Top variables that correlate with Votes for Democratic Senators in Iowa

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Data source: MIT Election Data and Science Lab, Harvard Dataverse
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Votes for Democratic Senators in Iowa correlates with...

Variable	Correlation	Years	Has img?
xkcd comics published about astronomy	r=1	3yrs	Yes!
Associates degrees awarded in Library science	r=1	3yrs	Yes!
AT&T Inc.'s stock price (T)	r=0.91	7yrs	No

Votes for Democratic Senators in Iowa also correlates with...

Variable	Correlation	Years	Sys. Score
The number of audiologists in Iowa	r=0.93	6yrs	296
The number of colelge chemistry teachers in Iowa	r=0.9	6yrs	292
US average dairy skim-solid content of dry milk products (net)	r=0.9	7yrs	290
The number of movies Seth Rogen appeared in	r=0.9	6yrs	270
Number of edits to the Wikipedia article for Deloitte	r=0.87	6yrs	262
Google searches for 'Barack Obama'	r=0.86	6yrs	258
Wind power generated in Slovakia	r=0.86	6yrs	258
Total Receiving Yards by Steve Smith	r=0.87	6yrs	254
The number of movies Christian Bale appeared in	r=0.75	11yrs	147
Difference in score of Steinfeld Cup Final teams	r=0.82	7yrs	146
The number of chemical technicians in Iowa	r=0.83	6yrs	146
The number of movies Elizabeth Banks appeared in	r=0.77	7yrs	146
Greece's annual import volume	r=0.82	6yrs	145
Number of edits to the Wikipedia article for JP Morgan Chase	r=0.81	6yrs	138
Jet fuel used in Slovakia	r=0.69	9yrs	127
Total value of all $5 bills printed	r=0.63	11yrs	126
Viewership of Doctor Who season finale	r=0.66	9yrs	122
The Bank of New York Mellon Corporation's stock price (BK)	r=0.69	7yrs	116
Gasoline pumped in Niue	r=0.7	7yrs	116
The Hartford Financial Services Group's stock price (HIG)	r=0.68	7yrs	115
Number of edits to the Wikipedia article for McGill University	r=0.63	7yrs	112
Number of edits to the Wikipedia article for Morgan Stanley	r=0.62	7yrs	110
The number of movies Kevin Spacey appeared in	r=0.7	12yrs	110
Number of edits to the Wikipedia article for Thomas Edison	r=0.62	7yrs	110
Number of edits to the Wikipedia article for Britney Spears	r=0.6	7yrs	108
Number of edits to the Wikipedia article for Cognitive dissonance	r=0.61	6yrs	108
Number of edits to the Wikipedia article for Arnold Schwarzenegger	r=0.58	7yrs	104
Number of edits to the Wikipedia article for McKinsey & Company	r=0.58	6yrs	104
The number of microbiologists in Iowa	r=0.8	6yrs	104
Grand Slam Finals Played by Serena Williams	r=0.6	6yrs	102
Short fiction books published by Stephen King	r=0.52	13yrs	102
The number of movies Audrey Hepburn appeared in	r=0.71	9yrs	99
Los Angeles Kings' National Hockey League standings	r=0.54	13yrs	97
Asthma attacks in American children	r=0.52	7yrs	96
Customer satisfaction with AT&T	r=0.55	6yrs	96
Annual US household spending on mortgage interest and charges	r=0.55	7yrs	96
Total value of all $20 bills printed	r=-0.84	11yrs	96
Number of edits to the Wikipedia article for Pluto	r=0.5	7yrs	92
US average dairy skim-solid content of dry milk products (net)	r=-0.9	7yrs	90
The distance between Mercury and the Sun	r=0.45	15yrs	90
Popularity of the first name Helen	r=0.47	15yrs	90
Customer satisfaction with The U.S. Postal Service	r=0.49	9yrs	90
The number of heat treating equipment setters, operators, and tenders, metal and plastic in Iowa	r=0.79	6yrs	90
