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タイトル R言語
URL https://www.r-project.org/
バージョン 4.0.3   4.0.2   4.0.1   3.6.3   3.6.2   3.6.1   3.6.0   3.5.3   3.5.2   3.5.0   3.4.4  
更新日 2020/10/12
追加日 2016/03/06
種別 フリーソフト
説明 統計処理用のプログラミング言語。

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バージョン履歴

2020/10/12 ver 4.0.3

CHANGES IN R 4.0.3
NEW FEATURES
On platforms using configure option
--with-internal-tzcode, additional values
"internal" and (on macOS only) "macOS" are accepted
for the environment variable TZDIR. (See ?TZDIR.)
On macOS, "macOS" is used by default if the system timezone
database is a newer version than that in the R installation.
When install.packages(type = "source") fails to find
a package in a repository it mentions package versions which are
excluded by their R version requirement and links to hints on
why a package might not be found.
The default value for options("timeout") can be set
from enviromnent variable R_DEFAULT_INTERNET_TIMEOUT, still
defaulting to 60 (seconds) if that is not set or invalid.
This may be needed when child R processes are doing downloads,
for example during the installation of source packages which
download jars or other forms of data.
LINK-TIME OPTIMIZATION on a UNIX-ALIKE
(省略されました)

2020/06/24 ver 4.0.2

CHANGES IN R 4.0.2
UTILITIES
R CMD check skips vignette re-building (with a
warning) if the VignetteBuilder package(s) are not available.
BUG FIXES
Paths with non-ASCII characters caused problems for
package loading on Windows PR#17833.
Using tcltk widgets no longer crashes R on
Windows.
source(*, echo=TRUE) no longer fails in some cases with
empty lines; reported by Bill Dunlap in PR#17769.
on.exit() now correctly matches named arguments, thanks
to PR#17815 (including patch) by Brodie Gaslam.
regexpr(*, perl=TRUE) no longer returns incorrect
positions into text containing characters outside of the Unicode
Basic Multilingual Plane on Windows.

2020/06/09 ver 4.0.1

CHANGES IN R 4.0.1
paste() and paste0() gain a new optional
argument recycle0. When set to true, zero-length
arguments are recycled leading to character(0) after the
sep-concatenation, i.e., to the empty string "" if
collapse is a string and to the zero-length value
character(0) when collapse = NULL.
A package whose code uses this should depend on R (>= 4.0.1).
The summary(<warnings>) method now maps the counts
correctly to the warning messages.
aov(frml, ...) now also works where the formula
deparses to more than 500 characters, thanks to a report and patch
proposal by Jan Hauffa.
Fix a dozen places (code, examples) as Sys.setlocale()
returns the new rather than the previous setting.
Fix for adding two complex grid units via sum().
Thanks to Gu Zuguang for the report and Thomas Lin Pedersen for
the patch.
Fix parallel::mclapply(..., mc.preschedule=FALSE)
(省略されました)

2020/03/01 ver 3.6.3

CHANGES IN R 3.6.3
NEW FEATURES
The included LAPACK has been updated to version 3.9.0 (for
the included routines, just bug fixes).
BUG FIXES
Fixed a C level integer overflow in rhyper(); reported
by Benjamin Tyner in PR#17694.
Uses of url(gzcon(.)) needing to extend buffer size
have failed (with HTTP/2 servers), reported by G叩bor Cs叩rdi.
predict(loess(..), se=TRUE) now errors out (instead of
seg.faulting etc) for large sample sizes, thanks to a report and
patch by Benjamin Tyner in PR#17121.
tools:assertCondition(., "error") and hence
assertError() no longer return errors twice (invisibly).
update(form, new) in the case of a long new
formula sometimes wrongly eliminated the intercept from form,
or (more rarely) added a garbage term (or seg.faulted !); the fix
happened by simplifying the C-level logic of terms.formula().
Reported by Mathias Amb端hl in PR#16326.
(省略されました)

2019/12/15 ver 3.6.2

CHANGES IN R 3.6.2
NEW FEATURES
runmed(x, *) gains a new option na.action
determining how to handle NaN or NA in x.
dotchart() gains new options ann, xaxt,
frame.plot and log.
INSTALLATION on a UNIX-ALIKE
Detection of the C stack direction has been moved from
run-time to configure: this is safer with LTO builds and
allows the detection to be overridden – see file
‘config.site’.
Source-code changes enable installation on platforms using
gcc -fno-common (the expected default for
gcc 10.x).
C-LEVEL FACILITIES
installTrChar (which is nowadays is wrapped by
installChar) is defined in ‘Rinternals.h’. (Neither
are part of the API.)
PACKAGE INSTALLATION
(省略されました)

