Top variables that correlate with The number of roofers in Iowa

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Data source: Bureau of Larbor Statistics
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The number of roofers in Iowa correlates with...

Variable	Correlation	Years	Sys. Score
Bachelor's degrees awarded in literature	r=0.96	10yrs	403
Popularity of the 'first world problems' meme	r=0.9	17yrs	376
Master's degrees awarded in literature	r=0.96	10yrs	373
Bachelor's degrees awarded in Social sciences and history	r=0.95	10yrs	372
Associates degrees awarded in law enforcement	r=0.95	11yrs	341
Popularity of the 'success kid' meme	r=0.87	17yrs	341
Google searches for 'vihart'	r=0.88	19yrs	338
Google searches for 'Vihart'	r=0.89	16yrs	337
Google searches for 'easy bake oven'	r=0.89	15yrs	336
Total views on minutephysics YouTube videos	r=0.89	12yrs	308
Number of pirate attacks in Indonesia	r=0.85	15yrs	306
Bachelor's degrees awarded in linguistics	r=0.95	10yrs	302
Associates degrees awarded in Criminal justice and corrections	r=0.94	11yrs	290
Associates degrees awarded in Fire control and safety	r=0.94	11yrs	280
Bachelor's degrees awarded in Philosophy	r=0.94	10yrs	270
How nerdy Technology Connections YouTube video titles are	r=0.87	8yrs	266
Number of articles Matt Levine published on Bloomberg on Thursdays	r=0.88	9yrs	262
Master's degrees awarded in Social sciences and history	r=0.94	10yrs	260
Number of articles Matt Levine published on Bloomberg on Tuesdays	r=0.86	9yrs	259
Number of articles Matt Levine published on Bloomberg.com	r=0.86	9yrs	259
Number of articles Matt Levine published on Bloomberg on Fridays	r=0.85	9yrs	258
Master's degrees awarded in Transportation	r=0.94	10yrs	250
Associates degrees awarded in Health professions	r=0.93	11yrs	238
Master's degrees awarded in Liberal arts	r=0.93	10yrs	228
Associates degrees awarded in Engineering technologies	r=0.92	11yrs	216
Associates degrees awarded in Visual and performing arts	r=0.92	11yrs	206
Popularity of the 'not sure if' meme	r=0.84	17yrs	202
Associates degrees awarded in Legal professions and studies	r=0.91	11yrs	195
Popularity of the first name Bryn	r=0.8	20yrs	190
Popularity of the first name Chyna	r=0.79	20yrs	188
Popularity of the 'y u no' meme	r=0.84	17yrs	172
Total comments on Vihart's YouTube videos	r=0.79	14yrs	170
The number of movies Elijah Wood appeared in	r=0.74	20yrs	170
Cenovus Energy's stock price (CVE)	r=0.83	13yrs	168
Ecopetrol's stock price (EC)	r=0.82	14yrs	168
Renewable energy production in Botswana	r=-0.96	10yrs	168
Solar power generated in Botswana	r=-0.96	10yrs	168
Solar power generated in Honduras	r=-0.96	10yrs	168
Bachelor's degrees awarded in gender studies	r=0.91	10yrs	166
The number of movies Channing Tatum appeared in	r=0.72	18yrs	164
Popularity of the first name Gerard	r=0.75	20yrs	162
Google searches for 'facebook'	r=0.81	17yrs	161
Volume of wheat used in the United States as animal feed	r=0.72	19yrs	160
Popularity of the 'one does not simply' meme	r=0.81	17yrs	157
Associates degrees awarded in Business operations	r=0.91	11yrs	155
Google searches for 'stop hitting yourself'	r=0.79	19yrs	150
Global sales revenue of elevators and escalators	r=0.84	7yrs	150
Global revenue from elevator and escalator sales	r=0.84	7yrs	146
