	10yrs	320
Annual US household spending on healthcare	r=0.87	23yrs	320
US per-person consumption of bottled water	r=0.86	24yrs	319
Annual US household spending on utilities	r=0.86	23yrs	318
Annual US household spending on education	r=0.87	21yrs	318
Annual US household spending on fresh fruits	r=0.85	23yrs	316
The number of materials engineers in Maryland	r=0.86	20yrs	305
US milk fat used to produce whey products (net)	r=0.89	22yrs	302
Biomass power generated in Singapore	r=0.89	32yrs	293
US production of cheese (other than cottage cheese)	r=0.88	22yrs	290
US milk fat used to produce cheese (excluding cottage cheese)	r=0.88	22yrs	280
Wind power generated in Japan	r=0.87	30yrs	278
Wind power generated in New Zealand	r=0.87	30yrs	268
US production of sour cream	r=0.87	22yrs	268
Annual US household spending on electricity	r=0.85	23yrs	266
Total number of automotive recalls	r=0.78	40yrs	260
Biomass power generated in Slovakia	r=0.88	29yrs	258
US milk fat used to produce sour cream	r=0.87	22yrs	258
US Bottled Water Consumption per Person	r=0.87	24yrs	256
Automotive recalls issued by BMW of North America	r=0.72	40yrs	254
Automotive recalls for issues with the Electrical System	r=0.74	40yrs	252
Customer satisfaction with Apple	r=0.8	28yrs	250
Automotive recalls issued by Hyundai Motor America	r=0.71	37yrs	249
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.88	22yrs	248
Automotive recalls for issues with the Power Train	r=0.71	40yrs	248
Fomento Econ's stock price (FMX)	r=0.84	21yrs	248
Fossil fuel use in Eritrea	r=0.87	28yrs	246
USA Population	r=0.83	40yrs	246
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.79	40yrs	246
Novartis AG's stock price (NVS)	r=0.82	21yrs	245
Colgate-Palmolive Company's stock price (CL)	r=0.82	21yrs	245
Patents granted in the US	r=0.78	38yrs	244
Automotive recalls issued by Honda	r=0.65	40yrs	243
US production of whey products (net)	r=0.86	22yrs	237
Biomass power generated in Ireland	r=0.86	29yrs	236
US production of yogurt, nonfrozen	r=0.86	22yrs	227
Electricity generation in Kazakhstan	r=0.86	30yrs	226
US dairy skim solids used to produce sour cream	r=0.87	22yrs	217
Biomass power generated in India	r=0.89	23yrs	214
Gilead Sciences' stock price (GILD)	r=0.81	21yrs	214
Wind power generated in Switzerland	r=0.87	26yrs	204
EOG Resources' stock price (EOG)	r=0.81	21yrs	204
US production of butter	r=0.85	22yrs	196
Gasoline pumped in Bhutan	r=0.88	27yrs	194
Number of Lawyers in the United States	r=0.81	34yrs	194
Enbridge's stock price (ENB)	r=0.81	21yrs	194
Intel Corporation's annual revenue	r=0.83	36yrs	187
US milk fat used to produce butter	r=0.85	22yrs	186
Petroluem consumption in Turkmenistan	r=0.86	30yrs	184
Dominion Energy's stock price (D)	r=0.81	21yrs	184
Annual Revenue of Walt Disney Company	r=0.83	32yrs	180
US dairy skim solids used to produce whey products	r=0.86	22yrs	176
Gasoline pumped in Turkmenistan	r=0.86	30yrs	174
Cognizant Technology Solutions' stock price (CTSH)	r=0.81	21yrs	174
Yogurt consumption	r=0.86	32yrs	164
Wind power generated in Taiwan	r=0.89	22yrs	163
US dairy skim solids used to produce butter	r=0.85	22yrs	154
Biomass power generated in Zambia	r=0.89	22yrs	153
Mozzarella cheese consumption	r=0.89	27yrs	144
Average milk produced per cow in the US	r=0.82	40yrs	137

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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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