Top variables that correlate with Air pollution in Charlotte, North Carolina

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Data source: Environmental Protection Agency
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Air pollution in Charlotte, North Carolina correlates with...

Variable	Correlation	Years	Sys. Score
The divorce rate in North Carolina	r=0.93	23yrs	400
US average milk-fat content of cottage cheese	r=0.96	22yrs	389
US birth rates of triplets or more	r=0.9	20yrs	378
Physical album shipment volume in the United States	r=0.92	24yrs	378
U.S. intercountry adoptions	r=0.92	23yrs	377
The number of postmasters in North Carolina	r=0.93	20yrs	376
The number of cooks, short order in North Carolina	r=0.93	20yrs	376
The number of payroll and timekeeping clerks in North Carolina	r=0.93	20yrs	376
US household spending on clothin for women	r=0.94	23yrs	360
US household spending on clothing	r=0.93	23yrs	358
US household spending on clothing for men	r=0.91	23yrs	356
Portion of all US dairy skim-solids allocated to the production of fluid beverage milk	r=0.92	22yrs	353
Portion of all US dairy skim-solids allocated to the production of frozen dairy products	r=0.92	22yrs	353
Fossil fuel use in Czechia	r=0.87	29yrs	347
Google searches for 'report UFO sighting'	r=0.86	20yrs	342
Cigarette Smoking Rate for US adults	r=0.89	21yrs	340
Viewership count of American Idol Season Finale	r=0.86	21yrs	340
Google searches for 'learn spanish'	r=0.88	20yrs	340
Liquefied petroleum gas used in Greenland	r=0.89	22yrs	340
Google searches for 'oprah winfrey'	r=0.87	20yrs	338
Google searches for 'snoop dog'	r=0.87	20yrs	338
Geothermal power generated in Austria	r=0.89	17yrs	338
UK Public Library Count	r=0.91	12yrs	332
GMO use in cotton	r=0.9	23yrs	327
US average milk-fat content of milk fat and skim solids byproduct fluid beverage milk	r=0.92	22yrs	323
Global Per Capita Rice Consumption	r=0.9	20yrs	321
GMO use in cotton in North Carolina	r=0.85	23yrs	320
US household spending on postage and stationery	r=0.87	23yrs	320
US household spending on mortgage interest and charges	r=0.86	23yrs	318
US household spending on floor coverings	r=0.86	23yrs	318
US household spending on vehicle insurance	r=0.86	23yrs	318
US household spending on prescription drugs	r=0.85	23yrs	316
US average milk-fat content of frozen dairy products	r=0.91	22yrs	312
The number of typists in North Carolina	r=0.9	20yrs	311
xkcd comics published about romance	r=0.86	17yrs	308
Google searches for 'shook'	r=0.86	20yrs	306
United States music album sales	r=0.86	16yrs	301
The number of cutters and trimmers, hand in North Carolina	r=0.89	20yrs	300
Google searches for 'black holes'	r=0.86	20yrs	296
The number of switchboard operators in North Carolina	r=0.88	20yrs	288
US production of cottage cheese	r=0.86	22yrs	287
The number of professional painters in North Carolina	r=0.88	20yrs	278
US dairy skim solids used to produce cottage cheese	r=0.86	22yrs	276
The number of computer programmers in North Carolina	r=0.86	20yrs	266
The number of library assistants in North Carolina	r=0.87	20yrs	256
Google searches for 'desktop background'	r=0.85	17yrs	252
Lloyds Banking Group's stock price (LYG)	r=0.85	22yrs	250
AIG's stock price (AIG)	r=0.84	22yrs	249
Portion of all US dairy skim-solids allocated to the production of cottage cheese	r=0.88	22yrs	247
The marriage rate in North Carolina	r=0.82	23yrs	247
The number of postal service machine operators in North Carolina	r=0.87	20yrs	246
Citigroup's stock price (C)	r=0.82	22yrs	246
The number of sheet metal workers in North Carolina	r=0.87	20yrs	236
National Lacrosse Champions' Final Point	r=0.81	25yrs	228
Popularity of the first name Josh	r=0.83	43yrs	227
The number of floral designers in North Carolina	r=0.86	20yrs	225
Popularity of the first name Leslie	r=0.81	43yrs	224
Popularity of the first name Ben	r=0.81	43yrs	224
Orange's stock price (ORAN)	r=0.82	22yrs	216
The number of file clerks in North Carolina	r=0.85	20yrs	214
Kerosene used in Greece	r=0.82	42yrs	214
Deutsche Bank Aktiengesellschaft's stock price (DB)	r=0.82	22yrs	206
The number of brickmasons in North Carolina	r=0.85	20yrs	204
Fossil fuel use in Hungary	r=0.75	42yrs	197
HSBC Holdings' stock price (HSBC)	r=0.81	22yrs	194
Popularity of the first name Carmen	r=0.79	43yrs	191
Barclays' stock price (BCS)	r=0.81	22yrs	184
Kerosene used in El Salvador	r=0.75	42yrs	184
Popularity of the first name Elisha	r=0.77	43yrs	178
Nokia Oyj's stock price (NOK)	r=0.8	22yrs	173
Gasoline pumped in Croatia	r=0.8	30yrs	170
Google searches for 'panama canal'	r=0.84	20yrs	168
Popularity of the first name Nick	r=0.76	43yrs	166
Gasoline pumped in Czechia	r=0.8	30yrs	160
Google searches for 'Panama Canal'	r=0.82	20yrs	156
Popularity of the first name Jaylan	r=0.81	34yrs	155
US milk fat used to produce fluid beverage milk	r=0.85	22yrs	150
Jet fuel used in Fiji	r=0.72	42yrs	150
Popularity of the first name Nathan	r=0.74	43yrs	144
US production of fluid beverage milk	r=0.84	22yrs	139
Petroluem consumption in Croatia	r=0.79	30yrs	138
Popularity of the first name Jillian	r=0.74	43yrs	134
Kerosene used in United States	r=0.7	43yrs	128
Popularity of the first name Nina	r=0.74	43yrs	124
US dairy skim solids used to produce milk fat and skim solids byproduct fluid beverage milk	r=0.81	22yrs	123
Fossil fuel use in Netherlands Antilles	r=0.68	42yrs	116
Popularity of the first name Charity	r=0.74	43yrs	114
Jet fuel used in American Samoa	r=0.7	42yrs	106
Kerosene used globally	r=0.69	42yrs	95
The number of furniture finishers in North Carolina	r=0.85	20yrs	88
Hydopower energy generated in Denmark	r=0.66	42yrs	84
The number of meter readers, utilities in North Carolina	r=0.83	20yrs	76
Hydopower energy generated in Syria	r=0.64	42yrs	70
The number of data entry keyers in North Carolina	r=0.83	20yrs	66
Jet fuel used in Cuba	r=0.66	42yrs	60
The number of drywall and ceiling tile installers in North Carolina	r=0.83	20yrs	56
Gasoline pumped in Estonia	r=0.73	31yrs	50
The number of millwrights in North Carolina	r=0.83	20yrs	46
Petroluem consumption in France	r=0.65	43yrs	40
The number of tool and die makers in North Carolina	r=0.83	20yrs	36
Petroluem consumption in Switzerland	r=0.64	43yrs	28

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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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