Top variables that correlate with Air quality in Iron Mountain, Michigan

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Data source: Environmental Protection Agency
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Air quality in Iron Mountain, Michigan correlates with...

Variable	Correlation	Years	Sys. Score
Customer satisfaction with Rite Aid	r=0.96	6yrs	352
Votes for the Democratic Presidential candidate in Michigan	r=0.88	6yrs	262
Customer satisfaction with Dillard's	r=0.75	17yrs	182
Gasoline pumped in Comoros	r=0.85	13yrs	170
Google searches for 'how to hide a body'	r=0.8	7yrs	168
Customer satisfaction with Apple	r=0.67	17yrs	155
Gasoline pumped in Suriname	r=0.64	26yrs	152
Jet fuel used in Suriname	r=0.64	26yrs	152
Customer satisfaction with Southwest Airlines	r=0.62	17yrs	148
Customer satisfaction with USATODAY.com	r=0.67	9yrs	147
Google searches for 'velociraptor'	r=0.81	7yrs	146
Customer satisfaction with T-Mobile	r=0.75	6yrs	146
Asthma prevalence in American children	r=0.7	8yrs	144
Monolithic Power Systems' stock price (MPWR)	r=0.75	6yrs	144
The number of anthropology and archeology teachers in Michigan	r=0.8	8yrs	144
The number of amusement park attendants in Michigan	r=0.8	8yrs	144
Automotive recalls issued by Nissan North America	r=0.51	26yrs	143
Google searches for 'i have a headache'	r=0.72	7yrs	142
Automotive recalls issued by Hyundai Motor America	r=0.5	25yrs	140
The number of university economics teachers in Michigan	r=0.76	8yrs	140
Asthma prevalence in American children	r=0.67	8yrs	139
US milk fat used to produce evaporated and condensed milk	r=0.74	11yrs	138
Customer satisfaction with Customer Shipping	r=0.56	17yrs	138
Customer satisfaction with Costco	r=0.59	12yrs	138
Customer satisfaction with JCPenney	r=0.56	17yrs	138
Number of edits to the Wikipedia article for O.J. Simpson	r=0.68	6yrs	138
Number of edits to the Wikipedia article for bromance	r=0.68	6yrs	138
Number of edits to the Wikipedia article for Slippery slope	r=0.63	10yrs	135
Total Revenue of the NFL Teams	r=0.72	10yrs	134
Customer satisfaction with All Others	r=0.54	16yrs	134
Salesforce's stock price (CRM)	r=0.66	6yrs	131
Intuitive Surgical's stock price (ISRG)	r=0.63	9yrs	130
Votes for the Democratic Presidential candidate in Michigan	r=0.76	6yrs	129
Number of registered Yamaha motorcycles in the UK	r=0.67	11yrs	128
Annual Email Spam Rates	r=0.67	10yrs	126
Number of World of Warcraft Subscribers	r=0.74	6yrs	126
Automotive recalls issued by Keystone RV Company	r=0.55	13yrs	126
Number of edits to the Wikipedia article for Persephone	r=0.57	10yrs	126
Ticket prices at North American movie theaters	r=0.64	10yrs	125
Economic output of Washington metro area	r=0.66	10yrs	125
McDonald's American Customer Satisfaction Index Score	r=0.56	11yrs	124
Annual US household spending on personal care products and services	r=0.78	11yrs	124
Number of edits to the Wikipedia article for Confirmation bias	r=0.56	9yrs	124
Liquefied petroleum gas used in Uganda	r=0.67	22yrs	122
Hollister retail store count worldwide	r=0.63	11yrs	122
Number of times 12 was a winning Mega Millions number	r=0.56	9yrs	122
Asthma prevalence in American children	r=0.55	8yrs	121
Passing attempts by Drew Brees per NFL season	r=0.76	10yrs	120
Zdeno Chara's Seasonal Total Goal Assists	r=0.61	13yrs	120
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.48	26yrs	120
US production of yogurt, nonfrozen	r=0.62	11yrs	120
US milk fat used to produce cheese (excluding cottage cheese)	r=0.62	11yrs	120
Total viewership of the Aviva Premiership Rugby final	r=0.64	10yrs	119
Number of Botox Injections Administered to Women	r=0.59	14yrs	118
Jet fuel used in Indonesia	r=0.63	26yrs	110
Google searches for 'flights to Antarctica'	r=0.66	7yrs	108
The number of social work teachers in Michigan	r=0.72	8yrs	102
Kerosene used in Mali	r=0.63	26yrs	100
Google searches for 'sleepwalking'	r=0.76	7yrs	98
Amazon.com's stock price (AMZN)	r=0.6	9yrs	98
US milk fat used to produce yogurt	r=0.62	11yrs	90
Petroluem consumption in Panama	r=0.62	26yrs	88
Union Pacific's stock price (UNP)	r=0.61	9yrs	86
Customer satisfaction with Verizon	r=0.65	7yrs	82
Google searches for 'can texas secede from the union'	r=0.61	6yrs	80
The number of ushers in Michigan	r=0.69	8yrs	79
Apple's stock price (AAPL)	r=0.58	9yrs	75
Wind power generated in Ukraine	r=0.76	13yrs	74
Customer satisfaction with UPS	r=0.49	17yrs	73
US Undergraduate Enrollment	r=0.61	11yrs	68
Digital Realty Trust's stock price (DLR)	r=0.62	6yrs	65
Google searches for 'call of duty'	r=0.73	7yrs	64
Total Federal Construction Expenditure in the United States	r=0.6	12yrs	63
Geothermal power generated in Germany	r=0.78	7yrs	62
Customer satisfaction with Motorola	r=0.58	7yrs	62
The price of gold	r=0.48	26yrs	58
Gilead Sciences' stock price (GILD)	r=0.59	9yrs	54
Biomass power generated in Mauritius	r=0.75	12yrs	52
Google searches for 'where to buy bleach'	r=0.72	7yrs	52
Occidental Petroleum's stock price (OXY)	r=0.59	9yrs	44
Google searches for 'President phone number'	r=0.56	7yrs	42
Biomass power generated in Latvia	r=0.72	10yrs	36
McDonald's stock price (MCD)	r=0.55	9yrs	32
Google searches for 'no cap'	r=0.71	7yrs	31
Electricity generation in Palestinian Territories	r=0.72	10yrs	26
BHP Group's stock price (BHP)	r=0.58	9yrs	22
Biomass power generated in Slovenia	r=0.71	12yrs	16
ANSYs' stock price (ANSS)	r=0.58	9yrs	12
Solar power generated in Uganda	r=0.81	6yrs	5
EOG Resources' stock price (EOG)	r=0.57	9yrs	0
Wind power generated in Latvia	r=0.68	15yrs	-6
Seagen's stock price (SGEN)	r=0.58	9yrs	-10
Jet fuel used in Equatorial Guinea	r=0.71	11yrs	-18
Alphabet's stock price (GOOGL)	r=0.56	6yrs	-21
Gasoline pumped in Kiribati	r=0.7	11yrs	-30
Petróleo Brasileiro S.A. - Petrobras' stock price (PBR)	r=0.56	9yrs	-31
Colgate-Palmolive Company's stock price (CL)	r=0.56	9yrs	-41
Renewable energy production in Chile	r=0.57	26yrs	-41
Agnico Eagle Mines' stock price (AEM)	r=0.56	9yrs	-51
Biomass power generated in Mozambique	r=0.67	11yrs	-51
Gasoline pumped in Benin	r=0.59	26yrs	-61

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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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