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}
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}
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\seealso{
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\seealso{
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  \code{\link{summary}}, \code{\link{args}}.
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  \code{\link{summary}}, \code{\link{args}}.
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}
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}
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\examples{
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\examples{
- 
 
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require(stats)
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## The following examples show some of 'str' capabilities
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## The following examples show some of 'str' capabilities
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str(1:12)
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str(1:12)
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str(ls)
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str(ls)
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str(args)#- more useful than  args(args) !
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str(args) #- more useful than  args(args) !
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data(freeny); str(freeny)
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data(freeny); str(freeny)
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str(str)
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str(str)
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str(.Machine, digits = 20)
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str(.Machine, digits = 20)
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str( lsfit(1:9,1:9))
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str( lsfit(1:9,1:9))
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str( lsfit(1:9,1:9),  max =1)
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str( lsfit(1:9,1:9),  max = 1)
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op <- options(); str(op)#- save first; otherwise internal options() is used.
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op <- options(); str(op) #- save first; otherwise internal options() is used.
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need.dev <- !exists(".Device") || is.null(.Device)
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need.dev <- !exists(".Device") || is.null(.Device)
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if(need.dev) postscript()
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if(need.dev) postscript()
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str(par()); if(need.dev) graphics.off()
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str(par()); if(need.dev) graphics.off()
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ch <- letters[1:12]; is.na(ch) <- 3:5
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ch <- letters[1:12]; is.na(ch) <- 3:5
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nchar(longch <- paste(rep(letters,100), collapse=""))
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nchar(longch <- paste(rep(letters,100), collapse=""))
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str(longch)
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str(longch)
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str(longch, nchar.max = 52)
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str(longch, nchar.max = 52)
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lsf.str()#- how do the functions look like which I am using?
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lsf.str()#- how do the functions look like which I am using?
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ls.str(mode = "list")#- what are the structured objects I have defined?
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ls.str(mode = "list") #- what are the structured objects I have defined?
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## which base functions have "file" in their name ?
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## which base functions have "file" in their name ?
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lsf.str(pos = length(search()), pattern = "file")
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lsf.str(pos = length(search()), pattern = "file")
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\dontshow{
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\dontshow{
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 ##-- Some "crazy" objects
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 ##-- Some "crazy" objects
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 str(array(1:5, dim=20))
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 str(array(1:5, dim=20))