That did it. Thanks!
What I was getting was
> temp
GDP CPIYOY
23832 3108.2 garbage
23923 garbage 1.8
24015 3214.1 1.8
24107 3291.8 2
> str(temp)
`data.frame': 4 obs. of 2 variables:
$ GDP :Error in importIntoEnv(impenv, impnames, ns, impvars) :
objects 'dev.interactive', 'palette', 'extendrange', 'xy.coords' are
not exported by 'namespace:grDevices'
>
so your tip of
>
temp$GDP
<-
as.numeric(as.character(temp$GDP))
did the trick.
Two twists:
1. I am not sure what characters will actually be garbage but I see that
as.numeric coerces any garbage to be NA automatically so I don't search and
replace.
2. Since I contemplated 'garbage' scattered about I need to step through the
vectors in the frame
for (j in 1:dim(hist)[2]){hist[,j]<- as.numeric(as.character(hist[,j]))}
Although I suspect, given how powerful R is, there is a way to avoid the for
loop and operate on the whole frame. Anyway, problem solved!
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