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------------------------------
New features:
- Add new argument 'byrow' to upperTriangle(), lowerTriangle(),
upperTriangle<-(), and lowerTriangle<-() to specify by-row rather
by-column order. This makes it simpler to copy values between the
lower and upper triangular areas, e.g. to construct a symmetric
matrix.
Other changes:
- Add inline comments to tests to alert reviewers of expected diffs on
systems lacking the libraries for read.xls() to support XLSX
formatted files.
Changes in 2.16.1 (2015-04-28)
-----------------------------
Bug fixes:
- mapLevels() no longer generates warnings about conversion of lists to vectors.
Other changes:
- Requirement for Perl version 5.10.0 or later is specified in the
package DESCRITION.
- first() and last() are now simply wrappers for calls to 'head(x, n=1)' and
'tail(x, n=1)', respectively.
Changes in 2.16.0 (2015-04-25)
------------------------------
New features:
- New functions first() and last() to return the first or last element
of an object.
- New functions left() and right() to return the leftmost or
rightmost n (default to 6) columns of a matrix or dataframe.
- New 'scientific' argument to write.fwf(). Set 'scientific=FALSE' to
prevent numeric columns from being displayed using scientific
notification.
- The 'standard' argument to humanReadable() now accepts three values,
'SI' for base 1000 ('MB'), 'IEC' for base 1024 ('MiB'), and 'Unix'
for base 1024 and single-character units ('M')
- object.size() now returns objects with S3 class 'object_sizes' (note the
final 's') to avoid conflicts with methods in utils for class 'object_size'
provided by package 'utils' which can only handle a scalar size.
- New 'units' argument to humanReadable()--and hence to
print.object_sizes() and format.object_sizes()--that permits
specifying the unit to use for all values. Use 'bytes' to display
all values with the unit 'bytes', use 'auto' (or leave it missing) to
automatically select the best unit, and use a unit from the selected
standard to use that unit (i.e. 'MiB').
- The default arguments to humanReadable() have changed. The defaults
are now 'width=NULL' and 'digits=1', so that the default behavior is
now to show digit after the decimal for all values.
Bug fixes:
- reorder.factor() was ignoring the argument 'X' unless 'FUN' was
supplied, making it incompatible with the behavior of
stats:::reorder.default(). This has been corrected, so that calling
reorder on a factor with arguments 'X' and/or 'FUN' should now
return the same results whether gdata is loaded or not. (Reported
by Sam Hunter.)
- write.fwf() now properly supports matrix objects, including matrix
objects without column names. (Reported by Carl Witthoft.)
Other changes:
- Replaced deprecated PERL function POSIX::isdigit in xls2csv.pl
(which is used by read.xls() ) with an equivalent regular
expression. (Reported by both Charles Plessy, Gerrit-jan Schutten,
and Paul Johnson. Charles also provided a patch to correct the
issue.)
- aggregate.table(), which has been defunct gdata 2.13.3 (2014-04-04)
has now been completely removed.
Changes in 2.14.0 (2014-08-27)
------------------------------
Bug Fixes:
- read.xls() can now properly process XLSX files with up to 16385 columns (the
maximum generated by Microsoft Excel).
- read.xls() now properly handles XLS/XLSX files that use 1904-01-01
as the reference value for dates instead of 1900-01-01 (the
default for MS-Excel files created on the Mac).
Other changes:
- Updated perl libraries and code underlying read.xls() to the latest
version, including switching from Spreadsheet::XLSX to
Spreadsheet::ParseXLSX.
Changes in 2.13.3 (2014-04-04)
------------------------------
Bug Fixes:
- Unit tests were incorrectly checking for equality of optional POSIXlt
components. (Bug reported by Brian Ripley).
Other Changes:
- 'aggregate.table' is now defunct. See '?gdata-defunct' for details.
- Unit tests and vignettes now follow R standard practice.
- Minor changes to clean up R CMD check warnings.
Changes in 2.13.2 (2013-06-28)
------------------------------
Enhancements:
- Simplify ll() by converting a passed list to an environment,
avoiding the need for special casing and the use of attach/detach.
- Working of deprecation warning message in aggregate.table clarified.
Changes in 2.13.1 (2013-03-24)
------------------------------
Enhancements:
- Replaced calls to depreciated function ".path.package" with the new
public function "path.package".
