WebStatR
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For security reasons, the following functions cannot be used in WebStatR.
  Command Description
1 read  
2 read.table  
3 write  
4 write.table  
5 scan  
6 .C The functions '.C' and '.Fortran' can be used to make calls to C and Fortran code.
7 .Call '.Call' and '.Call.graphics' can be used call compiled code which makes use of internal R objects.
8 .Call.graphics '.Call' and '.Call.graphics' can be used call compiled code which makes use of internal R objects.
9 .External '.External' and '.External.graphics' can be used to call compiled code that uses R objects in the same way as internal R functions.
10 .External.graphics '.External' and '.External.graphics' can be used to call compiled code that uses R objects in the same way as internal R functions.
11 .Fortran The functions '.C' and '.Fortran' can be used to make calls to C and Fortran code.
12 .readRDS A simple low level interface for serializing to connections.
13 .saveRDS A simple low level interface for serializing to connections.
14 .Script Run a script through its interpreter with given arguments.
15 .Tcl Low-level Tcl/Tk Interface.
16 .Tcl.args Low-level Tcl/Tk Interface.
17 .Tcl.callback Low-level Tcl/Tk Interface.
18 .Tk.ID Low-level Tcl/Tk Interface.
19 .Tk.newwin Low-level Tcl/Tk Interface.
20 .Tk.subwin Low-level Tcl/Tk Interface.
21 .Tkroot Low-level Tcl/Tk Interface.
22 .Tkwin Low-level Tcl/Tk Interface.
23 basename 'basename' removes all of the path up to the last path separator (if any).
24 browseURL Load a given URL into a WWW browser.
25 bzfile Function to create, open and close connections.
26 capture.output Evaluates its arguments with the output being returned as a character string or sent to a file. Related to 'sink' in the same way that 'with' is related to 'attach'.
27 close 'close' closes and destroys a connection.
28 close.screen 'close.screen' removes the specified screen definition(s).
29 closeAllConnection 'closeAllConnections' closes (and destroys) all open user connections, restoring all 'sink' diversions as it does so.
30 data.entry A spreadsheet-like editor for entering or editing data.
31 data.restore Reads binary data files or 'data.dump' files that were produced in S version 3.
32 dataentry A spreadsheet-like editor for entering or editing data.
33 de( A spreadsheet-like editor for entering or editing data.
34 dev.control 'dev.control' allows the user to control the recording of graphics operations in a device.
35 dev.copy2eps 'dev.copy2eps' is similar to 'dev.print' but produces an EPSF output file, in portrait orientation ('horizontal = FALSE').
36 dev.cur This function provides control over multiple graphics devices.
37 dev.list This function provides control over multiple graphics devices.
38 dev.next This function provides control over multiple graphics devices.
39 dev.prev This function provides control over multiple graphics devices.
40 dev.print This function provides control over multiple graphics devices.
41 dev.set This function provides control over multiple graphics devices.
42 dev2bitmap 'dev2bitmap' copies the current graphics device to a file in a graphics format.
43 dget Writes an ASCII text representation of an R object to a file or connection, or uses one to recreate the object.
44 dir This function produces a list containing the names of files in the named directory.
45 dir.create 'dir.create' creates a directory.
46 dirname 'dirname' returns the part of the 'path' up to (but excluding) the last path separator, or '"."' if there is no path separator.
47 do.call 'do.call' executes a function call from the name of the function and a list of arguments to be passed to it.
48 download.file This function can be used to download a file from the Internet.
49 dput Writes an ASCII text representation of an R object to a file or connection, or uses one to recreate the object.
50 dump This function takes a vector of names of R objects and produces text representations of the objects on a file or connection.
51 dyn.load Load or unload shared libraries, and test whether a C function or Fortran subroutine is available.
52 edit Invoke a text editor on an R object.
53 edit.data.frame Use data editor on data frame or matrix contents.
54 emacs Invoke a text editor (emacs) on an R object.
55 erase.screen 'erase.screen' is used to clear a single screen, which it does by filling with the background colour.