US household spending on nonalcoholic beverages	r=0.5	7yrs	88
The number of movies Edward Norton appeared in	r=0.7	9yrs	88
Google searches for 'i cant fall asleep'	r=-0.83	6yrs	86
Jet fuel used in Niue	r=0.7	7yrs	86
Sumitomo Mitsui Financial Group's stock price (SMFG)	r=0.69	6yrs	84
The number of university physics teachers in Iowa	r=0.77	6yrs	78
The number of movies Uma Thurman appeared in	r=0.68	10yrs	76
ING Groep's stock price (ING)	r=0.67	7yrs	74
Jet fuel used in The Bahamas	r=0.54	14yrs	70
Cristiano Ronaldo's domestic league goal tally	r=0.55	6yrs	64
The number of movies Clint Eastwood appeared in	r=0.65	13yrs	64
The number of ushers in Iowa	r=0.74	6yrs	64
Nokia Oyj's stock price (NOK)	r=0.67	7yrs	64
The number of probation officers in Iowa	r=0.72	6yrs	52
Manulife Financial's stock price (MFC)	r=0.64	7yrs	49
Petroluem consumption in Slovenia	r=0.56	10yrs	49
NCAA Women's Softball Championship (Div I) Final Score Difference Between Winners and Runner-Up	r=0.46	12yrs	47
The number of carpet installers in Iowa	r=0.72	6yrs	42
Jet fuel used in Puerto Rico	r=0.53	14yrs	38
Number of edits to the Wikipedia article for Tetris	r=0.47	7yrs	38
The number of movies Jeremy Renner appeared in	r=0.64	8yrs	38
Vale S.A.'s stock price (VALE)	r=0.62	6yrs	35
The number of university political science teachers in Iowa	r=0.72	6yrs	30
The number of movies Benedict Wong appeared in	r=0.65	6yrs	27
GSK plc's stock price (GSK)	r=0.61	7yrs	24
Jet fuel used in Slovenia	r=0.53	10yrs	24
The number of food scientists and technologists in Iowa	r=0.72	6yrs	20
FirstEnergy's stock price (FE)	r=0.61	7yrs	14
The number of movies Liv Tyler appeared in	r=0.61	7yrs	12
The number of insurance claims adjusters in Iowa	r=0.7	6yrs	8
Baker Hughes Company's stock price (BKR)	r=0.6	7yrs	3
The number of movies Bradley Cooper appeared in	r=0.61	7yrs	2
The number of plumbers in Iowa	r=0.66	6yrs	-8
The Bank of Nova Scotia's stock price (BNS)	r=0.59	6yrs	-10
The number of movies Jake Gyllenhaal appeared in	r=0.58	7yrs	-12
The number of structural iron and steel workers in Iowa	r=0.67	6yrs	-18
Shell's stock price (SHEL)	r=0.57	7yrs	-22
The number of movies George Clooney appeared in	r=0.52	12yrs	-26
The number of accountants and auditors in Iowa	r=0.65	6yrs	-30
Sun Life Financial's stock price (SLF)	r=0.57	7yrs	-32
The number of movies Peter OToole appeared in	r=0.51	13yrs	-37
The number of welders in Iowa	r=0.65	6yrs	-40
Rio Tinto Group's stock price (RIO)	r=0.56	7yrs	-43
The number of movies Lucy Liu appeared in	r=0.51	10yrs	-50
CME Group's stock price (CME)	r=0.57	6yrs	-53
The number of agricultural inspectors in Iowa	r=0.63	6yrs	-54
The number of movies Meryl Streep appeared in	r=0.47	14yrs	-62
The Williams Companies' stock price (WMB)	r=0.55	7yrs	-64
The number of architects in Iowa	r=0.62	6yrs	-65
The number of movies Gregory Peck appeared in	r=0.5	9yrs	-72
State Street's stock price (STT)	r=0.55	7yrs	-74
The number of electric motor repairers in Iowa	r=0.61	6yrs	-76
The number of movies Emily Watson appeared in	r=0.51	7yrs	-83
The number of materials engineers in Iowa	r=0.6	6yrs	-88
Sony Group's stock price (SONY)	r=0.5	7yrs	-92
The number of movies Grace Kelly appeared in	r=0.51	7yrs	-93
Exelon's stock price (EXC)	r=0.5	7yrs	-102

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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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