[R] functions from 'base' package are not accessible

Jeff Newmiller jdnewmil at dcn.davis.ca.us
Thu Aug 24 19:32:39 CEST 2017


Looks like a bug to me.  I think you need to correspond with the package (tidyr?) maintainer, perhaps by putting a bug report on GitHub.

Next time please make your example reproducible by including the necessary "library" function calls. 
-- 
Sent from my phone. Please excuse my brevity.

On August 24, 2017 4:32:05 AM PDT, Eugeny Melamud <Eugeny.Melamud at lanit-tercom.com> wrote:
>Hi all!
>
>The following code (executed in console)...
>somevar <- data.frame(v1 = 1:5, somestring = 6:10, v3 = 11:15, v4 =
>16:20);
>somevar %>% gather(key = var, value = val, which(names(somevar) ==
>"somestring"):length(somevar)) %>% head(2);
>throws...
>    Error in which(names(somevar) == "somestring") :
>      could not find function "which"
>
>if I change which(names(somevar) == "somestring") with 0 I'll get
>   Error in length(somevar) :
>      could not find function "length"
>
>So it looks like base package is not loaded. Still if type 'which' in
>console I get
>  function (x, arr.ind = FALSE, useNames = TRUE)
>  {
>    wh <- .Internal(which(x))
>    if (arr.ind && !is.null(d <- dim(x)))
>        arrayInd(wh, d, dimnames(x), useNames = useNames)
>    else wh
>  }
>  <bytecode: 0x0000000006c6e258>
>  <environment: namespace:base>
>
>base (that contains which function) package is installed. R version is
>3.4.1 and system is Win8
>
>Where should I look to understand how to fix the problem?
>
>Thank you in advance!
>Eugeny
>
>
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>
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