Top variables that correlate with Air quality in Memphis

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Data source: Environmental Protection Agency
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Air quality in Memphis correlates with...

Variable	Correlation	Years	Sys. Score
Wind power generated in Venezuela	r=0.98	10yrs	404
Kerosene used in Mali	r=0.87	42yrs	357
Biomass power generated in Singapore	r=0.87	32yrs	350
US milk fat used to produce yogurt	r=0.88	22yrs	340
U.S. direct investment abroad	r=0.86	22yrs	338
US dairy skim solids used to produce yogurt, nonfrozen	r=0.86	22yrs	336
The number of building inspectors in Tennessee	r=0.87	20yrs	336
GMO use in corn	r=0.89	24yrs	330
Biomass power generated in Uruguay	r=0.87	32yrs	320
GMO use in cotton	r=0.85	23yrs	320
Food spending in Tennessee	r=0.86	24yrs	318
US household spending on healthcare	r=0.86	23yrs	318
US household spending on health insurance	r=0.86	23yrs	318
Wind power generated in New Zealand	r=0.87	30yrs	308
Wind power generated in Japan	r=0.86	30yrs	296
Electricity generation in Kazakhstan	r=0.86	30yrs	286
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.86	22yrs	286
Biomass power generated in Slovakia	r=0.86	29yrs	276
US average milk-fat content of yogurt, nonfrozen	r=0.85	22yrs	272
Gasoline pumped in Turkmenistan	r=0.86	30yrs	264
Automotive recalls issued by BMW of North America	r=0.76	43yrs	262
Average milk produced per cow in the US	r=0.74	43yrs	258
Automotive recalls for issues with the Electrical System	r=0.76	43yrs	258
Total number of automotive recalls	r=0.75	43yrs	258
Automotive recalls for issues with the Power Train	r=0.74	43yrs	255
Customer satisfaction with Dillard's	r=0.83	27yrs	254
Wind power generated in Latvia	r=0.85	26yrs	251
Automotive recalls issued by Hyundai Motor America	r=0.72	37yrs	250
Total number of live births in Australia	r=0.83	43yrs	248
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.78	43yrs	247
Patents granted in the US	r=0.78	41yrs	246
Automotive recalls issued by Mercedes-Benz USA	r=0.65	43yrs	246
Automotive recalls issued by Honda	r=0.65	43yrs	246
Customer satisfaction with Southwest Airlines	r=0.77	28yrs	246
Patents granted in the US	r=0.78	41yrs	244
Automotive recalls issued by Nissan North America	r=0.64	43yrs	244
Automotive recalls issued by Porsche	r=0.63	43yrs	243
Customer satisfaction with Apple	r=0.74	28yrs	242
Wind power generated in Czechia	r=0.87	22yrs	240
USA Population	r=0.77	43yrs	240
Automotive recalls for issues with the Air Bags	r=0.71	33yrs	240
Intel Corporation's annual revenue	r=0.79	36yrs	236
Number of Lawyers in the United States	r=0.76	34yrs	236
Inflation in the US	r=0.82	31yrs	235
US Annual Tax Revenue	r=0.74	42yrs	234
UFO sightings in Tennessee	r=0.69	42yrs	234
Number of households headed by single fathers in the United States	r=0.79	32yrs	233
Gender pay gap in the U.S.	r=0.78	32yrs	233
Budget for largest movie production	r=0.7	43yrs	232
Number of internet users	r=0.83	24yrs	232
Biomass power generated in India	r=0.86	23yrs	230
Popularity of the first name Graham	r=0.85	43yrs	230
Popularity of the first name Genevieve	r=0.85	43yrs	230
Popularity of the first name Lena	r=0.85	43yrs	230
Biomass power generated in Slovenia	r=0.86	23yrs	220
Jet fuel used in Sao Tome and Principe	r=0.85	22yrs	204
Popularity of the first name Henry	r=0.84	43yrs	198
Popularity of the first name Levi	r=0.84	43yrs	188
Annual Revenue of Walt Disney Company	r=0.77	32yrs	182
US production of yogurt, nonfrozen	r=0.83	22yrs	178
Popularity of the first name Evelyn	r=0.84	43yrs	178
Number of firearms manufactured in the US	r=0.77	36yrs	177
Super Bowl TV viewership	r=0.75	33yrs	171
US production of sour cream	r=0.83	22yrs	168
Popularity of the first name Lucy	r=0.84	43yrs	168
US Shoe Store Sales	r=0.79	30yrs	165
Total Sales at Clothing and Accessories Stores	r=0.76	31yrs	159
Popularity of the first name Elliot	r=0.84	43yrs	158
US production of cheese (other than cottage cheese)	r=0.82	22yrs	156
Total budget of Marvel comic-based films released	r=0.72	35yrs	152
Popularity of the first name Sawyer	r=0.84	43yrs	148
Christmas Price Index in the United States	r=0.76	31yrs	146
US milk fat used to produce cheese (excluding cottage cheese)	r=0.82	22yrs	146
Number of websites on the internet	r=0.75	28yrs	141
Popularity of the first name Silas	r=0.84	43yrs	138
Number of Registered Vehicles in the US	r=0.75	32yrs	136
US milk fat used to produce whey products (net)	r=0.82	22yrs	136
Total employee count at Continental AG	r=0.79	24yrs	130
Popularity of the first name Valentina	r=0.84	43yrs	128
US milk fat used to produce sour cream	r=0.82	22yrs	126
Global plane crashes	r=0.67	43yrs	124
Popularity of the first name Violet	r=0.84	43yrs	118
Butter consumption	r=0.83	32yrs	115
Biomass power generated in Brazil	r=0.84	42yrs	110
Popularity of the first name Delilah	r=0.84	43yrs	108
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.82	22yrs	104
Electricity generation in Equatorial Guinea	r=0.84	42yrs	100
Popularity of the first name Jude	r=0.84	43yrs	98
US dairy skim solids used to produce sour cream	r=0.82	22yrs	94
Fossil fuel use in Equatorial Guinea	r=0.84	42yrs	90
Popularity of the first name Stella	r=0.84	43yrs	88
US production of butter	r=0.8	22yrs	83
Biomass power generated in Italy	r=0.84	42yrs	80
Popularity of the first name Leighton	r=0.84	43yrs	78
US production of dry milk products (net)	r=0.8	22yrs	73
Geothermal power generated in New Zealand	r=0.84	42yrs	70
Popularity of the first name Camilla	r=0.84	43yrs	68
Biomass power generated in Poland	r=0.84	42yrs	60
Popularity of the first name Liam	r=0.83	43yrs	57
Popularity of the first name Amelia	r=0.83	43yrs	47
Popularity of the first name Josiah	r=0.83	43yrs	37

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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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