| eval.js {sendplot} | R Documentation |
This function evaluates expressions.
eval.js(expr,
envir=parent.frame(),
enclos=if(is.list(envir)||is.pairlist(envir)) parent.frame())
expr |
character string of an expression to evaluate |
envir |
passed to eval function. see eval |
enclos |
passed to eval function. see eval |
Wrapper to the eval functions from the R base package. Evaluates character expression.
will return the evaluated expression
uses function eval from base package
James Java
R base package function eval
eval
df = list()
df$a = rep(1,5)
df$b = rep("one",5)
df = as.data.frame(df)
#for comparison view
df
eval.js("df$new = NA")
df