select if (v000003 = 0 and v000004 = 5 and v000126 = 5).
compute polknow1 = (v001447 = 1 and not(missing(v001447))).
compute polknow2 = (v001450 = 1 and not(missing(v001450))).
compute polknow3 = (v001453 = 1 and not(missing(v001453))).
compute polknow4 = (v001456 = 1 and not(missing(v001456))).
compute polknow5 = (v001458 = 3 and not(missing(v001458))).
compute polknow6 = (v001462 = 2 and not(missing(v001462))).
compute polknow7 = (v001466 = 4 and not(missing(v001466))).
compute polknow8 = (v001470 = 1 and not(missing(v001470))).
compute polknow9 = (v001460 = 2 and not(missing(v001460))).
compute polkno10 = (v001464 = 1 and not(missing(v001464))).
compute polkno11 = (v001374 > 4 and not(missing(v001374))).
compute polkno12 = (v001372 < 4 and not(missing(v001372))).
compute polkno13 = (v000735 < 3 and not(missing(v000735))).
compute polkno14 = (v000739 > 2 and not(missing(v000739))).
compute polkno15 = (v000718 < 3 and not(missing(v000718))).
compute polkno16 = (v000723 > 3 and not(missing(v000723))).
compute polkno17 = (v000696 > 2 and v000696 < 5 and not(missing(v000696))).
compute polkno18 = (v000698 < 3 and not(missing(v000698))).
compute polkno19 = (v000592 > 2 and not(missing(v000592))).
compute polkno20 = (v000597 > 3 and not(missing(v000597))).
compute polkno21 = (v001356 = 5 and not(missing(v001356))).
compute polkno22 = (v001357 = 5 and not(missing(v001357))).
compute pknow = sum(polknow1 to polkno22).
if (v000908 > 0 and v000908 < 98) age = v000908.
if (v000910 < 18) educ = v000910.
if (v001029 = 1) sex = 1.
if (v001029 = 2) sex = 0.
if (v000993 = 1) income = 2.5.
if (v000993 = 2) income = 7.5.
if (v000993 = 3) income = 12.5.
if (v000993 = 4) income = 20.
if (v000993 = 5) income = 30.
if (v000993 = 6) income = 42.5.
if (v000993 = 7) income = 57.5.
if (v000993 = 8) income = 70.
if (v000993 = 9) income = 80.
if (v000993 = 10) income = 90.
if (v000993 = 11) income = 100.
if (v000993 = 12) income = 110.
if (v000993 = 13) income = 120.
if (v000993 = 14) income = 130.
if (v000993 = 15) income = 140.
if (v000993 = 16) income = 150.
if (v000993 = 17) income = 160.
if (v000993 = 18) income = 170.
if (v000993 = 19) income = 180.
if (v000993 = 20) income = 190.
if (v000993 = 21) income = 197.5.
if (v000993 = 22) income = 200.
if (v001367 < 5) polint = 5-v001367.
if (v001409 = 1) party = 1.
if (v001409 = 3) party = 2.
if (v001409 = 5) party = 3.
if (v001409 = 7) party = 3.
if (v000446 > 0 and v000446 < 8) libcon = v000446.
if (v001204 = 5) pdiscuss = 0.
if (v001204 = 1 and v001205 > 0 and v001205 < 8) pdiscuss = v001205.
if (v000329 < 8) natnews = v000329.
if (v000335 < 8) npnews = v000335.
if (v000331 < 8) elocnew = v000331.
if (v000332 < 8) llocnew = v000332.
compute locnews = mean(elocnew, llocnew).
if (v001431 < 5) talkfreq = v001431.
if (v001432 < 5) talkattn = v001432.
compute talkrad = mean(talkfreq, talkattn).
if (v001430 = 5) talkrad = 5.
compute talkrad = 6-talkrad.
variable labels natnews 'National Network News Exposure'.
variable labels npnews 'Newspaper News Exposure'.
variable labels locnews 'Local News Exposure'.
variable labels talkrad 'Political Talk Radio Exposure'.
variable labels pdiscuss 'Political Discussion'.
variable labels polint 'Interest in Politics'.
variable labels party 'Political Party Affiliation'.
variable labels libcon 'Political Conservativism'.
variable labels pknow 'Political Knowledge'.
variable labels age 'Age'.
variable labels educ 'Years of Education'.
variable labels sex 'Sex (1 = Male, 0 = female)'.
variable labels income 'Household Income (in thousands of dollars)'.
value labels party 1 'Democrat' 2 'Republican' 3 'Other'.
value labels sex 1 'Male' 0 'Female'.
count miss = pknow to npnews locnews talkrad (sysmis).
select if (miss = 0).
match files/file = */keep pknow to npnews locnews talkrad.
execute.