Parse Expression
livia wrote:
Hello everyone, I would like to construct a datafram with the following
command.
eval(parse(text=paste("df=data.frame(", cmd, ")", sep="")))
But it comes out " Error in parse(file, n, text, prompt, srcfile, encoding)
:
syntax error, unexpected $undefined, expecting ',' in
"df=data.frame(cbcDummy10to12 = 1,cbcForeWrld_Ret = 1,cbcYC10-2_"
"cmd" is a character string I obtained before, it is like:
cmd
[1] "cbcDummy10to12 = 1,cbcForeWrld_Ret = 1,cbcYC10-2_wld = 1"
Could anyone give me some advice? Many thanks.
You can't have a hyphen "-" in a variable name, i.e. cbcYC10-2_wld is not legal. It is treated as a subtraction. I think the "$undefined" refers to 2_wld; the parser has no idea what that is supposed to be. Duncan Murdoch