Top variables that correlate with Air quality in Chattanooga, Tennessee

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Data source: Environmental Protection Agency
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Air quality in Chattanooga, Tennessee correlates with...

Variable	Correlation	Years	Sys. Score
Number of Walmart stores worldwide	r=0.93	15yrs	374
Biomass power generated in Burma	r=0.92	17yrs	372
Solar power generated in Greece	r=0.91	18yrs	372
Solar power generated in Libya	r=0.94	12yrs	370
Customer satisfaction with Delta Airlines	r=0.85	28yrs	363
Total likes of SmarterEveryDay YouTube videos	r=0.89	17yrs	362
Biogen's stock price (BIIB)	r=0.88	22yrs	360
The average number of likes on SmarterEveryDay YouTube videos	r=0.87	17yrs	360
How cool SmarterEveryDay YouTube video titles are	r=0.92	17yrs	357
Popularity of the 'drake' meme	r=0.88	18yrs	344
Global Apple iPhone Sales in Q3	r=0.92	12yrs	336
Revenue of US Broadcasting Industry	r=0.87	17yrs	334
The number of operations research analysts in Tennessee	r=0.85	20yrs	334
How good SmarterEveryDay YouTube video titles are	r=0.91	17yrs	326
US household spending on healthcare	r=0.88	23yrs	321
US household spending on health insurance	r=0.87	23yrs	320
US average dairy skim-solid content of yogurt, nonfrozen	r=0.89	22yrs	318
GMO use in cotton in Tennessee	r=0.87	18yrs	318
US household spending on rented dwellings	r=0.86	23yrs	318
Wind power generated in Tunisia	r=0.89	22yrs	313
Biomass power generated in Latvia	r=0.89	21yrs	302
Patents granted to Apple	r=0.89	12yrs	302
Google searches for 'Smores'	r=0.85	16yrs	301
Percentage of Americans with social media profiles	r=0.86	14yrs	300
Biomass power generated in Lithuania	r=0.88	21yrs	290
Viewership of "The Big Bang Theory"	r=0.86	12yrs	282
How professional-sounding SmarterEveryDay YouTube video titles are	r=0.88	17yrs	281
Petroluem consumption in Micronesia	r=0.89	22yrs	280
North American digital comic sales volume	r=0.85	13yrs	276
Jet fuel used in Micronesia	r=0.89	22yrs	270
How 'hip and with it' SmarterEveryDay YouTube video titles are	r=0.86	17yrs	268
Solar power generated in Angola	r=0.93	12yrs	259
Google searches for 'how to immigrate to canada'	r=0.82	20yrs	250
Solar power generated in Belgium	r=0.88	18yrs	248
Dominion Energy's stock price (D)	r=0.82	22yrs	246
Customer satisfaction with American Airlines	r=0.76	28yrs	244
Comcast's stock price (CMCSA)	r=0.8	22yrs	243
Customer satisfaction with United Airlines	r=0.74	28yrs	242
Solar power generated in Cuba	r=0.85	23yrs	238
Biomass power generated in Nigeria	r=0.86	22yrs	228
Google searches for 'two day shipping'	r=0.84	20yrs	228
The number of industrial production managers in Tennessee	r=0.84	20yrs	227
The number of veterinarians in Tennessee	r=0.83	20yrs	226
US production of dry milk products (net)	r=0.81	22yrs	224
US milk fat used to produce dry milk products	r=0.81	22yrs	224
US Wind Power Generation Capacity	r=0.78	23yrs	221
Biomass power generated in Papua New Guinea	r=0.86	22yrs	218
The distance between Saturn and Mercury	r=0.73	44yrs	216
The distance between Saturn and the Sun	r=0.72	44yrs	214
The distance between Saturn and Earth	r=0.72	44yrs	214
Verizon Communications' stock price (VZ)	r=0.8	22yrs	213
Popularity of the first name Frances	r=0.72	43yrs	210
Popularity of the first name Wesley	r=0.7	43yrs	208
Popularity of the first name Louis	r=0.7	43yrs	208
Annual US household spending on health insurance	r=0.83	23yrs	208
Solar power generated in Bulgaria	r=0.91	13yrs	207
Annual US household spending on healthcare	r=0.8	23yrs	204
Bristol-Myers Squibb's stock price (BMY)	r=0.8	22yrs	203
Annual US household spending on rented dwellings	r=0.79	23yrs	202
Total views on Tom Scott's YouTube videos	r=0.88	15yrs	199
Google searches for 'buy a house'	r=0.84	20yrs	198
Liquefied petroleum gas used in Niger	r=0.87	22yrs	197
3M Company's stock price (MMM)	r=0.8	22yrs	193
US dairy skim solids used to produce dry milk products	r=0.81	22yrs	193
Petroluem consumption in Timor-Leste	r=0.89	19yrs	187
The distance between Saturn and the moon	r=0.72	44yrs	184
Kimberly-Clark's stock price (KMB)	r=0.8	22yrs	183
Popularity of the first name Franklin	r=0.7	43yrs	178
Geothermal power generated in Germany	r=0.87	18yrs	176
Google searches for 'President phone number'	r=0.8	20yrs	176
How insightful SmarterEveryDay YouTube video titles are	r=0.85	17yrs	176
PPG Industries' stock price (PPG)	r=0.8	22yrs	173
The distance between Saturn and Venus	r=0.67	44yrs	167
Popularity of the first name Blair	r=0.69	43yrs	166
Google searches for 'cat memes'	r=0.85	20yrs	163
US average dairy skim-solid content of yogurt, nonfrozen	r=0.81	22yrs	162
Average length of Tom Scott's YouTube videos	r=0.85	15yrs	160
US Bottled Water Consumption per Person	r=0.77	24yrs	156
Popularity of the first name Lewis	r=0.69	43yrs	156
Google searches for 'i have the flu'	r=0.79	20yrs	151
Total length of Tom Scott's YouTube videos	r=0.85	15yrs	150
Popularity of the first name Walter	r=0.66	43yrs	142
Total comments on SmarterEveryDay YouTube videos	r=0.84	17yrs	140
Google searches for 'i have a headache'	r=0.78	20yrs	140
The Walt Disney Company's stock price (DIS)	r=0.78	22yrs	134
Popularity of the first name Marjorie	r=0.66	43yrs	132
Solar power generated in Slovenia	r=0.88	14yrs	124
Gilead Sciences' stock price (GILD)	r=0.79	22yrs	122
Average number of comments on SmarterEveryDay YouTube videos	r=0.83	17yrs	118
Renewable energy production in Vanuatu	r=0.9	12yrs	114
Altria Group's stock price (MO)	r=0.78	22yrs	110
Colgate-Palmolive Company's stock price (CL)	r=0.78	22yrs	100
Baidu's stock price (BIDU)	r=0.81	18yrs	90
Fidelity National Information Services' stock price (FIS)	r=0.78	22yrs	80
Novartis AG's stock price (NVS)	r=0.77	22yrs	68
Electricity generation in Sierra Leone	r=0.73	42yrs	64
Amgen's stock price (AMGN)	r=0.77	22yrs	58
Realty Income's stock price (O)	r=0.77	22yrs	48
ONEOK's stock price (OKE)	r=0.77	22yrs	38
Dollar Tree's stock price (DLTR)	r=0.75	22yrs	28
Hormel Foods' stock price (HRL)	r=0.77	22yrs	18

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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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