Top variables that correlate with Sewage sludge used for fertilizer in the US

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Data source: USDA
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Sewage sludge used for fertilizer in the US correlates with...

Variable	Correlation	Years	Has img?
The number of adhesive bonding machine operators in Alabama	r=0.99	6yrs	No
Renewable energy production in The Bahamas	r=0.98	6yrs	No
Google searches for 'sleepwalking'	r=0.9	12yrs	No
Popularity of the 'is this a pigeon' meme	r=0.89	9yrs	Yes!
The number of school teachers in Vermont	r=0.87	6yrs	No
Votes for Republican Senators in South Carolina	r=0.86	10yrs	Yes!
Gasoline pumped in Madagascar	r=0.77	30yrs	Yes!
Google searches for 'best breed of dog'	r=0.76	12yrs	No
UFO sightings in Idaho	r=0.74	30yrs	Yes!
The number of movies Michael Cera appeared in	r=0.72	17yrs	No
Air quality in Barnstable Town, Massachusetts	r=0.69	29yrs	No

Sewage sludge used for fertilizer in the US also correlates with...

Variable	Correlation	Years	Sys. Score
Solar power generated in The Bahamas	r=0.98	6yrs	350
Solar power generated in Libya	r=0.96	6yrs	332
The number of middle school teachers in Guam	r=0.99	6yrs	330
The number of credit counselors in Utah	r=0.98	6yrs	329
Average views of Tom Scott's YouTube videos	r=0.92	7yrs	302
Wind power generated in Puerto Rico	r=0.95	6yrs	301
The number of compliance officers in Vermont	r=0.98	6yrs	299
Anheuser-Busch InBev's stock price (BUD)	r=0.91	6yrs	294
Popularity of the 'doge' meme	r=0.87	10yrs	284
The number of soil and plant scientists in Missouri	r=0.92	12yrs	276
Popularity of the 'thanks obama' meme	r=0.89	9yrs	271
xkcd comics published about outer space	r=0.87	8yrs	266
Average number of comments on Tom Scott's YouTube videos	r=0.86	7yrs	263
Total comments on Tom Scott's YouTube videos	r=0.86	7yrs	263
The number of firefighters in Hawaii	r=0.97	6yrs	262
Verisk Analytics' stock price (VRSK)	r=0.9	6yrs	262
Votes for Republican Senators in Oklahoma	r=0.88	11yrs	260
Paypal's Number of Active Registered User Accounts	r=0.87	6yrs	258
Solar power generated in Ukraine	r=0.91	6yrs	255
The number of truck drivers in Oregon	r=0.97	6yrs	252
The number of compliance officers in Puerto Rico	r=0.97	6yrs	242
Votes for Libertarian Senators in South Carolina	r=0.88	8yrs	242
Popularity of the 'dumb ways to die' meme	r=0.87	10yrs	239
The average number of likes on Tom Scott's YouTube videos	r=0.85	7yrs	232
The number of print binding and finishing workers in California	r=0.96	6yrs	231
The number of movies Sean Astin appeared in	r=0.72	30yrs	226
Popularity of the first name Winter	r=0.75	30yrs	222
The average number of likes on Steve Mould's YouTube videos	r=0.85	7yrs	222
Popularity of the first name Skylar	r=0.74	30yrs	220
Popularity of the first name Ivy	r=0.73	30yrs	219
Total likes of Steve Mould's YouTube videos	r=0.85	7yrs	212
UFO sightings in Oregon	r=0.72	30yrs	206
UFO sightings in Mississippi	r=0.72	30yrs	206
Patents granted in the US	r=0.7	30yrs	194
The number of art directors in Connecticut	r=0.89	13yrs	192
Automotive recalls issued by Hyundai Motor America	r=0.71	30yrs	192
The number of movies Vin Diesel appeared in	r=0.69	30yrs	192
Patents granted in the US	r=0.7	30yrs	190
Popularity of the first name Mohammed	r=0.73	30yrs	189
Automotive recalls for issues with the Electrical System	r=0.71	30yrs	188
Automotive recalls issued by Chrysler	r=0.66	30yrs	184
The number of athletic trainers in Hawaii	r=0.89	13yrs	182
US Annual Tax Revenue	r=0.67	30yrs	182
Popularity of the first name Catalina	r=0.73	30yrs	179
Walmart's stock price (WMT)	r=0.83	14yrs	176
Robberies in North Dakota	r=0.71	30yrs	175
The number of massage therapists in New York	r=0.89	13yrs	172
Google searches for 'cat memes'	r=0.83	12yrs	172
Google searches for 'numberphile'	r=0.85	12yrs	172
Popularity of the first name Abdullah	r=0.73	30yrs	169
Hydopower energy generated in Uganda	r=0.74	30yrs	164
The number of surveying and mapping technicians in Oklahoma	r=0.89	13yrs	162
Popularity of the first name Cecilia	r=0.72	30yrs	158
Liquefied petroleum gas used in Finland	r=0.76	30yrs	154
The number of statisticians in West Virginia	r=0.88	13yrs	152
Popularity of the first name Mohammad	r=0.72	30yrs	148
UFO sightings in Virginia	r=0.7	30yrs	144
Biomass power generated in Turkiye	r=0.73	30yrs	142
The number of medical equipment repairers in West Virginia	r=0.89	13yrs	142
Popularity of the first name Muhammad	r=0.72	30yrs	138
Petroluem consumption in Timor-Leste	r=0.86	13yrs	136
UFO sightings in Alaska	r=0.7	30yrs	134
Gasoline pumped in Nigeria	r=0.75	30yrs	132
The number of opticians in Florida	r=0.88	13yrs	131
Popularity of the first name Harrison	r=0.71	30yrs	126
UFO sightings in Colorado	r=0.69	30yrs	122
The number of conveyor operators in Kansas	r=0.88	13yrs	121
Liquefied petroleum gas used in Saint Vincent/Grenadines	r=0.74	30yrs	120
Popularity of the first name Daphne	r=0.71	30yrs	116
UFO sightings in Wisconsin	r=0.69	30yrs	112
The number of dishwashers in Guam	r=0.88	13yrs	111
Solar power generated in Burundi	r=0.88	6yrs	110
Gasoline pumped in Malaysia	r=0.73	30yrs	109
UFO sightings in Oklahoma	r=0.69	30yrs	102
The number of dietetic technicians in California	r=0.87	13yrs	100
Gasoline pumped in Ghana	r=0.71	30yrs	96
The number of dental laboratory technicians in Idaho	r=0.87	13yrs	90
UFO sightings in West Virginia	r=0.68	30yrs	90
Solar power generated in Kenya	r=0.87	6yrs	89
Liquefied petroleum gas used in United Arab Emirates	r=0.71	30yrs	86
Solar power generated in Madagascar	r=0.87	6yrs	79
UFO sightings in Ohio	r=0.67	30yrs	79
Popularity of the first name Jensen	r=0.71	30yrs	76
UFO sightings in New Jersey	r=0.67	30yrs	69
Solar power generated in Angola	r=0.86	6yrs	68
Popularity of the first name Sadie	r=0.7	30yrs	64
Popularity of the first name Reed	r=0.7	30yrs	54
Popularity of the first name Haven	r=0.7	30yrs	44
Popularity of the first name Sebastian	r=0.69	30yrs	33
Fossil fuel use in Brazil	r=0.71	30yrs	29
Popularity of the first name Vivian	r=0.69	30yrs	23
Popularity of the first name Felix	r=0.69	30yrs	13
Popularity of the first name Gunnar	r=0.69	30yrs	3
Popularity of the first name Cora	r=0.69	30yrs	-7

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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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