Top variables that correlate with Air quality in Denver, Colorado

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Data source: Environmental Protection Agency
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Air quality in Denver, Colorado correlates with...

Variable	Correlation	Years	Sys. Score
Liquefied petroleum gas used in Former Czechoslovakia	r=0.92	13yrs	366
Geothermal power generated in United States	r=0.89	42yrs	363
Biomass power generated in United States	r=0.87	42yrs	360
Nuclear power generation in Spain	r=0.86	42yrs	328
Petroluem consumption in Guinea-Bissau	r=0.86	42yrs	316
Global count of operating nuclear power plants	r=0.83	43yrs	248
Average milk produced per cow in the US	r=0.66	43yrs	246
Popularity of the first name Camille	r=0.83	43yrs	227
Popularity of the first name Ivana	r=0.83	43yrs	227
The distance between Uranus and the Sun	r=0.79	44yrs	225
The distance between Uranus and Earth	r=0.79	44yrs	225
The distance between Uranus and the moon	r=0.79	44yrs	225
Popularity of the first name Caroline	r=0.81	43yrs	224
USA Population	r=0.63	43yrs	218
The number of movies Samuel L. Jackson appeared in	r=0.68	44yrs	214
Average number of milk cows in the United States	r=-0.85	43yrs	212
Nuclear power generation in France	r=0.83	42yrs	199
The distance between Uranus and Mercury	r=0.78	44yrs	194
Popularity of the first name Francesca	r=0.81	43yrs	194
Number of Slot Machines in Nevada	r=0.64	39yrs	194
Number of Las Vegas Hotel Room Check-Ins	r=0.68	34yrs	190
Petroluem consumption in U.S. Pacific Islands	r=0.85	42yrs	189
Budget for largest movie production	r=0.6	43yrs	187
Popularity of the first name Mohammad	r=0.81	43yrs	184
The distance between Uranus and Venus	r=0.77	44yrs	182
Automotive recalls issued by Chrysler	r=0.54	43yrs	180
Jet fuel used in U.S. Pacific Islands	r=0.85	42yrs	179
US Annual Tax Revenue	r=0.57	42yrs	178
Total number of automotive recalls	r=0.53	43yrs	175
Popularity of the first name Kaycee	r=0.8	43yrs	172
Automotive recalls for issues with the Power Train	r=0.52	43yrs	172
Automotive recalls for issues with the Child Seat	r=0.52	43yrs	172
Automotive recalls issued by BMW of North America	r=0.49	43yrs	172
Highest Nielsen rating for a TV show each year	r=-0.69	41yrs	171
Automotive recalls for issues with the Seats	r=0.51	43yrs	170
Electricity generation in Japan	r=0.82	42yrs	168
Automotive recalls for issues with the Seat Belts	r=0.49	43yrs	168
Patents granted in the US	r=0.57	41yrs	165
Popularity of the first name Katerina	r=0.8	43yrs	162
Customer satisfaction with Twitter	r=0.76	10yrs	162
Patents granted in the US	r=0.56	41yrs	160
Hotdogs consumed by Nathan's Hot Dog Eating Competition Champion	r=0.52	43yrs	158
UFO sightings in Colorado	r=0.52	42yrs	158
Associate Professor salaries in the US	r=0.68	13yrs	158
Electricity generation in Guam	r=0.81	42yrs	156
Total number of live births in Australia	r=0.53	43yrs	154
Automotive recalls issued by Honda	r=0.47	43yrs	154
Popularity of the first name Maxwell	r=0.79	43yrs	151
Automotive recalls for issues with Suspension	r=0.47	43yrs	150
Average temperature in Sydney	r=0.5	43yrs	150
Nuclear power generation in Hungary	r=0.82	40yrs	146
Automotive recalls for issues with Service Brakes, Hydraulic	r=0.45	43yrs	146
Number of times 13 was a winning Mega Millions number	r=0.54	22yrs	142
Professor salaries in the US	r=0.57	13yrs	142
Popularity of the first name Coral	r=0.79	43yrs	141
Burglaries in Colorado	r=-0.63	38yrs	140
Customer satisfaction with TJ Maxx	r=0.58	14yrs	138
The number of movies Robert De Niro appeared in	r=0.5	44yrs	138
Votes for the Democratic Presidential candidate in Colorado	r=0.71	11yrs	136
Public Library Website Visits in the UK	r=0.73	8yrs	135
Fossil fuel use in Guam	r=0.8	42yrs	134
Viewership count for Days of Our Lives	r=-0.57	42yrs	134
Boston Celtics' annual draft pick count	r=-0.59	43yrs	133
How clickbait-y OverSimplified YouTube video titles are	r=0.82	7yrs	132
Home Run Count for the Texas Rangers Team	r=0.48	43yrs	131
Popularity of the first name Harley	r=0.78	43yrs	130
Google searches for 'how to immigrate to canada'	r=0.45	20yrs	130
Patents granted to Google	r=0.69	11yrs	130
Google searches for 'President phone number'	r=0.45	20yrs	128
Assistant Processor salaries in the US	r=0.53	13yrs	126
Electricity generation in Paraguay	r=0.8	42yrs	124
Number of Mr Beast videos published	r=0.64	12yrs	124
The number of phlebotomists in Colorado	r=0.62	11yrs	122
Popularity of the first name Ali	r=0.78	43yrs	120
How 'hip and with it' Numberphile YouTube video titles are	r=0.7	13yrs	120
Hydopower energy generated in Paraguay	r=0.8	42yrs	114
Popularity of the first name Alanna	r=0.78	43yrs	110
The number of movies Tom Hanks appeared in	r=0.49	44yrs	106
Jet fuel used in Guinea-Bissau	r=0.82	42yrs	104
The distance between Neptune and Earth	r=-0.65	44yrs	102
Popularity of the first name Ishmael	r=0.78	43yrs	100
The number of movies Christopher Walken appeared in	r=0.51	41yrs	96
Liquefied petroleum gas used in Mexico	r=0.81	43yrs	94
The distance between Neptune and Mercury	r=-0.66	44yrs	92
Popularity of the first name Alek	r=0.78	43yrs	90
The average number of likes on CGP Grey YouTube videos	r=0.49	13yrs	88
Liquefied petroleum gas used in Portugal	r=0.81	43yrs	84
The distance between Neptune and the moon	r=-0.65	44yrs	82
Popularity of the first name Miriam	r=0.77	43yrs	78
Gasoline pumped in French Polynesia	r=0.81	42yrs	73
The distance between Neptune and the Sun	r=-0.64	44yrs	70
The number of movies Bette Davis appeared in	r=-0.58	44yrs	70
Popularity of the first name Wilson	r=0.77	43yrs	68
Petroluem consumption in Tonga	r=0.81	42yrs	63
Popularity of the first name Iman	r=0.77	43yrs	58
The number of movies Ben Affleck appeared in	r=0.48	43yrs	58
Electricity generation in Hong Kong	r=0.78	42yrs	52
Popularity of the first name Syed	r=0.77	43yrs	48
The distance between Uranus and Saturn	r=0.49	44yrs	40
Popularity of the first name Madeleine	r=0.76	43yrs	36
Popularity of the first name Storm	r=0.76	43yrs	26

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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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