Changes in 2.13.0 (2012-09-20)
-----------------------------
New features:
- New 'duplicated2' function which returns TRUE for *all* elements
that are duplicated, including the first, contributed by Liviu
Andronic. This differs from 'duplicated', which only returns the
second and following (second-to last and previous when
'fromLast=TRUE') duplicate elements.
- New 'ans' functon to return the value of the last evaluated
top-level function (a convenience function for accessing
.Last.value), contributed by Liviu Andonic.
Bug Fixes:
- On windows, warning messages printed to stdout by perl were being
included in the return value from 'system', resulting in errors in
'sheetCount' and 'sheetNames'. Corrected.
- The 'MedUnits' column names 'SIUnits' and 'ConventionalUnits' were
reversed and misspelled.
Changes in 2.12.0 (2012-09-12)
------------------------------
Other Changes:
- 'stats::aggregate' was made into a generic on 27-Jan-2010, so that
attempting to call 'aggregate' on a 'table' object will now
incorrectly call 'aggregate.table'. Since 'aggregate.table' can be
replaced by a call to tapply using two index vectors, e.g.
aggregate.table(x, by1=a, by2=b, mean)
can be replaced by
tapply(x, INDEX=list(a, b), FUN=mean),
the 'aggregate.table' function will now display a warning that it
is depreciated and recommending the equivalent call to tapply. It
will be removed entirely in a future version of gdata.
Changes in 2.11.1 (2012-08-22)
------------------------------
Enhancements:
- read.xls() now supports fileEncoding argument to allow non-ascii
encoded data to be handled. See the manual page for an example.
Bug Fixes:
- The perl script utilized by read.xls() was incorrectly appending a
space character at the end of each line, causing problems with
character and NA entries in the final column.
Changes in 2.11.0 (2012-06-18)
------------------------------
New Features:
- read.xls() and supporting functions now allow blank lines to be
preserved, rather than skipped, by supplying the argument
"blank.lines.skip=FALSE". The underlying perl function has been
extended to suppor this via an optional "-s" argument which, when
present, *preserves* blank lines during the conversion. (The
default behavior remains unchanged.)
Other Changes:
- Add SystemRequirements field specifying that perl is necessary for
gdata to function fully.
Changes in 2.10.6 (2012-06-12)
------------------------------
Bug fixes:
- gdata::nobs.default() needs to handle logical vectors in addition to
numeric vectors.
Changes in 2.10.{3,4,5} (2012-06-08)
------------------------------------
Bug fixes:
- Mark example for installXLSsupport() as dontrun so R CMD check won't
fail on systems where PERL is not fully functional.
- Correct name of installXLSsupport() in tests/test.read.xls.R.
Other Changes:
- Add dependency on R 2.13.0, since that is when stats::nobs appeared.
Changes in 2.10.2 (2012-06-06)
---------------------------------------
Bug fixes:
- Fix issues in nobs.default identified in testing with the gmodels package.
Changes in 2.10.1 (2012-06-06)
------------------------------
Bug fixes:
- Undo removal of 'nobs' and 'nobs.lm'. Instead define aliases for
'nobs' and 'nobs.lm' to support backward compatibility for packages
depending on gdata.
Changes in 2.10.0 (2012-06-05)
------------------------------
New features:
- New ls.funs() function to list all objects of class function in the
specified environment.
- New startsWith() function to determine if a string "starts with" the
specified characters.
Enhancements:
- Add 'na.strings' argument to read.xls() to convert Excel's '#DIV/0!' to NA.
Bug fixes:
- Correct various R CMD check warnings
Other changes:
- Base S3 method for nobs() and nobs.lm() method removed since these
are now provided in the stats package.
Changes in 2.9.0 (2011-09-30)
-----------------------------
New features:
- Add centerText() function to center text strings for a specified
width.
- Add case() function, a vectorized variant of the base::switch()
function, which is useful for converting numeric codes into factors.
Enhancements:
- Minor improvements to xls2csv() man page.
CHANGES IN 2.8.1 (2011-04-15)
-----------------------------
Enhancements:
- nPairs() gains a summary method that shows how many times each variable
is known, while the other variable of a pair is not
Bug fixes:
- Fix errors on windows when R or Perl install path includes spaces by properly quoting the path.
CHANGES IN 2.8.1 (2010-11-12)
-----------------------------
Enhancements:
- Minor improvement to Args(), read.xls() man page.
Bug fixes:
- Modify write.fwf() to capture and pass on additional arguments for
write.table(). This resolves a bug reported by Jan Wijffels.