Associates degrees awarded in information sciences	r=0.91	11yrs	145
UFO sightings in Iowa	r=0.68	19yrs	144
Number of articles Matt Levine published on Bloomberg on Wednesdays	r=0.78	9yrs	142
Google searches for 'pick up lines'	r=0.79	19yrs	140
Number of articles Matt Levine published on Bloomberg on Mondays	r=0.77	9yrs	140
Global revenue generated by McDonald's	r=0.69	18yrs	138
Associates degrees awarded in health assistance	r=0.9	11yrs	134
Petroluem consumption in Jordan	r=0.77	19yrs	134
Popularity of the first name Elise	r=0.74	20yrs	130
How provocative Extra History YouTube video titles are	r=0.83	11yrs	128
Popularity of the 'scumbag steve' meme	r=0.8	17yrs	126
Popularity of the first name Brynn	r=0.74	20yrs	120
Total comments on minutephysics YouTube videos	r=0.82	12yrs	117
Popularity of the 'slenderman' meme	r=0.81	14yrs	114
Google searches for 'Minute Physics'	r=0.78	16yrs	106
Popularity of the first name Elyse	r=0.7	20yrs	104
Average number of comments on Numberphile YouTube videos	r=0.8	12yrs	104
Popularity of the 'overly attached girlfriend' meme	r=0.78	17yrs	102
Electricity generation in Zimbabwe	r=0.69	19yrs	100
Google searches for 'zombies'	r=0.75	19yrs	94
Popularity of the first name Annabel	r=0.7	20yrs	94
Total views on Numberphile YouTube videos	r=0.8	12yrs	94
Associates degrees awarded in Accounting	r=0.89	11yrs	92
Popularity of the 'bad luck brian' meme	r=0.77	17yrs	91
Solar power generated in Azerbaijan	r=-0.97	9yrs	88
How fun Extra History YouTube video titles are	r=0.81	11yrs	84
Popularity of the first name Zoe	r=0.69	20yrs	83
Popularity of the 'bazinga' meme	r=0.76	17yrs	80
Hydopower energy generated in Papua New Guinea	r=0.68	19yrs	78
How fun Deep Look YouTube video titles are	r=0.82	9yrs	74
Google searches for 'Gangnam Style'	r=0.82	11yrs	72
Popularity of the first name Aaliyah	r=0.68	20yrs	72
How provocative Technology Connections YouTube video titles are	r=0.82	8yrs	63
Popularity of the first name Marilyn	r=0.68	20yrs	62
Popularity of the 'whip nae nae' meme	r=0.84	8yrs	58
How trendy Extra History YouTube video titles are	r=0.8	11yrs	53
Google searches for 'Titanic'	r=0.73	15yrs	52
Total likes of Vihart's YouTube videos	r=0.77	14yrs	42
Popularity of the 'gangnam style' meme	r=0.77	11yrs	40
Google searches for 'minecraft'	r=0.72	13yrs	38
How 'hip and with it' Matt Parker's YouTube video titles are	r=0.78	12yrs	31
Google searches for 'how much wood can a woodchuck chuck'	r=0.68	19yrs	28
Popularity of the 'call me maybe' meme	r=0.73	11yrs	24
Total views on Vihart's YouTube videos	r=0.75	14yrs	18
Google searches for 'how to fake your own death'	r=0.64	19yrs	18
Popularity of the 'what does the fox say' meme	r=0.72	10yrs	12
Total comments on Numberphile YouTube videos	r=0.74	12yrs	5
Popularity of the 'willy wonka' meme	r=0.67	17yrs	1
How geeky Technology Connections YouTube video titles are	r=0.76	8yrs	-6
How insightful AsapSCIENCE YouTube video titles are	r=0.74	11yrs	-16
Average views of MinuteEarth YouTube videos	r=0.73	10yrs	-28
How 'hip and with it' LockPickingLawyer YouTube video titles are	r=0.75	8yrs	-38
How insightful LockPickingLawyer YouTube video titles are	r=0.75	8yrs	-48

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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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