*  SPSS Skipanir fyrir meðhöndlun gagnasafns Heilsa og líðan Íslendinga 2007. 
* http://www.lydheilsustod.is/rannsoknir/heilsa-og-lidan-2007/ 
* Unnið af Jóni Óskari Guðlaugssyni og Stefáni H. Jónssyni.  
* 20. maí 2009.


* s48 --> r48. Texta breytt í tölugildi. 
* Þeir sem ekki stunduðu erfiða hreyfingu í síðustu viku samkvæmt s47 og svöruðu ekki s48 fá gildið "0" á r48.


compute r48 = -1.

if s48 =	"?"	r48 =	9999	.
if s48 =	"0-15"	r48 =	7	.
if s48 =	"0"	r48 =	0	.
if s48 =	"1-4 kls"	r48 =	150	.
if s48 =	"1"	r48 =	1	.
if s48 =	"1 klst"	r48 =	60	.
if s48 =	"1 tíma"	r48 =	60	.
if s48 =	"1,5"	r48 =	1.5	.
if s48 =	"1:30"	r48 =	90	.
if s48 =	"10-12"	r48 =	11	.
if s48 =	"10-15"	r48 =	12.5	.
if s48 =	"10-20"	r48 =	15	.
if s48 =	"10-30"	r48 =	20	.
if s48 =	"10-50"	r48 =	30	.
if s48 =	"10-60"	r48 =	35	.
if s48 =	"10"	r48 =	10	.
if s48 =	"10 tímar"	r48 =	600	.
if s48 =	"100-120"	r48 =	110	.
if s48 =	"100"	r48 =	100	.
if s48 =	"107"	r48 =	107	.
if s48 =	"110"	r48 =	110	.
if s48 =	"115"	r48 =	115	.
if s48 =	"12"	r48 =	12	.
if s48 =	"120-180"	r48 =	150	.
if s48 =	"120"	r48 =	120	.
if s48 =	"13"	r48 =	13	.
if s48 =	"130"	r48 =	130	.
if s48 =	"15-20"	r48 =	17.5	.
if s48 =	"15-30"	r48 =	22.5	.
if s48 =	"15-40"	r48 =	27.5	.
if s48 =	"15-60"	r48 =	37.5	.
if s48 =	"15"	r48 =	15	.
if s48 =	"150"	r48 =	150	.
if s48 =	"16"	r48 =	16	.
if s48 =	"160"	r48 =	160	.
if s48 =	"17"	r48 =	17	.
if s48 =	"170"	r48 =	170	.
if s48 =	"180-240"	r48 =	210	.
if s48 =	"180"	r48 =	180	.
if s48 =	"190"	r48 =	190	.
if s48 =	"2-3"	r48 =	3	.
if s48 =	"2-3 tíma"	r48 =	150	.
if s48 =	"2-5"	r48 =	3.5	.
if s48 =	"2"	r48 =	2	.
if s48 =	"2 klst"	r48 =	120	.
if s48 =	"2,5"	r48 =	2.5	.
if s48 =	"20-30"	r48 =	25	.
if s48 =	"20-40"	r48 =	30	.
if s48 =	"20-60"	r48 =	40	.
if s48 =	"20"	r48 =	20	.
if s48 =	"200-300"	r48 =	250	.
if s48 =	"200"	r48 =	200	.
if s48 =	"22"	r48 =	22	.
if s48 =	"220"	r48 =	220	.
if s48 =	"23"	r48 =	23	.
if s48 =	"230"	r48 =	230	.
if s48 =	"24"	r48 =	24	.
if s48 =	"240"	r48 =	240	.
if s48 =	"2400"	r48 =	2400	.
if s48 =	"25-200"	r48 =	113	.
if s48 =	"25-30"	r48 =	27.5	.
if s48 =	"25"	r48 =	25	.
if s48 =	"250"	r48 =	250	.
if s48 =	"260"	r48 =	260	.
if s48 =	"270"	r48 =	270	.
if s48 =	"280-300"	r48 =	290	.
if s48 =	"280"	r48 =	280	.
if s48 =	"29"	r48 =	29	.
if s48 =	"2x50"	r48 =	50	.
if s48 =	"3-4 tím.."	r48 =	210	.
if s48 =	"3"	r48 =	3	.
if s48 =	"3 kl"	r48 =	180	.
if s48 =	"30-40"	r48 =	35	.
if s48 =	"30-45"	r48 =	37.5	.
if s48 =	"30-50"	r48 =	40	.
if s48 =	"30-6"	r48 =	45	.
if s48 =	"30-60"	r48 =	45	.
if s48 =	"30"	r48 =	30	.
if s48 =	"300"	r48 =	300	.
if s48 =	"320"	r48 =	320	.
if s48 =	"35-40"	r48 =	37.5	.
if s48 =	"35-60"	r48 =	47.5	.
