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From |
"N. Schenk" <niels@oudwijk.cistron.nl> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Help with recoding after reshape long |

Date |
Thu, 13 Dec 2007 17:00:14 +0100 (CET) |

Hello to all, After hours of trying to figure it out myself, I am desperate for help. I have a wide dataset that has a household grid, where all people in a certain household are in variables *_1 to *_20, so there can be max 20 members in the household. I want to resort this grid according to type of household member and then according to age. I do this by reshaping the grid to long format, so far so good. But, there are certain variables outside of the grid that refer back to the grid, such as a variable indicating whether a certain household member has taken care of the respondent's children. These variables can have max 5 options and have the household number 1 to 20 denoting the 1 to 20th person in the household grid. So if ref_1 would be 5 and ref_2 would be 3, meaning that the fifth and third person in the household grid have taken care of the child. Because I have resorted the household, these reference numbers aren't correct anymore when I'm reshaping back to wide, at variable *_4 there is a different person than there was originally - given that sorting changed the order of my grid. Hence, I want to update these reference variables with the new id's that the household member will receive when reshaping back to wide. I have the new id numbers in my data and know what the old ones were. This means that I have the following datastructure: id hhid ref_1 ref_2 newhhid 1 2 2 3 1 1 1 2 3 2 1 3 2 3 3 2 1 1 2 1 2 3 1 2 2 2 2 1 2 3 3 1 2 1 1 3 2 2 1 2 3 3 2 1 3 I want to update the ref_1 variable with the newid value where oldhhid == ref_1, and ref_2 with newid where oldhhid==ref_2. So for respondent 1, ref_1 would take the new value 1, and ref_2 value 3. For respondent 2, ref_1 would take on value 1 and ref_2 value 3. Although I have succeeded in updating the refvar variables on the lines where ref_1==oldhhid, this doesn't imply though that the entire ref_1 variable is updated. For the first respondent only ref_1[1], and ref_2[3] are updated. How can I make sure that the entire variable is updated, so that when I reshape back to wide, these values are constant over idnumresp? Hopefully I've made myself clear enough. Thanks so much for any help. Niels Schenk * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: Help with recoding after reshape long***From:*"Austin Nichols" <austinnichols@gmail.com>

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