- Modify xls2sep.R to avoid use of file.access() which is unreliable
on Windows network shares.
CHANGES IN 2.8.0 (2010-04-03)
-----------------------------
Enhancements:
- When loaded, gtools (via an .onAttach() function) now checks:
1) if perl is available
2) whether the perl libraries for XLS support are available
3) whether the perl libraries for XLSX support are available
If perl is not available, an appropriate warning message is displayed.
If necessary perl libraries are not available, a warning message is
displayed, as is a message suggesting the user run the (new)
installXLSXsupport() function to attempt to install the necessary
perl libraries.
- The function installXLSXsupport() has been provided to install the
binary perl modules that read.xls needs to support Excel 2007+
'XLSX' files.
CHANGES IN 2.7.3 (2010-04-02)
-----------------------------
Enhancements:
- New xlsFormats() command to determine which Excel formats are
supported (XLS, XLSX).
Bug Fixes:
- No longer attempt to install perl modules Compress::Raw::Zlib and
Spreadsheet::XLSX at build/compile time. This should resolve recent
build issues, particularly on Windows.
- All perl code can now operate (but generate warnings) when perl modules Compress::Raw::Zlib and
Spreadsheet::XLSX when are not installed.
- Also update Greg's email address.
CHANGES IN 2.7.1 (2010-02-19)
-----------------------------
Enhancements:
- on Windows attempts to locate ActiveState perl if perl= not specified and
Rtools perl would have otherwise been used in read.xls and other perl
dependent functions.
CHANGES IN 2.7.0 (2010-01-25)
-----------------------------
Bug Fixes:
- Fix building of Perl libraries on Win32
CHANGES IN 2.7.0 (2010-01-25)
-----------------------------
Enhancements:
- read.xls() now supports Excel 2007 'xlsx' files.
- read.xls() now allows specification of worksheet by name
- read.xls() now supports ftp URLs.
- Improved ll() so user can limit output to specified classes
New Functions:
- sheetCount() and sheetNames() to determine the number and names of
worksheets in an Excel file, respectively.
Bug Fixes:
- Fix formatting warning in frameApply().
- Resolve crash of "ll(.GlobalEnv)"
-
CHANGES IN 2.6.1 (2009-07-15)
-----------------------------
Bug Fixes
- Modify unit tests to avoid issues related to time zones.
CHANGES IN 2.6.0 (2009-07-15)
-----------------------------
Bug Fixes
- Correct minor typos & issues in man pages for write.fwf(),
resample() (Greg Warnes)
- Correct calculation of object sizes in env() and ll() (Gregor Gorjanc)
New Features
- Add support for using tab for field separator during translation
from xls format in read.xls (Greg Warnes)
- Enhanced function object.size that returns the size of multiple
objects. There is also a handy print method that can print size of
an object in "human readable" format when
options(humanReadable=TRUE)
or
print(object.size(x), humanReadable=TRUE).
(Gregor Gorjanc)
- New function wideByFactor that reshapes given dataset by a given
factor - it creates a "multivariate" data.frame. (Gregor Gorjanc)
- New function nPairs that gives the number of variable pairs in a
data.frame or a matrix. (Gregor Gorjanc)
- New functions getYear, getMonth, getDay, getHour, getMin, and getSec
for extracting the date/time parts from objects of a date/time
class. (Gregor Gorjanc)
- New function bindData that binds two data frames into a multivariate
data frame in a different way than merge. (Gregor Gorjanc)
Other Changes
- Correct Greg's email address
CHANGES IN 2.5.0
----------------
- New function .runRUnitTestsGdata that enables run of all RUnit tests during
the R CMD check as well as directly from within R.
- Enhanced function object.size that returns the size of multiple objects. There
is also a handy print method that can print size of an object in "human readable"
format when options(humanReadable=TRUE) or print(x, humanReadable=TRUE).
- New function bindData that binds two data frames into a multivariate data frame
in a different way than merge.
- New function wideByFactor that reshapes given dataset by a given factor -
it creates a "multivariate" data.frame.
- New functions getYear, getMonth, getDay, getHour, getMin, and getSec for
extracting the date/time parts from objects of a date/time class.
- New function nPairs that gives the number of variable pairs in a data.frame
or a matrix.
- New function trimSum that sums trimmed values.
- New function cbindX that can bind objects with different number of rows.
