selectizeInput('rtemplate','R origin:',choices=c(`None`='none',`R from source`='source',`R from r-base`='base',`R from CRAN depo`='cran'),selected="source",multiple=FALSE),
selectizeInput('rtemplate','R origin:',choices=c(`None`='none',`R from source 3.4.3`='source',`R from source 3.4.4`='source2',`R from source 3.5.0`='source3',`R from r-base`='base',`R from CRAN depo`='cran'),selected="source",multiple=FALSE),