56 example Run all the R code from the *Examples* part of R's online help topic 'topic' with two possible exceptions, 'dontrun' and 'dontshow', see Details below.
57 fifo Function to create, open and close connections.
58 file Function to create, open and close connections.
59 file.access Utility function to access information about files on the user's file systems.
60 file.append 'file.append' attempts to append the files named by its second argument to those named by its first. The R subscript recycling rule is used to align names given in vectors of different lengths.
61 file.choose Choose a file interactively.
62 file.copy 'file.copy' works in a similar way to 'file.append' but with the arguments in the natural order for copying.
63 file.create 'file.create' creates files with the given names if they do not already exist and truncates them if they do.
64 file.exists 'file.exists' returns a logical vector indicating whether the files named by its argument exist.
65 file.info Utility function to extract information about files on the user's file systems.
66 file.path Construct the path to a file from components in a platform-independent way.
67 file.remove 'file.remove' attempts to remove the files named in its argument.
68 file.rename 'file.rename' attempts to rename a single file.
69 file.show Display one or more files.
70 file.symlink 'file.symlink' makes symbolic links on those Unix-like platforms which support them.
71 fix 'fix' invokes 'edit' on 'x' and then assigns the new (edited) version of 'x' in the user's workspace.
72 getConnection 'getConnection' returns a connection object, or 'NULL'.
73 getwd 'getwd' returns an absolute filename representing the current working directory of the R process; 'setwd(dir)' is used to set the working directory to 'dir'.
74 graphics.off 'graphics.off()' shuts down all open graphics devices.
75 gzcon 'gzcon' provides a modified connection that wraps an existing connection, and decompresses reads or compresses writes through that connection.
76 gzfile 'gzfile' applies to files compressed by 'gzip', and 'bzfile' to those compressed by 'bzip2': such connections can only be binary.
77 INSTALL Utility for installing add-on packages.
78 install.packages Download Packages from CRAN.
79 jpeg A graphics device for JPEG format bitmap files.
80 library.dynam Load the specified file of compiled code if it has not been loaded already, or unloads it.
81 list.files This function produces a list containing the names of files in the named directory. 'dir' is an alias.
82 loadhistory Load the commands history.
83 locator Reads the position of the graphics cursor when the (first) mouse button is pressed.
84 lookup.xport Lookup information on a SAS XPORT format library
85 make.packages.html Functions to re-create the HTML documentation files to reflect all installed packages.
86 make.socket Create a Socket Connection.
87 menu 'menu' presents the user with a menu of choices labelled from 1 to the number of choices.
88 open 'open' opens a connection.
89 parent.frame Function to Access the Function Call Stack.
90 path.expand Expand a path name, for example by replacing a leading tilde by the user's home directory (if defined on that platform).
91 pdf 'pdf' starts the graphics device driver for producing PDF graphics.
92 pico Invoke a text editor (pico) on an R object.
93 pictex This function produces graphics suitable for inclusion in TeX and LaTeX documents.
94 pipe Function to create, open and close connections.
95 png A graphics device for PNG format bitmap files.
96 postscript 'postscript' starts the graphics device driver for producing PostScript graphics.
97 print.socket Related to 'make.socket'.
98 prompt Facilitate the constructing of files documenting R objects.
99 promptData Generates a shell of documentation for a data set.
100 quartz 'quartz' starts a graphics device driver for the MacOS X System. This can only be done on machines that run MacOS X.
101 R.home Return the R home directory.
102 R.version 'R.Version()' provides detailed information about the version of R running.
103 read.00Index Read 00Index-style Files.
104 read.dta Read Stata binary files.
105 read.epiinfo Read Epi Info data files
106 read.fwf Read a "table" of *f*ixed *w*idth *f*ormatted data into a 'data.frame'.
107 read.mtp Read a Minitab Portable Worksheet.
108 read.socket 'read.socket' reads a string from the specified socket.
109 read.spss Read an SPSS data file.
110 read.ssd Obtain a data frame from a SAS permanent dataset.
