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Important Note: This list of changes is provided for historical purposes only. Site modifications may have been superseded, publications updated, links rendered inactive, and navigation paths altered or deleted.

1997 Change Log

Dec 26, 1997:
- A new codebook and SAS transport files are now available for the second AHEAD Wave I public release under Data and Files/ (register)/ AHEAD Wave I Files.

Dec 24, 1997:
- The second public release of AHEAD Wave I is now available under Data and Files/ (register)/ AHEAD Wave I Files.
- News item added: "AHEAD Wave I Second Public Release is now Available".

Dec 22, 1997:
- News item added: "HRS/AHEAD Area Code Changes".

Nov 25, 1997:
- Early version of HRS Wave 3 questionnaire added under Data and Files/ (register)/ HRS Wave III files.

Nov 20, 1997:
- Usage statistics updated.

Oct 24, 1997:
- Abstracts removed from Papers and Publications until copyright implications are better researched.

Oct 20, 1997:
- News item added: "New NAS Volume: Racial and Ethnic Differences in Health of Older Americans".

Oct 1, 1997:
- Usage statistics updated.
- Search engine updated.

Sep 30, 1997:
- News item added: "Deadline for NIH/NIA Small Grants (R03) Program".

Sep 25, 1997:
- Error listing added (under Information/ Error Listing) for HRS Wave 1 Public Release Codebook: "Confusing labels for N53 (V6301) to N54 (V6303)".

Sep 23, 1997:
- News item added: "Call for Abstracts on Data Quality Issues in Longitudinal Surveys".

Sep 18, 1997:
- Updated SAS.EXE in HRS Wave 1 (under Data and Files) so that HEALTH.SAI does not include extra quotation marks in the variable label for V10528.

Sep 16, 1997:
- Usage statistics updated.
- Search engine updated.

Sep 15, 1997:
- Online information for obtaining Restricted Release Files [under Data and Files/ (register) / Restricted Release Files] has been reworked. The new format is still under development and currently resides on an external link.
- Two new error listings added for HRS Wave 1: (under Information/ Error Listing / HRS): "EMPLOYER.DA: Analyzing Date Information" was added under Data Files, and "Codes for V8008 (Section E): Child's School Status" under Codebook Files.

Sep 3, 1997:
- Sections G (Last Job, R Not Working Now), H (Job History), and J (Disability) are now available as part of the HRS Wave 2 Partial Release under Data and Files/ (register)/ HRS Wave II.
- "HRS Wave 2 Progress", accessible from the header of the main page, has been updated.

Aug 21, 1997:
- Sections D (Housing) and K (Net Worth) are now available as part of the HRS Wave 2 Partial Release under Data and Files/ (register)/ HRS Wave II. Imputations are included, and were merged into the sections in the same manner as HRS Wave I.
- "HRS Wave 2 Progress", accessible from the header of the main page, has been updated.

Aug 20, 1997:
- New link to updated HRS/AHEAD Working Paper Series submission form (in Adobe Acrobat/PDF format) added under Papers and Publications/ HRS and AHEAD Working Paper Series / submission information.
- Disabled links in Papers and Publications updated.

Jul 17, 1997:
- Sections R (Health Insurance) and S (Widowhood) are now available for the HRS Wave 2 Partial Release under Data and Files/ [register]/ HRS Wave 2/ w2part6.exe.
- "HRS Wave 2 Progress", accessible from the header of the main page, has been updated.

Jul 17, 1997:
- News item added: "HRS Wave 2 Error Update: Wave 1 weights in W2IDV.* in err".
- New file added to HRS Wave 2 Partial Release: W2PART5.EXE. The file includes a new version of "W2IDV.*". The major correction to this file is correctly merged Wave 1 weights, and users with the HRS Wave 2 Partial Release will want to download the new file.
[The HRS Wave 1 weights, from the Wave 1 Public Release, had been merged incorrectly to the file "W2IDV.*", a part of the Wave 2 Partial Release. If persons have been using the HRS Wave 1 weights from the Wave 1 Public Release (V14 and V15), or have not been using Wave 1 weights at all, their results should be fine. However, users who employed the Wave 1 weights in W2IDV.* (W1HHWGT, W1PERWGT) from the HRS Wave 2 Partial Release should re-run their analyses with the new Wave 1 weights in the new W2IDV file, or with the weights from the original HRS Wave 1 Public Release.]

Jul 15, 1997:
- News item added: "Forum on Social Security, Medicare, and Privatization (8/8/97)".
- Search engine updated.

Jul 14, 1997:
- News item added: "HRS Wave 3 Alpha Error Update".

Jul 2, 1997:
- "HRS Wave 2 Progress", accessible from the header of the main/index page, has been updated. We are still behind.

Jun 24, 1997:
- News item was removed that contained AP material for fear that it was a potential copyright violation, unintentional on our part.

Jun 20, 1997:
- "HRS Wave 2 Progress", accessible from the header of the main/index page, has been updated. We are within one imputed variable of releasing sections D and K; the current expectation is that they will be available Monday evening.

Jun 19, 1997:
- News item added: "Special AHEAD Issue of the Journals of Gerontology Announcement".

Jun 17, 1997:
- Three News Items added: "1997 G7 / Denver Summit of the Eight AP Article", "1997 G7 / Denver Summit of the Eight Links", and "HRS and AHEAD Public Data Server Down June 18 and 19".

Jun 12, 1997:
- We have added a description to the main page which more openly acknowledges the funders whose support makes the HRS and AHEAD possible.

Jun 09, 1997:
- "HRS Wave 2 Progress", accessible from the header of the main/index page, has been updated. [Same four dates pushed back a week because of difficulties with getting a couple of files, et cetera.]