- write.fwf gains the width argument. The value for unknown can increase or
decrease the width of the columns. Additional tests and documentation fixes.
CHANGES IN 2.4.2 (2008-05-11)
-----------------------------
- Enhancements and bug fixes for read.xls() and xls2csv():
- More informative log messages when verbose=TRUE
- File paths containing spaces or other non-traditional characters
are now properly handled
- Better error messages, particularly when perl fails to generate
an output .csv file.
- The 'shortcut' character "~" (meaning user's home directory) is
now properly handled in file paths.
- XLS files created by OpenOffice are now properly handled. Thanks to
Robert Burns for pointing out the patch
(http://rt.cpan.org/Public/Bug/Display.html?id=7206)
CHANGES IN 2.4.1 (2008-03-24)
-----------------------------
- Update perl libraries needed by xls2csv() and read.xls()
to latest available versions on CRAN.
- Add read.xls() to exported function list
- Correct iris.xls example file. It didn't contain the complete
& properly formatted iris data set. Fixed.
- Fix typo in win32 example for read.xls()
CHANGES IN 2.4.0 (2008-01-30)
-----------------------------
- The keep() function now includes an 'all' argument to specify how
objects with names starting with '.' are handled.
- keep() now shows an informative warning message when a requested
object does not exist
- New vignette "Mapping Levels of a Factor" describing the use of
mapLevels().
- New vignette "Working with Unknown Values" describing the use of
isUnknown() and unknownToNA().
- Several enhancements to read.xls() (thanks to Gabor Grothendieck):
- New function xls2csv(), which handles converting an xls file
to a csv file and returns a connection to the
temporary csv file
- xls2csv() and read.xls() both allow a file or a url to be specified
- read.xls() has a new 'pattern' argument which, if supplied,
will ignore everything prior to the first line in th csv file
that matches the pattern. This is typically used if there
are a variable number of comment lines prior to the header
in which case one can specify one of the column
headings as the pattern. read.xls should
be compatible with the old read.xls.
- Minor fixes to drop.levels(), is.what().
- Implementation of unit tests for most functions.
CHANGES IN 2.3.1 (2006-10-29)
-----------------------------
- Arguments as well as their position of reorder.factor have been changed
to conform with reorder.factor method in stats package, due to collision
bug. Argument 'make.ordered' is now 'order' and old argument 'order' is
now 'new.order'! Therefore, you have to implicitly specify new.order i.e.
reorder(trt, new.order=c("PLACEBO", "300 MG", "600 MG", "1200 MG"))
- trim() gains ... argument.
- Added "unknown" methods for matrices.
- Added c() method for factors based on mapLevels() functions.
- Added write.fwf, which writes file in *F*ixed *W*idth *F*ormat.
CHANGES FROM 2.1.X to 2.3.0 (2006-09-19)
---------------------------------------
- Added mapLevels(), which produces a map with information on levels and/or
internal integer codes. Contributed by Gregor Gorjanc.
- Extended dropLevels() to work on the factors contained in a data
frame, as well as individual factors.
- Add unknown(), which changes given unknown value to NA and vice
versa. Contributed by Gregor Gorjanc.
- Extended trim() to handle a variety of data types data.frames,
lists, factors, etc. Code changes contributed by Gregor Gorjanc.
- Added resample() command that acts like sample() except that it
_always_ samples from the arguments provided, even if only a single
argument is present. This differs from sample() which behaves
differently in this case.
- Updated my email address.
CHANGES IN GDATA 2.1.2
-----------------------
- Fixed bug in interleave.R - option to covert 1-column matrices to
vector (based on Andrew Burgess's suggestion)
- Updated Greg and Jim's email adresses
- ll.R: Suppressed warning message in attach() call.
- frameApply.Rd, reorder.Rd: Remove explicit loading of
gtools in examples, so that failure to import functions from
gtools gets properly caught by running the examples.
- upperTriangle.R, man/upperTriangle.Rd: Add functions for
extracting and modifying the upper and lower trianglular components of
matrices.
- is.what.R: Replaced the "not.using" vector with a more robust
try(get(test)) to find out whether a particular is.* function
returns a logical of length one.
- DESCRIPTION: Added Suggests field
- Updated the example in frameApply
CHANGES IN GDATA 2.0.8
-----------------------
- Added DESCRIPTION and removed DESCRIPTION.in
- Updated ll.Rd documentation
- Fixed bug in Args.R, is.what.R, ll.R
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