111 read.xport Read a SAS XPORT format library.
112 readBin Read binary data from a connection.
113 readline 'readline' reads a line from the terminal.
114 readLines Read text lines from a connection.
115 remove.packages Removes installed packages and updates index information as necessary.
116 Rprof Enable or disable profiling of the execution of R expressions.
117 save 'save' writes an external representation of R objects to the specified file.
118 savehistory Save the commands history.
119 scan Read data into a vector or list from the console or file.
120 screen 'screen' is used to select which screen to draw in.
121 seek Functions to re-position connections.
122 setwd 'getwd' returns an absolute filename representing the current working directory of the R process.
123 showConnection 'showConnections' returns a character matrix of information with a row for each connection, by default only for open non-standard connections.
124 sink 'sink' diverts R output to a connection.
125 sink.number 'sink.number()' reports how many diversions are in use.
126 socketConnection Function to create, open and close connections.
127 source Read R Code from a File or a Connection.
128 split.screen 'split.screen' defines a number of regions within the current device which can, to some extent, be treated as separate graphics devices.
129 stderr 'stdin()', 'stdout()' and 'stderr()' return connection objects.
130 stdin 'stdin()', 'stdout()' and 'stderr()' return connection objects.
131 stdout 'stdin()', 'stdout()' and 'stderr()' return connection objects.
132 sys.call Function to Access the Function Call Stack.
133 sys.calls Function to Access the Function Call Stack.
134 sys.frame Function to Access the Function Call Stack.
135 sys.frames Function to Access the Function Call Stack.
136 sys.function Function to Access the Function Call Stack.
137 Sys.getenv 'Sys.getenv' obtains the values of the environment variables named by 'x'.
138 Sys.getlocale Get details of or set aspects of the locale for the R process.
139 Sys.info Reports system and user information.
140 sys.nframe Function to Access the Function Call Stack.
141 sys.on.exit Function to Access the Function Call Stack.
142 sys.parent Function to Access the Function Call Stack.
143 sys.parents Function to Access the Function Call Stack.
144 Sys.putenv 'putenv' sets environment variables (for other processes called from within R or future calls to 'Sys.getenv' from this R process).
145 Sys.sleep Suspend execution of R expressions for a given number of seconds.
146 Sys.source Parse and Evaluate Expressions from a File.
147 sys.source Parse and Evaluate Expressions from a File.
148 sys.status Function to Access the Function Call Stack.
149 Sys.time 'Sys.time' and 'Sys.Date' returns the system's idea of the current date with and without time.
150 system 'system' invokes the OS command specified by 'command'.
151 system.file Finds the full file names of files in packages etc.
152 tempfile 'tempfile' returns a vector of character strings which can be used as names for temporary files.
153 textConnection Input and output text connections.
154 tkpager Page file using Tk text widget.
155 tkStartGUI Tcl/Tk GUI startup.
156 unlink 'unlink' deletes the file(s) or directories specified by 'x'.
157 unz 'unz' reads (only) single files within zip files, in binary mode.
158 update.packages Download Packages from CRAN.
159 url Function to create, open and close connections.
160 url.show Display a text URL.
161 vi Invoke a text editor (vi) on an R object.
162 write Write Data to a File.
163 write.dta Write files in Stata binary format.
164 write.ftable Manipulate Flat Contingency Tables.
165 write.socket 'write.socket' writes to the specified socket.
166 write.table 'write.table' prints its required argument 'x' (after converting it to a data frame if it is not one already) to 'file'.
167 writeBin Write binary data to a connection.
168 writeLines Write Lines to a Connection.
169 x11 'X11' starts a graphics device driver for the X Window System (version 11).
170 X11 'X11' starts a graphics device driver for the X Window System (version 11).
171 xedit Invoke a text editor on an R object.
172 xemacs Invoke a text editor on an R object.
173 xfig 'xfig' starts the graphics device driver for producing XFig (version 3.2) graphics.
174 zip.file.extract This will extract the file named 'file' from the zip archive, if possible, and write it in a temporary location.