View source: R/BIFIE.data.select.R
BIFIEdata.select | R Documentation |
BIFIEdata
This function select variables and some (or all) imputed datasets of
an object of class BIFIEdata
and saves the resulting
object also of class BIFIEdata
.
BIFIEdata.select(bifieobj, varnames=NULL, impdata.index=NULL)
bifieobj |
Object of class |
varnames |
Variables chosen for the selection |
impdata.index |
Selected indices of imputed datasets |
An object of class BIFIEdata
saved in a non-compact
or compact way, see value cdata
See BIFIE.data
for creating BIFIEdata
objects.
############################################################################# # EXAMPLE 1: Some manipulations of BIFIEdata objects created from data.timss1 ############################################################################# data(data.timss1) data(data.timssrep) # create BIFIEdata bdat1 <- BIFIEsurvey::BIFIE.data( data.list=data.timss1, wgt=data.timss1[[1]]$TOTWGT, wgtrep=data.timssrep[, -1 ]) summary(bdat1) # create BIFIEcdata object bdat2 <- BIFIEsurvey::BIFIE.data( data.list=data.timss1, wgt=data.timss1[[1]]$TOTWGT, wgtrep=data.timssrep[, -1 ], cdata=TRUE ) summary(bdat2) # selection of variables for BIFIEdata object bdat1a <- BIFIEsurvey::BIFIEdata.select( bdat1, varnames=bdat1$varnames[ 1:7 ] ) # selection of variables and 1st, 2nd and 4th imputed datasets of BIFIEcdata object bdat2a <- BIFIEsurvey::BIFIEdata.select( bdat2, varnames=bdat2$varnames[ 1:7 ], impdata.index=c(1,2,4) ) summary(bdat1a) summary(bdat2a)
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