2019/07/07 ver 3.6.1

CHANGES IN R 3.6.1
INSTALLATION on a UNIX-ALIKE
The default detection of the shell variable libNN is
overridden for derivatives of Debian Linux, some of which have
started to have a ‘/usr/lib64’ directory.
(E.g. Ubuntu 19.04.) As before, it can be specified in
‘config.site’.
UTILITIES
R CMD config knows the values of AR and
RANLIB, often set for LTO builds.
DEPRECATED AND DEFUNCT
The use of a character vector with .Fortran() is
formally deprecated and gives a non-portability warning. (It has
long been strongly discouraged in ‘Writing R Extensions’.)
BUG FIXES
On Windows, GUI package installation via menuInstallPkgs()
works again, thanks to Len Weil's and Duncan Murdoch's PR#17556.
R CMD check on data() fixing PR#17558
thanks to Duncan Murdoch.
(省略されました)

2019/04/28 ver 3.6.0

CHANGES IN R 3.6.0
SIGNIFICANT USER-VISIBLE CHANGES
Serialization format version 3 becomes the default for
serialization and saving of the workspace (save(),
serialize(), saveRDS(), compiler::cmpfile()).
Serialized data in format 3 cannot be read by versions of R prior
to version 3.5.0. Serialization format version 2 is still
supported and can be selected by version = 2 in the
save/serialization functions. The default can be changed back for
the whole R session by setting environment variables
R_DEFAULT_SAVE_VERSION and R_DEFAULT_SERIALIZE_VERSION
to 2. For maximal back-compatibility, files
‘vignette.rds’ and ‘partial.rdb’ generated by R
CMD build are in serialization format version 2, and resave by
default produces files in serialization format version 2 (unless
the original is already in format version 3).
The default method for generating from a discrete uniform
distribution (used in sample(), for instance) has been
changed. This addresses the fact, pointed out by Ottoboni and
(省略されました)

2019/03/12 ver 3.5.3

CHANGES IN R 3.5.3
INSTALLATION on a UNIX-ALIKE
Detection of flags for C++98/11/14/17 has been improved: in
particular if CXX??STD is set, it is tried first with no
additional flags.
PACKAGE INSTALLATION
New macro F_VISIBILITY as an alternative to
F77_VISIBILITY. This will become the preferred form in
R 3.6.0.
BUG FIXES
writeLines(readLines(fnam), fnam) now works as expected,
thanks to Peter Meissner's PR#17528.
setClassUnion() no longer warns, but uses message()
for now, when encountering “non local” subclasses of class members.
stopifnot(exprs = T) no longer fails.

2018/12/21 ver 3.5.2

CHANGES IN R 3.5.2
PACKAGE INSTALLATION
New macro CXX_VISIBILITY analogous to
C_VISIBILITY (which several packages have been misusing for
C++ code) for the default C++ compiler (but not necessarily one used
for non-default C++ dialects like C++14).
TESTING
The random number generator tests in
‘tests/p-r-random-tests.R’ no longer fail occasionally as
they now randomly sample from “certified” random seeds.
BUG FIXES
The "glm" method of drop1() miscalculated the
score test (test="Rao") when the model contained an offset.
Linear multiple empty models such as lm(y ~ 0)
now have a correctly dimensioned empty coefficient matrix;
reported by Brett Presnell.
vcov(<empty mlm>) and hence confint() now
work (via a consistency change in summary.lm()).
confint(<multiple lm()>) now works correctly;
(省略されました)

2018/04/24 ver 3.5.0

CHANGES IN R 3.5.0
SIGNIFICANT USER-VISIBLE CHANGES
All packages are by default byte-compiled on installation.
This makes the installed packages larger (usually marginally so)
and may affect the format of messages and tracebacks (which often
exclude .Call and similar).
NEW FEATURES
factor() now uses order() to sort its levels,
rather than sort.list(). This allows factor() to
support custom vector-like objects if methods for the appropriate
generics are defined. It has the side effect of making
factor() succeed on empty or length-one non-atomic
vector(-like) types (e.g., "list"), where it failed before.
diag() gets an optional names argument: this
may require updates to packages defining S4 methods for it.
chooseCRANmirror() and chooseBioCmirror() no
longer have a useHTTPS argument, not needed now all R
builds support https:// downloads.
New summary() method for warnings() with a
(省略されました)

2018/03/17 ver 3.4.4

CHANGES IN R 3.4.4
NEW FEATURES
Sys.timezone() tries more heuristics on Unix-alikes and so
is more likely to succeed (especially on Linux). For the slowest
method, a warning is given recommending that TZ is set to
avoid the search.
The version of LAPACK included in the sources has been
updated to 3.8.0 (for the routines used by R, a very minor bug-fix
change).
parallel::detectCores(logical = FALSE) is ignored on
Linux systems, since the information is not available with
virtualized OSes.
INSTALLATION on a UNIX-ALIKE
configure will use pkg-config to find the
flags to link to jpeg if available (as it should be for the
recently-released jpeg-9c and libjpeg-turbo). (This
amends the code added in R 3.3.0 as the module name in
jpeg-9c is not what that tested for.)
DEPRECATED AND DEFUNCT
(省略されました)