R help - Apr 2013 - R doesn't recognize utils functions, such as arrayIndex( )

Hi all,

When I called arrayIndex(20:23, dim=c(4,3,3)), it says "Error: could not
find function "arrayIndex"in R". So I called
ls("package:utils") to see the
functions inside:
  [1] "?"
  [2] "adist"
  [3] "alarm"
  [4] "apropos"
  [5] "aregexec"
  [6] "argsAnywhere"
  [7] "arrangeWindows"
  [8] "as.person"
I'm only listing the first 8 results because it has a total of 223  listed
functions,which is too long.

When I looked up utils package, This page
http://astrostatistics.psu.edu/su07/R/html/utils/html/00Index.html shows
exactly the same result, but this page
http://rss.acs.unt.edu/Rdoc/library/R.utils/html/00Index.html shows a
different list and none of the functions listed( such as arrayIndex,
bunzip, doCall) is recognized by R:No documentation for ‘arrayIndex’ in
specified packages and libraries: you could try ‘??arrayIndex’.  So I'm
just confused:

1. why does utils package have two different lists of functions?
2. If arrayIndex() comes with utils package, why can't R recognize it ? If
it doesn't come with utils, then what package should I install to use
functions such as arrayIndex, bunzip, doCall,etc. ?

Thanks!

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Why do you think the utils package and the R.utils package are the same
thing?

Sarah

On Tuesday, April 2, 2013, Yi Yuan wrote:
> Hi all,
>
> When I called arrayIndex(20:23, dim=c(4,3,3)), it says "Error: could
not
> find function "arrayIndex"in R". So I called
ls("package:utils") to see the
> functions inside:
>   [1] "?"
>   [2] "adist"
>   [3] "alarm"
>   [4] "apropos"
>   [5] "aregexec"
>   [6] "argsAnywhere"
>   [7] "arrangeWindows"
>   [8] "as.person"
> I'm only listing the first 8 results because it has a total of 223 
listed
> functions,which is too long.
>
> When I looked up utils package, This page
> http://astrostatistics.psu.edu/su07/R/html/utils/html/00Index.html shows
> exactly the same result, but this page
> http://rss.acs.unt.edu/Rdoc/library/R.utils/html/00Index.html shows a
> different list and none of the functions listed( such as arrayIndex,
> bunzip, doCall) is recognized by R:No documentation for ‘arrayIndex’ in
> specified packages and libraries: you could try ‘??arrayIndex’.  So I'm
> just confused:
>
> 1. why does utils package have two different lists of functions?
> 2. If arrayIndex() comes with utils package, why can't R recognize it ?
If
> it doesn't come with utils, then what package should I install to use
> functions such as arrayIndex, bunzip, doCall,etc. ?
>
> Thanks!
>
>         [[alternative HTML version deleted]]
>
>
-- 
Sarah Goslee
http://www.stringpage.com
http://www.sarahgoslee.com
http://www.functionaldiversity.org

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