Jun 05, 1997:
- "HRS Wave 2 Progress", accessible from the header of the main/index page, has been updated. [Four dates pushed back two to three days each.]

Jun 02, 1997:
- News item added (funding opportunity): "DOL Request for Proposals (pensions, health benefits)".
- "HRS Wave 2 Progress", accessible from the header of the main/index page, has been updated. [NOTE: For some unknown reason, the last couple of times we had intended to update on HRS Wave 2, the page did not reflect our changes. We apologize; it appears the problem has now been corrected.]

May 16, 1997:
- Link updated in Other Sites of Interest for "Research Group on Aging and the Life Course (FALL)".

May 14, 1997:
- Web survey (benchmark for future improvements) added to front page.
- File added to Data and Files/ HRS Researcher Contributions: medical expenditure imputations (impmedex.exe), by Dan Hill.
- Section added to Data and Files: "HRS Researcher Contributions".
- "HRS Wave 2 Progress", accessible from the header of the main/index page, has been updated.
- News item added: "Join NCOA in Celebrating Older Americans Month".
- National Council on the Aging (NCOA) added to Other Sites of Interest.

May 1, 1997:
- News item added: "May 1997 UPenn Conference on Aging and Health Research".
- Two sites added to Other Sites of Interest: "NIA Aging Exploratory Centers Searchable Index" (under University of Michigan/ NIA Exploratory Centers), and "Mid-America Congress on Aging" (under Other Aging Resources).
- Usage statistics and search engine updated.

Apr 28, 1997:
- The HRS and AHEAD Bibliography (under Papers and Publications) has been updated to include new listings in the Health, Descriptive, Family, Methods, and Economics sections. Two new abstracts are available from Pezzin and Schone (Family) and one from Crimmins et al (Health).
- News item added: "1997 NIA/RAND Summer Institute on Aging".
- Staff information pages, and CVs in some cases, have been added under Information/ Staff for Martha Hill, Michael Hurd, and Karen Swallen.
- Usage statistics updated.

Apr 21, 1997:
- A new version of Section B for the HRS Wave 2 Partial Release is now available under "Data and Files"/ (register)/ "HRS Wave II". Numerous corrections have been made to medical expenditures in Section B. This file has improvements not available in previous files.

Apr 6, 1997:
- A corrections file for the HRS Wave 2 Partial Release is now available under "Data and Files"/ (register)/ "HRS Wave II". It deals with medical expenditure data from the end of Section B (Health).

Mar 17, 1997:
- Three News items added: "1997 PAA Meeting - Sessions on the Demography of Aging", "SRC Summer Institute Workshop on AHEAD (June, 1997)", and "Special Issue of Demography Available".

Mar 10, 1997:
- The HRS Wave II hard copy interview (IVIEW.EXE) had been accidentally removed from the Web Page. It is now available again under "Data and Files"/ (register)/"HRS Wave II Files".

Mar 6, 1997:
- "Data Release Information", accessible from the header of the main/index page, has been updated for both HRS and AHEAD.

Mar 3, 1997:
- All content categories under "Papers and Publications"/"HRS and AHEAD Bibliography" have been updated.
- News item added: "1997 NACDA Summer Workshop".
- The Gerontology Education Project web page, from the Center for Policy Research of Syracuse University, and the NIA Aging Exploratory Centers Metapage, based at the University of Michigan, have been added to "Other Sites of Interest".
- Usage statistics and search engine updated.
- HRS Wave 2 Progress report (accessed from top of main/index page) updated.

Feb 28, 1997:
- Section B (Health) has been added to the HRS Wave 2 partial release under "Data and Files"/"HRS Wave II".

Feb 17, 1997:
- News item added: "Pilot Grants in Behavioral and Social Science of Aging".

Feb 14, 1997:
- News item added: "Summer Institute on Aging Research (July, 1997)".
- HRS and AHEAD Staff, Steering Committee, and Data Monitoring Committee lists updated under Information/ Staff.
- The HRS/AHEAD Administrative Support team is now beginning to more actively contribute to the HRS and AHEAD Web Page, and so the "HRS and AHEAD Web Page Credits" (accessible from the main page) have been updated. Web page content will certainly be improved as a result of their efforts.

Feb 7, 1997:
- News item added: "NIH Small Research Grant (R03) Program Announcement".
- WebScout calls us a top 1% site. See "Web Page Mentions".

Feb 6, 1997:
- Usage statistics updated.
- Weights have been added to the HRS Wave 2 partial release under "Data and Files"/"HRS Wave II".

Feb 3, 1997:
- "HRS Wave 2 Progress" document (accessed via header of main page) updated to reflect current progress.

Jan 22, 1997:
- Added new site to Other Sites of Interest: American Sociological Association Section on the Sociology of Aging (under Other Aging Resources).

Jan 14, 1997:
- A corrections file for the partial public release of HRS Wave 2 is available under Data and Files/ HRS Wave II/ W2PART2.EXE. Only users of STATA need to download and decompress the file. In the STATA data descriptors provided in W2PART1.EXE, the variable name and type (int, byte, et cetera) were switched in err. When applied appropriately, the corrections file W2PART2.EXE fixes the problem.

Jan 10, 1997:
- Usage statistics and search index updated.
- 1996 "New to the Web Page" items archived.

[Change Log: Current]
[Change Log: 2007]
[Change Log: 2006]
[Change Log: 2005]
[Change Log: 2004]
[Change Log: 2003]
[Change Log: 2002]
[Change Log: 2001]
[Change Log: 2000]
[Change Log: 1999]
[Change Log: 1998]
[Change Log: 1996]
[Change Log: 1995]

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