File:US opinion same sex marriage legality.svg

Generated using matplotlib in Python from the following code:

   from matplotlib.pyplot import *
   from numpy import loadtxt
   import datetime as dt

   days, months, years, yes, no, unsure = \
           loadtxt('all.txt',unpack=True,dtype=int)

   dates = [dt.date(yr,mo,dy) for dy,mo,yr in zip(days,months,years)]

   fig = figure()
   plot(dates,yes,'.b',label='Yes')
   plot(dates,no,'.r',label='No')
   plot(dates,unsure,'.k',label='Unsure')
   legend()
   title('Opinion of Same-Sex Marriage Legality')
   xlabel('Date of Poll')
   xlim(dt.date(1996,1,1),dt.date(2008,12,31))
   ylabel('Percentage or Respondents')
   ylim(0,100)
   fig.autofmt_xdate()
   savefig('same_sex_marriage_acceptance.svg')

using the following data:

   #cnn/usa today/gallup poll
   #"Do you think marriages between homosexuals should or should not be
   #  recognized by the law as valid, with the same rights as traditional marriages?"
   #  N=492, MoE ± 5 (Form A)
   #  "Y" means "Should Be Valid"; "N" means "Should Not Be Valid"; and "U" means "Unsure".
   #day mo yr  Y   N   U
   1  5  2005  39  56  5
   20 3  2005  28  68  4
   21 7  2004  32  62  6
   7  3  2004  33  61  6
   17 2  2004  32  64  4
   8  2  2004  36  59  5
   1  12 2003  31  65  4
   1  10 2003  35  61  4
   1  6  2003  39  55  6
   1  1  2000  34  62  4
   1  2  1999  35  62  3
   1  3  1996  27  68  5
    
    
   #The Pew Research Center/Pew Forum on Religion & Public Life survey poll asking:
   #"Do you strongly favor, favor, oppose, or strongly oppose
   #  allowing gays and lesbians to marry legally?"
   #  (Margin of error three percent)
   #d m yr    Favor   Oppose  Unsure
   25 5  2008    38     49     13
   1  8  2007    36     55     9
   12 3  2006    39     51     10
   17 7  2005    36     53     11
   16 12 2004    32     61     7
   10 8  2004    29     60     11
   1  7  2004    32     56     12
   1  3  2004    32     59     9
   1  2  2004    30     63     7
   1  11 2003    30     62     8
   1  10 2004    30     58     12

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File usage on other wikis

• en:Public_opinion_of_same-sex_marriage_in_the_United_States