A Generic Viewing Function
The function view
provides generic interface to the non-generic
function View
.
In contrast to the implementation of View
provided by either
basic R or RStudio, this function can be extended to
handle new kinds of objects by defining viewPrep
methods for
them. Further, view
can be adapted to other GUIs by specifying
the "vfunc"
option or the vfunc=
optional argument.
Internally, view
usues the generic function viewPrep
to prepare data so it can be passed on to the (non-generic) function
View
or (optionally) a different graphical user interface
function that can be used to display matrix- or data frame-like
objects.
The vfunc
argument determines how the result of viewPrep
is displayed. Its default is the function View
, but an
alternative is view_html
which creates and displays an HTML grid.
view(x, title=deparse(substitute(x)), vfunc=getOption("vfunc","View"), ...) # The internal generic, not intended to be used by the end-user. viewPrep(x,title,...) ## S3 method for class 'data.set' viewPrep(x,title,...) ## S3 method for class 'data.frame' viewPrep(x,title,...) ## S3 method for class 'descriptions' viewPrep(x,title,...) ## S3 method for class 'codeplan' viewPrep(x,title,compact=FALSE,...) ## S3 method for class 'importer' viewPrep(x,title,compact=TRUE,...)
x |
an object, e.g. a data frame, data.set, or importer. |
title |
an optional character string; shown as the title of the display. |
vfunc |
a character string; a name of a GUI function to call
with the results of |
compact |
a logical value; should the codeplan be shown in a compact form - one line per variable - or in a more expanive form - one line per labelled value? |
... |
further arguments; |
## Not run: example(data.set) view(Data) view(description(Data)) view(codeplan(Data)) # Note that this file is *not* included in the package # and has to be obtained from GESIS in order to run the # following ZA7500sav <- spss.file("ZA7500_v2-0-0.sav") view(ZA7500sav) ## End(Not run)
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