if s48 =	"35"	r48 =	35	.
if s48 =	"350"	r48 =	350	.
if s48 =	"360"	r48 =	360	.
if s48 =	"38"	r48 =	38	.
if s48 =	"380"	r48 =	380	.
if s48 =	"3o"	r48 =	30	.
if s48 =	"3O"	r48 =	30	.
if s48 =	"4-14"	r48 =	9	.
if s48 =	"4"	r48 =	4	.
if s48 =	"4 klst"	r48 =	240	.
if s48 =	"40-45"	r48 =	42.5	.
if s48 =	"40-50"	r48 =	45	.
if s48 =	"40-60"	r48 =	50	.
if s48 =	"40-70"	r48 =	55	.
if s48 =	"40-80"	r48 =	60	.
if s48 =	"40"	r48 =	40	.
if s48 =	"400"	r48 =	400	.
if s48 =	"40x2"	r48 =	40	.
if s48 =	"42"	r48 =	42	.
if s48 =	"420"	r48 =	420	.
if s48 =	"420+-"	r48 =	420	.
if s48 =	"43"	r48 =	43	.
if s48 =	"440"	r48 =	440	.
if s48 =	"45-120"	r48 =	82.5	.
if s48 =	"45-60"	r48 =	52.5	.
if s48 =	"45-70"	r48 =	57.5	.
if s48 =	"45-90"	r48 =	67.5	.
if s48 =	"45"	r48 =	45	.
if s48 =	"47"	r48 =	47	.
if s48 =	"480"	r48 =	480	.
if s48 =	"5-10"	r48 =	7.5	.
if s48 =	"5-50"	r48 =	27.5	.
if s48 =	"5-6"	r48 =	5.5	.
if s48 =	"5"	r48 =	5	.
if s48 =	"50-60"	r48 =	55	.
if s48 =	"50-70"	r48 =	60	.
if s48 =	"50-80"	r48 =	65	.
if s48 =	"50"	r48 =	50	.
if s48 =	"54"	r48 =	54	.
if s48 =	"540"	r48 =	540	.
if s48 =	"55"	r48 =	55	.
if s48 =	"580"	r48 =	580	.
if s48 =	"5O"	r48 =	50	.
if s48 =	"6-14 klst."	r48 =	600	.
if s48 =	"60-120"	r48 =	90	.
if s48 =	"60-180"	r48 =	120	.
if s48 =	"60-240"	r48 =	150	.
if s48 =	"60-300"	r48 =	180	.
if s48 =	"60-69"	r48 =	64.5	.
if s48 =	"60-70"	r48 =	65	.
if s48 =	"60-75"	r48 =	67.5	.
if s48 =	"60-80"	r48 =	70	.
if s48 =	"60-90"	r48 =	75	.
if s48 =	"60"	r48 =	60	.
if s48 =	"600"	r48 =	600	.
if s48 =	"65-80"	r48 =	72.5	.
if s48 =	"65"	r48 =	65	.
if s48 =	"7"	r48 =	7	.
if s48 =	"70-80"	r48 =	75	.
if s48 =	"70"	r48 =	70	.
if s48 =	"720"	r48 =	720	.
if s48 =	"75"	r48 =	75	.
if s48 =	"75,0"	r48 =	75	.
if s48 =	"75+"	r48 =	75	.
if s48 =	"8"	r48 =	8	.
if s48 =	"8 tíma á dag, suma dagana þegar beitning er"	r48 =	9999	.
if s48 =	"80-100"	r48 =	90	.
if s48 =	"80"	r48 =	80	.
if s48 =	"82"	r48 =	82	.
if s48 =	"85"	r48 =	85	.
if s48 =	"888"	r48 =	888	.
if s48 =	"9"	r48 =	9	.
if s48 =	"90-100"	r48 =	95	.
if s48 =	"90-120"	r48 =	105	.
if s48 =	"90"	r48 =	90	.
if s48 =	"ca 120"	r48 =	120	.
if s48 =	"ca 15"	r48 =	15	.
if s48 =	"ca 20-60"	r48 =	40	.
if s48 =	"ca 20"	r48 =	20	.
if s48 =	"ca 240"	r48 =	240	.
if s48 =	"ca 40-60"	r48 =	50	.
if s48 =	"ca 60"	r48 =	60	.
if s48 =	"ca 70"	r48 =	70	.
if s48 =	"ca. 30"	r48 =	30	.
if s48 =	"enga"	r48 =	0	.
if s48 =	"hef ekki tölu á því"	r48 =	9999	.
if s48 =	"Vinn erfiða vinnu"	r48 =	9999	.
if s48 =	"X"	r48 =	9999	.

missing values s47 ().

if any(r48, -1, 9999) and s47 = 8 r48 = 0.

recode r48 (-1 = 9999).
fre r48.

missing values r48 (888 9999).

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