Top variables that correlate with Air quality in Michigan City, Indiana

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Data source: Environmental Protection Agency
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Air quality in Michigan City, Indiana correlates with...

Variable	Correlation	Years	Sys. Score
Ticket prices at North American movie theaters	r=0.91	22yrs	378
U.S. direct investment abroad	r=0.9	22yrs	374
The number of consultants in Indiana	r=0.92	20yrs	374
Wind power generated in Czechia	r=0.9	22yrs	374
US production of cheese (other than cottage cheese)	r=0.9	22yrs	373
US milk fat used to produce cheese (excluding cottage cheese)	r=0.9	22yrs	373
Economic output of Washington metro area	r=0.9	21yrs	372
US dairy skim solids used to produce cheese (other than cottage cheese)	r=0.9	22yrs	372
Adidas Group's Global Net Sales	r=0.9	23yrs	371
Total Revenue of the NFL Teams	r=0.9	20yrs	371
Wind power generated in Uruguay	r=0.91	14yrs	368
Cognizant Technology Solutions' stock price (CTSH)	r=0.87	22yrs	358
GMO use in cotton	r=0.9	23yrs	357
Dominion Energy's stock price (D)	r=0.86	22yrs	357
Annual US household spending on rented dwellings	r=0.92	23yrs	357
Delta Airlines' stock price (DAL)	r=0.88	16yrs	356
Annual US household spending on telephone services	r=0.91	23yrs	356
Annual US household spending on healthcare	r=0.91	23yrs	356
Annual US household spending on health insurance	r=0.91	23yrs	356
Annual US household spending on fresh vegetables	r=0.9	23yrs	354
Biomass power generated in Uruguay	r=0.86	32yrs	348
US Wind Power Generation Capacity	r=0.89	23yrs	342
Total employee count at Continental AG	r=0.86	24yrs	340
The number of restaurant cooks in Indiana	r=0.89	20yrs	340
The number of OSHA specialists in Indiana	r=0.89	19yrs	338
Annual Revenue of the Lego Group	r=0.86	20yrs	335
Global annual electricity generation	r=0.87	18yrs	334
GMO use in corn	r=0.9	24yrs	331
Popularity of the first name Dean	r=0.87	33yrs	328
Popularity of the first name Oliver	r=0.87	33yrs	328
Popularity of the first name Conrad	r=0.87	33yrs	328
Ryanair Holdings' stock price (RYAAY)	r=0.85	22yrs	326
Annual US household spending on fresh fruits	r=0.9	23yrs	324
The number of movies Lupita Nyong'o appeared in	r=0.89	16yrs	323
US per-person consumption of bottled water	r=0.88	24yrs	322
Customer satisfaction with T-Mobile	r=0.85	17yrs	322
Annual US household spending on laundry and cleaning supplies	r=0.89	23yrs	322
US household spending on rented dwellings	r=0.89	23yrs	322
US household spending on healthcare	r=0.89	23yrs	322
US household spending on health insurance	r=0.89	23yrs	322
US average milk-fat content of cheese (other than cottage cheese)	r=0.9	22yrs	320
Wind power generated in France	r=0.87	29yrs	317
Electricity generation in Rwanda	r=0.85	32yrs	307
The number of customer service representatives in Indiana	r=0.87	20yrs	306
US production of sour cream	r=0.88	22yrs	300
Biomass power generated in Slovakia	r=0.87	29yrs	297
Popularity of the first name Felix	r=0.86	33yrs	296
The number of personal financial advisors in Indiana	r=0.86	20yrs	295
Jet fuel used in Ethiopia	r=0.87	32yrs	287
US milk fat used to produce yogurt	r=0.86	22yrs	287
Popularity of the first name Elliot	r=0.86	33yrs	286
The number of massage therapists in Indiana	r=0.85	20yrs	284
US milk fat used to produce sour cream	r=0.86	22yrs	277
Wind power generated in Faroe Islands	r=0.86	29yrs	276
Popularity of the first name Elliott	r=0.86	33yrs	276
The number of medical assistants in Indiana	r=0.85	20yrs	274
Annual US household spending on food	r=0.88	23yrs	271
Annual US household spending on eggs	r=0.88	23yrs	266
Electricity generation in Georgia	r=0.86	30yrs	266
US production of butter	r=0.85	22yrs	266
Popularity of the first name Everett	r=0.86	33yrs	266
The number of registered nurses in Indiana	r=0.86	18yrs	263
Annual US household spending on fruits and vegetables	r=0.88	23yrs	261
US Bottled Water Consumption per Person	r=0.88	24yrs	258
Automotive recalls issued by Volkswagen Group of America	r=0.79	33yrs	257
Popularity of the first name Raphael	r=0.86	33yrs	256
Annual US household spending on housing	r=0.88	23yrs	256
Biomass power generated in Ireland	r=0.86	29yrs	256
US production of dry milk products (net)	r=0.85	22yrs	256
Automotive recalls for issues with the Electrical System	r=0.79	33yrs	252
Automotive recalls issued by Mercedes-Benz USA	r=0.76	33yrs	252
Google searches for 'flights to Antarctica'	r=0.83	20yrs	252
Popularity of the first name Beatrice	r=0.86	33yrs	246
Gasoline pumped in Morocco	r=0.86	32yrs	246
US milk fat used to produce butter	r=0.85	22yrs	246
Popularity of the first name Asher	r=0.86	33yrs	236
US milk fat used to produce whey products (net)	r=0.85	22yrs	236
Wind power generated in Canada	r=0.85	30yrs	235
Popularity of the first name Hazel	r=0.86	33yrs	226
US dairy skim solids used to produce sour cream	r=0.86	22yrs	226
Liquefied petroleum gas used in Belgium	r=0.85	33yrs	225
Popularity of the first name Emery	r=0.86	33yrs	216
Wind power generated in Poland	r=0.86	27yrs	214
US dairy skim solids used to produce butter	r=0.85	22yrs	214
CVS stock price (CVS)	r=0.84	22yrs	212
Popularity of the first name Leighton	r=0.86	33yrs	206
Biomass power generated in Thailand	r=0.86	27yrs	204
US dairy skim solids used to produce dry milk products	r=0.85	22yrs	204
Popularity of the first name Weston	r=0.85	33yrs	195
Jet fuel used in Mali	r=0.85	32yrs	194
US dairy skim solids used to produce yogurt, nonfrozen	r=0.85	22yrs	194
Popularity of the first name Warren	r=0.85	33yrs	185
Biomass power generated in India	r=0.88	23yrs	182
Popularity of the first name Aurora	r=0.85	33yrs	175
Gasoline pumped in Bhutan	r=0.87	27yrs	172
Popularity of the first name Jameson	r=0.85	33yrs	165
Wind power generated in Switzerland	r=0.85	26yrs	161
Popularity of the first name Ellis	r=0.85	33yrs	155
Hydopower energy generated in Greenland	r=0.86	23yrs	150
Popularity of the first name Bo	r=0.85	33yrs	145
Popularity of the first name Violet	r=0.85	33yrs	135

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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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