Top variables that correlate with Air quality in Iowa City

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Data source: Environmental Protection Agency
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Air quality in Iowa City correlates with...

Variable	Correlation	Years	Sys. Score
Electricity generation in Czechia	r=0.86	29yrs	346
Liquefied petroleum gas used in Slovenia	r=0.86	31yrs	344
Highway diesel consumption in US	r=0.88	20yrs	315
Total likes of SciShow Space YouTube videos	r=0.89	10yrs	306
How geeky SciShow Space YouTube video titles are	r=0.89	10yrs	266
How fun SciShow Space YouTube video titles are	r=0.88	10yrs	264
Automotive recalls for issues with the Tires	r=0.64	43yrs	240
Geothermal power generated in Costa Rica	r=0.84	30yrs	238
Total Sales at Clothing and Accessories Stores	r=0.73	31yrs	224
Inflation in the US	r=0.71	31yrs	218
US Highway Vehicle Gasoline Consumption	r=0.82	29yrs	213
Electricity generation in Bosnia and Herzegovina	r=0.81	30yrs	204
Popularity of the first name Tyson	r=0.66	43yrs	202
Jet fuel used in Somalia	r=0.75	42yrs	194
Customer satisfaction with Verizon	r=-0.82	28yrs	192
Customer satisfaction with Frontier Communications	r=-0.8	28yrs	190
Torii Hunter's Hit Count	r=0.8	18yrs	186
Number of Registered Vehicles in the US	r=0.67	32yrs	184
Fossil fuel use in Bosnia and Herzegovina	r=0.79	30yrs	181
Carjackings in the US	r=-0.78	27yrs	174
Popularity of the first name Dalvin	r=-0.91	43yrs	174
Popularity of the first name Montel	r=-0.91	43yrs	174
Robberies in Iowa	r=-0.66	38yrs	172
Customer satisfaction with Apple	r=0.59	28yrs	169
Geothermal power generated in Russia	r=0.77	30yrs	168
Number of public school students in 11th grade	r=0.67	33yrs	168
Number of public school students in 12th grade	r=0.67	33yrs	168
Number of highschoolers in the US	r=0.66	33yrs	166
The number of landscape architects in Iowa	r=0.75	20yrs	164
US imports of non-edible fishery product	r=0.76	17yrs	162
Google searches for 'headache remedies'	r=0.73	20yrs	162
Customer satisfaction with Verizon	r=0.71	18yrs	162
China's Annual Passenger Car Production	r=0.74	18yrs	160
Google searches for 'how to make baby'	r=0.72	20yrs	160
Number of households headed by single fathers in the United States	r=0.63	32yrs	159
US Biomass Energy Production	r=0.74	17yrs	159
The number of physician assistants in Iowa	r=0.72	20yrs	159
The number of medical assistants in Iowa	r=0.72	20yrs	159
Liquefied petroleum gas used in Vanuatu	r=0.78	31yrs	158
Customer satisfaction with Motorola	r=0.68	18yrs	158
Customer satisfaction with AT&T	r=0.68	18yrs	158
Viewership of Doctor Who season finale	r=0.5	43yrs	156
Google searches for 'cia hotline'	r=-0.8	20yrs	156
Customer satisfaction with TJ Maxx	r=0.7	14yrs	156
Violent crime rates	r=-0.6	38yrs	156
Customer satisfaction with Sam's Club	r=0.61	25yrs	154
Frozen yogurt consumption	r=-0.7	32yrs	150
Customer satisfaction with Walmart	r=-0.71	27yrs	150
Average SAT score in math	r=0.51	33yrs	150
Customer satisfaction with T-Mobile	r=0.63	17yrs	149
Electricity generation in Namibia	r=0.78	27yrs	146
Visitors to Universal Orlando's Islands of Adventure	r=0.6	15yrs	146
Mozzarella cheese consumption	r=0.67	27yrs	146
Yogurt consumption	r=0.62	32yrs	144
Average number of comments on CGP Grey YouTube videos	r=0.76	13yrs	139
Popularity of the first name Devonte	r=-0.85	43yrs	138
Biomass power generated in Russia	r=0.76	30yrs	136
Number of public school students in 10th grade	r=0.63	33yrs	132
Popularity of the first name Devonta	r=-0.88	41yrs	128
Total comments on SciShow Space YouTube videos	r=0.77	10yrs	128
The number of agricultural equipment operators in Iowa	r=0.71	20yrs	128
Jet fuel used in Turkmenistan	r=0.78	30yrs	126
Google searches for 'how to make baby'	r=0.69	20yrs	126
Popularity of the first name Shaquan	r=-0.86	43yrs	118
The number of court and municipal clerks in Iowa	r=0.7	20yrs	116
Renewable energy production in Zimbabwe	r=0.67	42yrs	115
Italian-type cheese consumption	r=0.65	27yrs	113
Google searches for 'i have the flu'	r=0.62	20yrs	110
Total likes of Mark Rober YouTube videos	r=-0.89	13yrs	109
Popularity of the first name Juwan	r=-0.84	43yrs	106
Annual Revenue of Walt Disney Company	r=0.6	32yrs	106
Hydopower energy generated in Zimbabwe	r=0.67	42yrs	105
Gasoline Prices in the US	r=0.59	33yrs	101
Total length of SciShow Space YouTube videos	r=0.69	10yrs	96
Gasoline pumped in Trinidad and Tobago	r=0.69	42yrs	95
Popularity of the first name Tori	r=-0.81	43yrs	94
Number of Lawyers in the United States	r=0.54	34yrs	94
Google searches for 'flights to Antarctica'	r=0.54	20yrs	93
US Shoe Store Sales	r=0.61	30yrs	87
Petroluem consumption in Turkmenistan	r=0.77	30yrs	85
Popularity of the first name Austen	r=-0.82	43yrs	84
Gender pay gap in the U.S.	r=0.57	32yrs	82
The average number of likes on SciShow Space YouTube videos	r=0.67	10yrs	82
Number of internet users	r=0.63	24yrs	77
Liquefied petroleum gas used in Turkmenistan	r=0.77	30yrs	75
Popularity of the first name Tylor	r=-0.82	43yrs	74
Total comments on CGP Grey YouTube videos	r=0.63	13yrs	70
Popularity of the first name Celina	r=-0.81	43yrs	64
Electricity generation in Germany	r=0.73	31yrs	63
Popularity of the first name Myranda	r=-0.82	43yrs	54
Gasoline pumped in Cabo Verde	r=0.77	28yrs	53
Popularity of the first name Dequan	r=-0.82	43yrs	44
Nuclear power generation in Czechia	r=0.74	29yrs	42
Popularity of the first name Courtland	r=-0.81	43yrs	34
Jet fuel used in Bahrain	r=0.66	42yrs	30
Popularity of the first name Taylor	r=-0.79	43yrs	22
Popularity of the first name Tayler	r=-0.8	43yrs	12
Popularity of the first name Marquise	r=-0.79	43yrs	2
Popularity of the first name Daquan	r=-0.79	43yrs	-8
Popularity of the first name Kelsea	r=-0.79	43yrs	-18
Popularity of the first name Raheem	r=-0.8	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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