Dear R-Users,

I was using survey for the past years and now I am experiencing some
problems with scripts that was working in the past.

We are working with big data bases so I can't put all variables that I will
use in the svydesign.


Script working:
> data(api)

> dclus1<-svydesign(id=apiclus1$dnum, weights=apiclus1$pw, fpc=apiclus1$fpc)
> svyby(apiclus1$api99,apiclus1$stype, dclus1, svymean)
  by       V1       se
E  E 607.7917 22.81660
H  H 595.7143 41.76400
M  M 608.6000 32.56064
> svyby(apiclus1$api99,~apiclus1$stype, dclus1, svymean)
  apiclus1$stype       V1       se
E              E 607.7917 22.81660
H              H 595.7143 41.76400
M              M 608.6000 32.56064

> dclus1<-svydesign(id=~dnum, weights=~pw, data=apiclus1, fpc=~fpc)
> svyby(~api99, ~stype, dclus1, svymean)
  stype    api99 se.api99
E     E 607.7917 22.81660
H     H 595.7143 41.76400
M     M 608.6000 32.56064

> sessionInfo()
R version 2.12.1 (2010-12-16)
Platform: x86_64-pc-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=Portuguese_Brazil.1252  LC_CTYPE=Portuguese_Brazil.1252
 LC_MONETARY=Portuguese_Brazil.1252
[4] LC_NUMERIC=C                       LC_TIME=Portuguese_Brazil.1252

attached base packages:
[1] grDevices datasets  splines   graphics  stats     tcltk     utils
methods   base

other attached packages:
[1] gdata_2.8.2     survey_3.26     foreign_0.8-42  SOAR_0.99-8
svSocket_0.9-51 TinnR_1.0.3     R2HTML_2.2
[8] Hmisc_3.8-3     survival_2.36-2

loaded via a namespace (and not attached):
[1] cluster_1.14.1  grid_2.12.1     gtools_2.6.2    lattice_0.19-33
svMisc_0.9-63   tools_2.12.1



script not working:

> data(api)
>
> dclus1<-svydesign(id=apiclus1$dnum, weights=apiclus1$pw, fpc=apiclus1$fpc)
> svyby(apiclus1$api99,apiclus1$stype, dclus1, svymean)
Erro em svyby.default(apiclus1$api99, apiclus1$stype, dclus1, svymean) :
  objeto 'byfactor' não encontrado
> svyby(apiclus1$api99,~apiclus1$stype, dclus1, svymean)
Erro em svyby.default(apiclus1$api99, ~apiclus1$stype, dclus1, svymean) :
  objeto 'byfactor' não encontrado
>
> dclus1<-svydesign(id=~dnum, weights=~pw, data=apiclus1, fpc=~fpc)
> svyby(~api99, ~stype, dclus1, svymean)
  stype    api99       se
E     E 607.7917 22.81660
H     H 595.7143 41.76400
M     M 608.6000 32.56064
> sessionInfo()
R version 3.0.3 (2014-03-06)
Platform: x86_64-w64-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=Portuguese_Brazil.1252  LC_CTYPE=Portuguese_Brazil.1252
 LC_MONETARY=Portuguese_Brazil.1252 LC_NUMERIC=C
LC_TIME=Portuguese_Brazil.1252

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] survey_3.29-5

loaded via a namespace (and not attached):
[1] tools_3.0.3
>

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