Top variables that correlate with Air quality in Roanoke, Virginia

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Data source: Environmental Protection Agency
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Air quality in Roanoke, Virginia correlates with...

Variable	Correlation	Years	Sys. Score
Biomass power generated in Latvia	r=0.91	21yrs	375
Biomass power generated in Burma	r=0.92	17yrs	372
Solar power generated in Libya	r=0.94	12yrs	370
Number of Walmart stores worldwide	r=0.9	15yrs	369
Google searches for 'how to immigrate to canada'	r=0.88	20yrs	364
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.94	17yrs	360
Biogen's stock price (BIIB)	r=0.86	22yrs	357
How good SmarterEveryDay YouTube video titles are	r=0.92	17yrs	357
US household spending on healthcare	r=0.9	23yrs	354
US average dairy skim-solid content of yogurt, nonfrozen	r=0.9	22yrs	350
Popularity of the 'drake' meme	r=0.89	18yrs	345
The number of financial examiners in Virginia	r=0.89	20yrs	340
Popularity of the 'red pill blue pill' meme	r=0.85	18yrs	339
Google searches for 'tummy ache'	r=0.86	20yrs	336
Google searches for 'buy a house'	r=0.85	20yrs	335
The number of respiratory therapists in Virginia	r=0.86	20yrs	335
Patents granted to LG Electronics	r=0.91	12yrs	334
Patents granted to Apple	r=0.91	12yrs	334
Revenue of US Broadcasting Industry	r=0.86	17yrs	332
How insightful SmarterEveryDay YouTube video titles are	r=0.9	17yrs	324
US household spending on health insurance	r=0.89	23yrs	322
US household spending on rented dwellings	r=0.88	23yrs	321
Annual US household spending on health insurance	r=0.87	23yrs	320
Annual US household spending on healthcare	r=0.86	23yrs	318
Wind power generated in Tunisia	r=0.9	22yrs	314
Google searches for 'lost my wallet'	r=0.87	17yrs	305
Jet fuel used in Bhutan	r=0.89	25yrs	303
Percentage of Americans with social media profiles	r=0.87	14yrs	302
Biomass power generated in Lithuania	r=0.89	21yrs	292
How trendy Mark Rober YouTube video titles are	r=0.91	13yrs	292
Biomass power generated in Papua New Guinea	r=0.88	22yrs	282
Google searches for 'cat memes'	r=0.87	20yrs	281
How cool SmarterEveryDay YouTube video titles are	r=0.88	17yrs	281
Solar power generated in Greece	r=0.9	18yrs	270
How 'hip and with it' SmarterEveryDay YouTube video titles are	r=0.86	17yrs	268
Petroluem consumption in Micronesia	r=0.89	22yrs	260
How trendy SmarterEveryDay YouTube video titles are	r=0.86	17yrs	258
Customer satisfaction with American Airlines	r=0.81	28yrs	252
Customer satisfaction with Delta Airlines	r=0.8	28yrs	250
Nuclear power generation in Iran	r=0.93	11yrs	248
Realty Income's stock price (O)	r=0.83	22yrs	248
Dollar Tree's stock price (DLTR)	r=0.81	22yrs	248
Automotive recalls issued by Mercedes-Benz USA	r=0.64	43yrs	244
Biomass power generated in Nigeria	r=0.86	22yrs	238
US Wind Power Generation Capacity	r=0.85	23yrs	232
Gasoline pumped in Palestinian Territories	r=0.86	25yrs	228
US production of whey products (net)	r=0.83	22yrs	228
The number of athletic trainers in Virginia	r=0.85	20yrs	228
U.S. direct investment abroad	r=0.81	22yrs	226
Global annual electricity generation	r=0.85	18yrs	226
US production of cheese (other than cottage cheese)	r=0.82	22yrs	226
Total Revenue of the NFL Teams	r=0.82	20yrs	224
Adidas Group's Global Net Sales	r=0.81	23yrs	222
Hormel Foods' stock price (HRL)	r=0.83	22yrs	218
Number of firearms manufactured in the US	r=0.67	36yrs	218
Solar power generated in Bulgaria	r=0.91	13yrs	217
Popularity of the first name Rosemary	r=0.76	43yrs	216
Popularity of the first name Myra	r=0.76	43yrs	216
Popularity of the first name Harvey	r=0.76	43yrs	216
Liquefied petroleum gas used in Niger	r=0.87	22yrs	207
Kimberly-Clark's stock price (KMB)	r=0.82	22yrs	206
Google searches for 'i have the flu'	r=0.83	20yrs	197
The number of bailiffs in Virginia	r=0.83	20yrs	197
Solar power generated in Angola	r=0.91	12yrs	196
PPG Industries' stock price (PPG)	r=0.82	22yrs	196
US production of dry milk products (net)	r=0.82	22yrs	196
How cool Mark Rober YouTube video titles are	r=0.88	13yrs	187
Gasoline pumped in Micronesia	r=0.86	22yrs	186
US milk fat used to produce cheese (excluding cottage cheese)	r=0.82	22yrs	186
The number of colelge chemistry teachers in Virginia	r=0.83	20yrs	186
Popularity of the first name Wesley	r=0.75	43yrs	185
Altria Group's stock price (MO)	r=0.81	22yrs	184
Petroluem consumption in Timor-Leste	r=0.88	19yrs	176
US dairy skim solids used to produce whey products	r=0.83	22yrs	176
The number of medical assistants in Virginia	r=0.83	20yrs	176
Average views of Tom Scott's YouTube videos	r=0.86	15yrs	176
Popularity of the first name Ira	r=0.75	43yrs	175
Dominion Energy's stock price (D)	r=0.81	22yrs	174
Google searches for 'smol'	r=0.85	20yrs	170
Solar power generated in Belgium	r=0.86	18yrs	164
US milk fat used to produce dry milk products	r=0.81	22yrs	164
The number of physical therapists in Virginia	r=0.82	20yrs	164
Comcast's stock price (CMCSA)	r=0.8	22yrs	163
Solar power generated in Mali	r=0.9	12yrs	154
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.82	22yrs	154
Regeneron Pharmaceuticals' stock price (REGN)	r=0.8	22yrs	153
The average number of likes on The Game Theorists YouTube videos	r=0.85	15yrs	150
Google searches for 'President phone number'	r=0.8	20yrs	146
US dairy skim solids used to produce dry milk products	r=0.82	22yrs	144
Wind power generated in Lithuania	r=0.85	18yrs	143
Colgate-Palmolive Company's stock price (CL)	r=0.8	22yrs	143
The average number of likes on SmarterEveryDay YouTube videos	r=0.83	17yrs	138
Google searches for 'flights to Antarctica'	r=0.78	20yrs	134
3M Company's stock price (MMM)	r=0.8	22yrs	133
US dairy skim solids used to produce yogurt, nonfrozen	r=0.8	22yrs	132
Total likes of SmarterEveryDay YouTube videos	r=0.82	17yrs	127
Google searches for 'i have a headache'	r=0.81	20yrs	124
DTE Energy Company's stock price (DTE)	r=0.8	22yrs	123
Muenster cheese consumption	r=0.79	27yrs	114
The Coca-Cola Company's stock price (KO)	r=0.78	22yrs	84
The Walt Disney Company's stock price (DIS)	r=0.78	22yrs	74

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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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