Nothing
#
# examples of fam.vars declarations
#
famvars1 = data.frame(year=c(2001,2003),
age=c("ER17013","ER21017"),
house.value=c("ER17044","ER21043"),
total.income=c("ER20456","ER24099"),
education=c("ER20457","ER24148"))
famvars2 = data.frame(year=c(1986,1987),
house.value=c("V12524","V13725"),
total.income=c("V13623","V14670"),
education=c("V13640","V14687"))
famvars3 <- data.frame(year=c(1985,1986),
faminc=c("V12371","V13623"),
house.value=c("V11125","V12524"),
educ=c("V12400","V13640"))
#
# examples of ind.vars declarations
#
indvars1 = data.frame(year=c(2001,2003),longitud.wgt=c("ER33637","ER33740"))
indvars2 = data.frame(year=c(1986,1987),ind.weight=c("ER30534","ER30569"))
indvars3 <- data.frame(year=c(1985,1986),ind.weight=c("ER30497","ER30534"))
#
# assume your data directory is ~/datasets/PSID/fam-files
#
d1 <- build.panel(datadir="~/datasets/PSID/fam-files",
fam.vars=famvars1,
ind.vars=indvars1,
design="all")
d2 <- build.panel(datadir="~/datasets/PSID/fam-files",
fam.vars=famvars2,
ind.vars=indvars2,
design="balanced",
verbose=TRUE)
d3 <- build.panel(datadir="~/datasets/PSID/fam-files",
fam.vars=famvars3,
ind.vars=indvars3,
heads.only=FALSE,
core=FALSE)
d4 <- build.panel(fam.vars=famvars3,SAScii=TRUE,verbose=TRUE)
# with SAScii=TRUE data.dir not required
#
# you can specify if a variable is missing in some years
#
fam.vars = data.frame(year=c(2001,2003),
house.value=c(NA,"ER21043"),
total.income=c("ER20456","ER24099"),
education=c("ER20457","ER24148"))
d <- build.panel(datadir="~/datasets/PSID/fam-files",famvars1,design="all")
#
# suppose datadir is empty and you want to download from PSID directly
# (caution: takes a lot of time)
#
famvars4 = data.frame(year=c(2001,2003),
house.value=c(NA,"ER21043"),
total.income=c("ER20456","ER24099"),
education=c("ER20457","ER24148"))
d <- build.panel(datadir="~/datasets/PSID/from-SAS/",
fam.vars=famvars4,design="all")
# will store .rda dataframes into datadir
}
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