Top variables that correlate with Air quality in Ann Arbor

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

Variable	Correlation	Years	Sys. Score
Total likes of SciShow Space YouTube videos	r=0.88	10yrs	304
Patents granted to Amazon	r=0.86	9yrs	259
Customer satisfaction with Southwest Airlines	r=0.72	28yrs	208
Total employee count at Continental AG	r=0.74	24yrs	188
Total Federal Construction Expenditure in the United States	r=0.73	24yrs	184
Petroluem consumption in Kazakhstan	r=0.66	30yrs	178
Automotive recalls issued by Keystone RV Company	r=0.63	25yrs	175
Total length of SciShow Space YouTube videos	r=0.8	10yrs	172
Jet fuel used in Gambia	r=0.73	22yrs	161
Jet fuel used in Sao Tome and Principe	r=0.73	22yrs	161
US milk fat used to produce sour cream	r=0.71	22yrs	160
Hollister retail store count worldwide	r=0.7	23yrs	159
US dairy skim solids used to produce sour cream	r=0.71	22yrs	158
Average number of comments on CGP Grey YouTube videos	r=0.68	13yrs	157
Customer satisfaction with Costco	r=0.64	22yrs	156
Customer satisfaction with T-Mobile	r=0.67	17yrs	155
US production of yogurt, nonfrozen	r=0.66	22yrs	152
Customer satisfaction with HP	r=0.53	28yrs	145
Customer satisfaction with Kroger	r=0.52	27yrs	142
US household spending on pets, toys, and hobbies	r=0.7	23yrs	139
GMO use in soybeans	r=0.65	23yrs	138
GMO use in soybeans	r=0.65	23yrs	138
Banco Bradesco's stock price (BBD)	r=0.53	22yrs	138
Customer satisfaction with JCPenney	r=0.49	27yrs	138
Annual US household spending on laundry and cleaning supplies	r=0.69	23yrs	138
US household spending on property taxes	r=0.69	23yrs	138
U.S. direct investment abroad	r=0.64	22yrs	136
GMO use in cotton	r=0.66	23yrs	136
Number of edits to the Wikipedia article for Confirmation bias	r=0.49	21yrs	135
Organic Food Sales Volume in the United States	r=0.72	13yrs	134
The number of university engineering teachers in Michigan	r=0.65	20yrs	134
Number of edits to the Wikipedia article for Dunning Kruger effect	r=0.5	18yrs	134
Annual US household spending on electricity	r=0.65	23yrs	132
Jet fuel used in Dominica	r=0.72	22yrs	130
Annual US household spending on pets, toys, and hobbies	r=0.64	23yrs	130
Number of edits to the Wikipedia article for Persephone	r=0.45	22yrs	130
Master's degrees awarded in consumer sciences	r=0.8	10yrs	129
Customer satisfaction with AT&T	r=0.49	18yrs	129
Economic output of Washington metro area	r=0.61	21yrs	128
Number of active magazines in the United States	r=0.66	15yrs	128
Instructor salaries in the US	r=0.54	13yrs	128
Ticket prices at North American movie theaters	r=0.57	22yrs	126
Frank Lampard's appearances for the England national team	r=0.63	18yrs	126
The average number of likes on Deep Look YouTube videos	r=0.68	10yrs	124
Adidas Group's Global Net Sales	r=0.59	23yrs	124
UK Service Retail Price Index	r=0.6	19yrs	124
Total viewership of the Aviva Premiership Rugby final	r=0.65	14yrs	124
Internet Access Rate among US Citizens	r=0.57	23yrs	124
The number of anthropology and archeology teachers in Michigan	r=0.59	20yrs	124
Total Revenue of the NFL Teams	r=0.58	20yrs	123
US milk fat used to produce yogurt	r=0.66	22yrs	122
Liquefied petroleum gas used in Gambia	r=0.72	22yrs	120
Yearly Total Gross Income of US Farms	r=0.53	23yrs	120
The number of cardiovascular technicians in Michigan	r=0.56	20yrs	120
The marriage rate in Michigan	r=-0.65	23yrs	119
Total comments on CGP Grey YouTube videos	r=0.63	13yrs	110
Biomass power generated in Slovenia	r=0.68	23yrs	108
GMO use in soybeans in Michigan	r=0.64	23yrs	106
Average number of comments on Deep Look YouTube videos	r=0.65	10yrs	100
Kerosene used in Turkmenistan	r=0.64	30yrs	96
US production of sour cream	r=0.65	22yrs	96
GMO use in soybeans in Michigan	r=0.64	23yrs	96
The average number of likes on AsapSCIENCE YouTube videos	r=0.63	12yrs	88
Wind power generated in Czechia	r=0.66	22yrs	84
US production of evaporated and condensed milk	r=0.64	22yrs	84
Total comments on Deep Look YouTube videos	r=0.64	10yrs	78
Biomass power generated in Rwanda	r=0.66	22yrs	74
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.68	22yrs	74
US Undergraduate Enrollment	r=0.55	23yrs	72
Number of registered Yamaha motorcycles in the UK	r=0.56	22yrs	67
Jet fuel used in Samoa	r=0.68	22yrs	64
US average dairy skim-solid content of cheese (other than cottage cheese)	r=0.69	22yrs	64
Average number of comments on AsapSCIENCE YouTube videos	r=0.58	12yrs	61
US milk fat used to produce whey products (net)	r=0.63	22yrs	52
Petroluem consumption in Moldova	r=0.61	30yrs	51
Total likes of CGP Grey YouTube videos	r=0.56	13yrs	49
US production of cheese (other than cottage cheese)	r=0.62	22yrs	41
Petroluem consumption in Latvia	r=0.6	31yrs	40
Total comments on PBS Space Time YouTube videos	r=0.62	9yrs	34
US production of butter	r=0.61	22yrs	30
Biomass power generated in Angola	r=0.78	8yrs	22
Total comments on SciShow Space YouTube videos	r=0.6	10yrs	22
US milk fat used to produce cheese (excluding cottage cheese)	r=0.61	22yrs	20
US milk fat used to produce butter	r=0.61	22yrs	10
The average number of likes on SciShow Space YouTube videos	r=0.58	10yrs	9
Wind power generated in Taiwan	r=0.64	22yrs	6
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.62	22yrs	0
Average number of comments on 3Blue1Brown YouTube videos	r=0.58	9yrs	-2
Geothermal power generated in Guatemala	r=0.61	24yrs	-7
Portion of all US dairy skim-solids allocated to the production of sour cream	r=0.66	22yrs	-11
Total comments on Casually Explained YouTube videos	r=0.57	9yrs	-14
Electricity generation in Palestinian Territories	r=0.63	21yrs	-17
US dairy skim solids used to produce butter	r=0.61	22yrs	-22
How nerdy 3Blue1Brown YouTube video titles are	r=0.76	9yrs	-25
Biomass power generated in India	r=0.61	23yrs	-28
US dairy skim solids used to produce yogurt, nonfrozen	r=0.61	22yrs	-32
Gasoline pumped in Kiribati	r=0.64	22yrs	-38
How good Extra History YouTube video titles are	r=0.7	12yrs	-41
US dairy skim solids used to produce evaporated and condensed milk	r=0.61	22yrs	-42
Wind power generated in Falkland Islands	r=0.6	22yrs	-50
Jet fuel used in Saint Kitts and Nevis	r=0.62	22yrs	-60

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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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