CreateNLSdata           Constructor for NLSdata
CreateTimeSeriesDf      Convert Repeated Element into Long Format Data
                        Frame
NLSdata                 NLSdata: A Package for National Longitudinal
                        Survey Analysis
RosterToLongDf          Conversion of Roster Variables to Long Format
ThrowAwayDataForBalance
                        Achieve Balance over Time Period and Respondent
                        by Crude Subsetting
summary.NLSdata         Summarizing Generalized Linear Model Fits
