Error(s) in re-building vignettes:
  ...
--- re-building ‘eph.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Warning in readRDS(gzcon(url(link))) : input string 'DRA EN MEDICINA Y CIRUGP<8d>A' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'ELECTROT<90>CNICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'LIC. EN CIENCIAS M<90>DICAS' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'LIC. TERAP<90>UTICA DE DISCAPACITADOS MOTORES' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'M<90>DICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'M<90>DICO CIRUJANO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'PROFESORADO DE INGL<90>S' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'PROFESORADO DE INGL<90>S, LICENCIATURA EN IDIOMA INGL<90>S' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA EN ELECTR<e0>NICA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA EN TORNER<d6>A INDUSTRIAL' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA EN TURISMO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA HIDRAULICA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA INDUSTRIAL' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA MEC<b5>NICA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA QU<d6>MICA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICA QU<d6>MICA INDUSTRIAL' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO AGRARIO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO BOBINADOS ELECTROMOTRICES' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO ELECTR<e0>NICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO ELECTRICISTA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO ELECTROMEC<b5>NICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO EN ELECTROMEC<b5>NICA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO EN FARMACIA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO EN FARMACIA Y LABORATORIO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO EN MOTORES DIESEL' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO EN TURISMO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO GRAFICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO INDUSTRIAL' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO INDUSTRIAL MEC<b5>NICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO INSTRUMENTISTA' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO MAESTRO MAYOR DE OBRAS' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO MEC<b5>NICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO MECANICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO PROTESISTA DENTAL' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO QU<a1>MICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO QU<d6>MICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Warning in readRDS(gzcon(url(link))) : input string 'T<90>CNICO TORNERO MEC<b5>NICO' cannot be translated to UTF-8, is it valid in 'CP1252'?
Quitting from lines 78-79 (eph.Rmd) 
Error: processing vignette 'eph.Rmd' failed with diagnostics:
undefined exports: set2key, set2keyv
--- failed re-building ‘eph.Rmd’

--- re-building ‘estimacion_pobreza.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
--- finished re-building ‘estimacion_pobreza.Rmd’

SUMMARY: processing the following file failed:
  ‘eph.Rmd’

Error: Vignette re-building failed.
Execution halted