build.panel             build.panel: Build PSID panel data set
build.psid              Build example PSID
get.psid                get.psid connects to PSID database and
                        downloads into Rda
get.variable.names      This function helps the user save a lot of time
                        in building a data table containing the
                        original PSID variable codes (e.g. ER30046) for
                        each desired year and checks on the psidonline
                        web site in which years a variable is available
                        or not. Information is obtained on
                        https://simba.isr.umich.edu/VS/s.aspx.
getNamesPSID            GetPSID variables names from various years
make.char               Convert factor to character
makeids                 ID list for mergeing PSID
psidR                   psidR
testPSID                Create a test PSID dataset
