Top variables that correlate with Air quality in Oxford, North Carolina

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Data source: Environmental Protection Agency
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Air quality in Oxford, North Carolina correlates with...

Variable	Correlation	Years	Sys. Score
US household spending on fresh fruits	r=0.93	23yrs	358
Wind power generated in United States	r=0.88	39yrs	358
Google searches for 'i have the flu'	r=0.86	20yrs	356
Wind power generated in Sweden	r=0.86	39yrs	356
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.91	17yrs	356
Google searches for 'i have a headache'	r=0.85	20yrs	355
Number of firearms manufactured in the US	r=0.88	36yrs	354
Solar power generated in Spain	r=0.9	32yrs	354
Ticket prices at North American movie theaters	r=0.87	22yrs	342
Popularity of the 'red pill blue pill' meme	r=0.87	18yrs	342
US Wind Power Generation Capacity	r=0.88	23yrs	341
U.S. direct investment abroad	r=0.87	22yrs	340
US production of dry milk products (net)	r=0.88	22yrs	340
Global Net Sales for Walmart	r=0.9	17yrs	338
Butter consumption	r=0.88	32yrs	338
US dairy skim solids used to produce dry milk products	r=0.88	22yrs	338
Google searches for 'buy a house'	r=0.87	20yrs	338
The number of physical therapists in North Carolina	r=0.88	20yrs	338
The number of dentists in North Carolina	r=0.87	19yrs	337
Average length of 3Blue1Brown YouTube videos	r=0.9	9yrs	336
Votes for the Republican Presidential candidate in North Carolina	r=0.91	11yrs	336
The number of clergy in North Carolina	r=0.86	20yrs	335
Economic output of Washington metro area	r=0.85	21yrs	334
Global annual electricity generation	r=0.86	18yrs	333
GMO use in corn	r=0.87	24yrs	326
US household spending on fresh vegetables	r=0.9	23yrs	324
US household spending on rented dwellings	r=0.9	23yrs	324
Biomass power generated in Uruguay	r=0.88	32yrs	322
US household spending on healthcare	r=0.89	23yrs	322
Annual US household spending on fresh fruits	r=0.88	23yrs	321
US household spending on health insurance	r=0.88	23yrs	321
GMO use in cotton	r=0.85	23yrs	320
Annual US household spending on poultry	r=0.87	23yrs	320
Annual US household spending on fruits and vegetables	r=0.87	23yrs	320
Annual US household spending on rented dwellings	r=0.87	23yrs	320
Annual US household spending on health insurance	r=0.87	23yrs	320
Solar power generated in Germany	r=0.88	31yrs	310
US milk fat used to produce cheese (excluding cottage cheese)	r=0.86	22yrs	307
Google searches for 'tummy ache'	r=0.86	20yrs	306
The number of medical assistants in North Carolina	r=0.85	20yrs	304
Wind power generated in United Kingdom	r=0.86	34yrs	300
US production of cheese (other than cottage cheese)	r=0.85	22yrs	296
Wind power generated in Canada	r=0.87	30yrs	288
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.85	22yrs	284
Biomass power generated in Ireland	r=0.88	29yrs	278
US dairy skim solids used to produce yogurt, nonfrozen	r=0.85	22yrs	274
Annual US household spending on fresh vegetables	r=0.86	23yrs	268
Wind power generated in France	r=0.87	29yrs	267
Automotive recalls for issues with the Electrical System	r=0.8	43yrs	264
Automotive recalls issued by Hyundai Motor America	r=0.81	37yrs	264
Annual US household spending on healthcare	r=0.86	23yrs	263
Automotive recalls issued by BMW of North America	r=0.75	43yrs	261
American-type cheese consumption	r=0.85	27yrs	258
Automotive recalls issued by Mercedes-Benz USA	r=0.73	43yrs	258
Biomass power generated in Indonesia	r=0.87	29yrs	257
Annual US household spending on processed vegetables	r=0.85	23yrs	256
Total number of automotive recalls	r=0.72	43yrs	254
The Coca-Cola Company's stock price (KO)	r=0.81	22yrs	249
The Walt Disney Company's stock price (DIS)	r=0.81	22yrs	249
Colgate-Palmolive Company's stock price (CL)	r=0.84	22yrs	249
Automotive recalls for issues with the Power Train	r=0.69	43yrs	248
Wind power generated in Switzerland	r=0.89	26yrs	247
Automotive recalls issued by Volkswagen Group of America	r=0.65	43yrs	246
Automotive recalls issued by Porsche	r=0.65	43yrs	246
Patents granted in the US	r=0.77	41yrs	245
Patents granted in the US	r=0.78	41yrs	244
Automotive recalls for issues with the Air Bags	r=0.73	33yrs	244
Automotive recalls issued by Chrysler	r=0.64	43yrs	244
Intel Corporation's annual revenue	r=0.84	36yrs	243
Total number of live births in Australia	r=0.76	43yrs	238
Annual Revenue of Walt Disney Company	r=0.81	32yrs	238
Wind power generated in Japan	r=0.86	30yrs	236
US average dairy skim-solid content of yogurt, nonfrozen	r=0.89	22yrs	228
Wind power generated in Poland	r=0.87	27yrs	225
Realty Income's stock price (O)	r=0.83	22yrs	218
Hydopower energy generated in Greenland	r=0.89	23yrs	214
US average milk-fat content of dry milk products (net)	r=0.86	22yrs	214
Google searches for 'President phone number'	r=0.82	20yrs	208
Dominion Energy's stock price (D)	r=0.82	22yrs	206
Biomass power generated in India	r=0.88	23yrs	202
Novartis AG's stock price (NVS)	r=0.81	22yrs	194
Automotive recalls issued by Nissan North America	r=0.63	43yrs	193
Wind power generated in Latvia	r=0.86	26yrs	192
Fomento Econ's stock price (FMX)	r=0.81	22yrs	184
Biomass power generated in Lithuania	r=0.89	21yrs	182
Average milk produced per cow in the US	r=0.72	43yrs	175
Unilever's stock price (UL)	r=0.81	22yrs	174
Wind power generated in Taiwan	r=0.88	22yrs	172
Ecolab's stock price (ECL)	r=0.81	22yrs	164
Gasoline pumped in Bhutan	r=0.87	27yrs	162
Cognizant Technology Solutions' stock price (CTSH)	r=0.81	22yrs	154
Liquefied petroleum gas used in Tajikistan	r=0.85	29yrs	151
WEC Energy Group's stock price (WEC)	r=0.81	22yrs	144
Eversource Energy's stock price (ES)	r=0.81	22yrs	134
Novo Nordisk's stock price (NVO)	r=0.8	22yrs	123
SAP SE's stock price (SAP)	r=0.8	22yrs	113
PPG Industries' stock price (PPG)	r=0.8	22yrs	103
Brown-Forman's stock price (BF.A)	r=0.8	22yrs	93
Brown-Forman's stock price (BF.B)	r=0.8	22yrs	83
Hormel Foods' stock price (HRL)	r=0.8	22yrs	73
Comcast's stock price (CMCSA)	r=0.79	22yrs	62

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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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