Top variables that correlate with Air quality in Providence, Rhode Island

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Data source: Environmental Protection Agency
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Air quality in Providence, Rhode Island correlates with...

Variable	Correlation	Years	Sys. Score
Ticket prices at North American movie theaters	r=0.91	22yrs	378
Economic output of Washington metro area	r=0.91	21yrs	374
U.S. direct investment abroad	r=0.9	22yrs	374
US production of cheese (other than cottage cheese)	r=0.91	22yrs	374
US milk fat used to produce cheese (excluding cottage cheese)	r=0.91	22yrs	374
US production of sour cream	r=0.9	22yrs	373
Jet fuel used in Sao Tome and Principe	r=0.9	22yrs	372
Google searches for 'instagram'	r=0.92	13yrs	368
McDonald's stock price (MCD)	r=0.88	22yrs	364
US Bottled Water Consumption per Person	r=0.91	24yrs	362
Becton, Dickinson and Company's stock price (BDX)	r=0.88	22yrs	360
Yum! Brands' stock price (YUM)	r=0.87	22yrs	358
GMO use in cotton	r=0.9	23yrs	357
Annual US household spending on property taxes	r=0.92	23yrs	357
Annual US household spending on pets, toys, and hobbies	r=0.92	23yrs	357
US per-person consumption of bottled water	r=0.91	24yrs	356
Annual US household spending on housing	r=0.91	23yrs	356
Annual US household spending on rented dwellings	r=0.91	23yrs	356
Annual US household spending on utilities	r=0.91	23yrs	356
Annual US household spending on telephone services	r=0.91	23yrs	356
Annual US household spending on healthcare	r=0.91	23yrs	356
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.91	22yrs	343
Wind power generated in Czechia	r=0.88	22yrs	342
Adidas Group's Global Net Sales	r=0.89	23yrs	340
US Wind Power Generation Capacity	r=0.87	23yrs	340
Biomass power generated in India	r=0.86	23yrs	340
Total Revenue of the NFL Teams	r=0.87	20yrs	336
Total NBA League Revenue	r=0.86	21yrs	336
Google searches for 'i am dizzy'	r=0.86	20yrs	336
Google searches for 'do i need to go to the doctor'	r=0.86	20yrs	336
Patents granted to Mitsubishi	r=0.9	12yrs	333
GMO use in corn	r=0.89	24yrs	330
Hormel Foods' stock price (HRL)	r=0.87	22yrs	328
Average length of Numberphile YouTube videos	r=0.88	13yrs	327
Annual US household spending on health insurance	r=0.9	23yrs	324
GMO use in cotton	r=0.87	23yrs	322
Annual US household spending on food	r=0.89	23yrs	322
Annual US household spending on fresh fruits	r=0.89	23yrs	322
US Tree Nut Consumption per Person	r=0.87	22yrs	318
Chubb's stock price (CB)	r=0.86	22yrs	317
Associates degrees awarded in Multi/interdisciplinary studies	r=0.92	11yrs	316
Portion of all US dairy skim-solids allocated to the production of cheese (other than cottage cheese)	r=0.91	22yrs	313
Gasoline pumped in Kiribati	r=0.89	22yrs	310
Sempra's stock price (SRE)	r=0.86	22yrs	307
Google searches for 'tummy ache'	r=0.85	20yrs	305
Jet fuel used in Samoa	r=0.89	22yrs	300
WEC Energy Group's stock price (WEC)	r=0.86	22yrs	297
US milk fat used to produce sour cream	r=0.89	22yrs	292
Church & Dwight Co.'s stock price (CHD)	r=0.86	22yrs	287
Liquefied petroleum gas used in Maldives	r=0.89	18yrs	286
US dairy skim solids used to produce sour cream	r=0.89	22yrs	280
Markel's stock price (MKL)	r=0.87	22yrs	277
Jet fuel used in Germany, West	r=0.92	11yrs	274
Annual US household spending on fresh vegetables	r=0.89	23yrs	272
US production of butter	r=0.86	22yrs	267
Annual US household spending on electricity	r=0.89	23yrs	267
Canadian National Railway Company's stock price (CNI)	r=0.85	22yrs	266
Annual US household spending on housekeeping supplies	r=0.89	23yrs	262
US milk fat used to produce butter	r=0.86	22yrs	257
Annual US household spending on entertainment	r=0.89	23yrs	257
Realty Income's stock price (O)	r=0.85	22yrs	256
Google searches for 'restaurant near me'	r=0.89	13yrs	254
Annual US household spending on dairy products	r=0.88	23yrs	251
Automotive recalls issued by Keystone RV Company	r=0.78	25yrs	248
US milk fat used to produce whey products (net)	r=0.86	22yrs	247
Brown-Forman's stock price (BF.A)	r=0.85	22yrs	246
Annual US household spending on fruits and vegetables	r=0.88	23yrs	246
Annual US household spending on laundry and cleaning supplies	r=0.88	23yrs	241
CGI Inc.'s stock price (GIB)	r=0.85	22yrs	236
US dairy skim solids used to produce butter	r=0.86	22yrs	236
Annual US household spending on other household products	r=0.88	23yrs	236
Annual US household spending on medical services	r=0.88	23yrs	231
Eversource Energy's stock price (ES)	r=0.85	22yrs	226
Annual US household spending on medical supplies	r=0.87	23yrs	225
Annual US household spending on education	r=0.89	21yrs	220
The Travelers Companies' stock price (TRV)	r=0.85	22yrs	214
Annual US household spending on processed vegetables	r=0.86	23yrs	213
US average milk-fat content of cheese (other than cottage cheese)	r=0.9	22yrs	210
Google searches for 'i have a headache'	r=0.84	20yrs	208
US household spending on healthcare	r=0.86	23yrs	208
US household spending on health insurance	r=0.86	23yrs	203
US average dairy skim-solid content of fluid beverage milk	r=0.87	22yrs	196
US average dairy skim-solid content of cheese (other than cottage cheese)	r=0.85	22yrs	182
Nuclear power generation in Canada	r=0.8	42yrs	174
Hydopower energy generated in Burundi	r=0.79	42yrs	163
Renewable energy production in Burundi	r=0.78	42yrs	152
Geothermal power generated in United States	r=0.78	42yrs	142
Electricity generation in Somalia	r=0.76	42yrs	128
Biomass power generated in Sri Lanka	r=0.86	17yrs	124
Fossil fuel use in Somalia	r=0.76	42yrs	118
Nuclear power generation in Argentina	r=0.75	42yrs	107
The Coca-Cola Company's stock price (KO)	r=0.84	22yrs	104
Petroluem consumption in Mauritania	r=0.76	42yrs	96
Dollar Tree's stock price (DLTR)	r=0.85	22yrs	94
Liquefied petroleum gas used in Saudi Arabia	r=0.76	42yrs	86
Lockheed Martin's stock price (LMT)	r=0.84	22yrs	82
Fossil fuel use in Guinea-Bissau	r=0.73	42yrs	74
Johnson & Johnson's stock price (JNJ)	r=0.85	22yrs	70
Fossil fuel use in Saint Pierre and Miquelon	r=0.73	42yrs	64
PepsiCo's stock price (PEP)	r=0.85	22yrs	60
Petroluem consumption in Guinea-Bissau	r=0.75	42yrs	44

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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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