Press, Open Cohort.
The National Longitudinal Surveys are complex longitudinal surveys comprised of multiple nationally representative samples. Because of this complexity the NLS staff create sets of cross-sectional weights for each cohort and each of its survey rounds. Using these weights provides a simple method for users to correct the raw data for the complex survey design in a particular year. If data from just one survey are being used, the weight series provides an accurate adjustment. However, if data from multiple survey years are being used, no single set of survey weights provides an accurate adjustment.
If research spans multiple survey years using this web page can create a custom set of survey weights which adjust both for the complex survey design and for using data from multiple years.
If a cohort has not already been selected, or a tag set chosen from the saved one, one must select a cohort before the custom weight data can be accessed.
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Select, "National Longitudinal Survey of Youth 1979" by clicking on the radio button, and Press, Open Cohort. |
After the user selects the cohort and presses the Open Cohort button a page similar to the following will appear from which the user can select the year or years to be weighted.
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Select, "1979 Survey (Round 1)" by clicking on the radio button "Yes"; Select, "Adjust Total Weights For Mortality"; and Press, CREATE CUTOM WEIGHTS button. |
Results
Two files are created as a result of running the custom weight program:
1. a data file, and 2. a README file. Notice the pairing of the data file name and the README file name: "customweight_nlsy79_4203a6b05adb1". If more than one weighting strategy is run, this name pairing helps identify which strategy was used to obtain which data file.
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