2013-07-20 Sren Hjsgaard <sorenh@math.aau.dk>
	
	* splitBy and summaryBy have been reworked.

	* formulaFunBy and xyFunBy functions added.

	* Vignettes expanded.
	
	* summaryBy, splitBy now also accept a list / vector as "formula"
	specification. 
	
	* recodeVar works properly on formulas

	* Version 4.5-7 uploaded
	
2013-03-19 Sren Hjsgaard <sorenh@math.aau.dk>

	* parseGroupFormula function added. The function will take a
	"group formula" with a vertical bar apart into components.

	* createFunBy function added. The function can create groupwise
	functions.

	* documentation of lmBy improved

	* various utility functions related to lmBy added.

	* Version 4.5-6 uploaded

2012-11-16 Sren Hjsgaard <sorenh@math.aau.dk>

	* Rmarkup removed; the markdown package does a better job.

	* Version 4.5-5 uploaded

2012-05-28 Sren Hjsgaard <sorenh@math.aau.dk>
	
	* Updates of Rmarkup

	* Version 4.5-4 uploaded		

	
2012-05-19 Sren Hjsgaard <sorenh@math.aau.dk>

	* Updates of Rmarkup

	* Version 4.5-3 uploaded		

	
2012-02-17 Sren Hjsgaard <sorenh@math.aau.dk>

	* descStat function added. Thanks to Gregor Gorjanc.
	
	* popMeans extended so that the grid values appear in the output
	by default

	* Version 4.5.2 uploaded		

2012-01-29 Sren Hjsgaard <sorenh@math.aau.dk>

	* Minor enhancement to Rmarkup()

	* Version 4.5.1 uploaded		
	
2012-01-18 Sren Hjsgaard <sorenh@math.aau.dk>

	* popMeans method for lme objects added

	* lsmeans aliases for popMeans removed

	* Version 4.5.0 uploaded	


2012-01-18 Sren Hjsgaard <sorenh@math.aau.dk>

	* Small changes to package structure

	* Version 4.4.6 uploaded
	
2012-01-17 Sren Hjsgaard <sorenh@math.aau.dk>

	* URL updated

	* Rscript2HTML changed to Rmarkup
	
	* Version 4.4.5 uploaded
	
2011-12-30 Sren Hjsgaard <sorenh@math.aau.dk>

	* Change of email address
	
	* Version 4.4.4 uploaded.	

2011-11-01 Sren Hjsgaard <sorenh@agrsci.dk>

	* Function lmBy (and related methods) added

	* Version 4.4.3 uploaded.	

2011-11-01 Sren Hjsgaard <sorenh@agrsci.dk>

	* Dataset milkman added

	* Version 4.4.2 uploaded.	
	
2011-10-23 Sren Hjsgaard <sorenh@agrsci.dk>

	* funBy function added (documentation to be done)

	* scaleBy function added
	
	* Minor bug fixed in summaryBy

	* popMeans extended to mer objects

	* KRmodcomp, PBmodcomp and friends moved to the pbkrtest
	package

	* Version 4.4.1 uploaded.
	
2011-06-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* subSeq function speeded up by considerably

	* KRmodcomp: Kenward-Rogers method for calculating denominator degrees of
	freedom for F--tests in mixed models (as fitted with lmer)

	* PBmodcomp, BCmodcomp, PBrefdist: Functions for calculating
	p-values based on parametric bootstrap for tests in mixed
	models (as fitted with lmer)

	* Version 4.4.0 uploaded

2011-05-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* HTMLreport changed to Rscript2HTML

	* timeSinceEvent function enhanced

	* Version 4.3.1 uploaded.

2011-03-28 Sren Hjsgaard <sorenh@agrsci.dk>

	* popMeans (lsMeans) and linMeans functions added.

	* A vignette describing the use of popMeans added.

	* Functions popMatrix and linMatrix added

	* Version 4.3.0 uploaded

2011-02-02 Sren Hjsgaard <sorenh@agrsci.dk>

	* Bug fixed in timeSinceEvent

	* More work done on HTMLreport

	* Version 4.2.3 uploaded

2011-01-12 Sren Hjsgaard <sorenh@agrsci.dk>

	* HTMLreport function extended

	* Version 4.2.1 uploaded


2010-12-12 Sren Hjsgaard <sorenh@agrsci.dk>

	* HTMLreport function has been added.

	* Version 4.2.0 has been uploaded.

2010-11-24 Sren Hjsgaard <sorenh@agrsci.dk>

	* timeSinceEvent function has been added

	* summaryBy now takes the additional argument full.dimension which
	when TRUE causes the result to have the same number of rows as the
	input dataframe.

	* Version 4.1.2 has been uploaded.

2010-11-11 Sren Hjsgaard <sorenh@agrsci.dk>

	* recodevar deprecated.

	* recodeVar introduced with extended functionality.

	* subSeq function added.

	* renameCol function added.

	* Version 4.1.1 has been uploaded.

2010-11-09 Sren Hjsgaard <sorenh@agrsci.dk>

	* lsmeans function has been added.

	* Version 4.1.0 has been uploaded.

2010-05-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* The sugar beets dataset 'beets' has been added

	* doBy no longer depends on Hmisc

	* Version 4.0.6 has been uploaded

2009-10-21 Sren Hjsgaard <sorenh@agrsci.dk>

	* orderBy applied to a dataframe with one column only returned a
	vector. Has been fixed so that a dataframe is returned.

	* Version 4.0.5 uploaded

2009-10-17 Sren Hjsgaard <sorenh@agrsci.dk>

	* Bug in NAMESPACE file fixed

	* Version 4.0.4 uploaded

2009-10-17 Sren Hjsgaard <sorenh@agrsci.dk>

	* esticon method for 'mer' objects added. (Was previously for
	'lmer' objects).

	* Version 4.0.3 uploaded


2009-09-07 Sren Hjsgaard <sorenh@agrsci.dk>

	* Bug in summaryBy fixed: Strata did not match their values (as
	defined by the rh.variables). Thanks to Pascal Hirsch for pointing
	this out.

	* Version 4.0.2 uploaded

2009-08-17 Sren Hjsgaard <sorenh@agrsci.dk>

	* Bug in summaryBy fixed: id vars were included in the
	stratification of data which they should not be. Thanks to Joshua
	Rest for pointing this out.

	* Version 4.0.1 uploaded.

2009-07-28 Sren Hjsgaard <sorenh@agrsci.dk>

	* coxph method added for the esticon function. Thanks to
	Alessandro A Leidi.

	* splitBy changed so that names of the entries in the list match
	the levels of the factors (it used to be that the names matched
	the levels of the factors in reverse order).

	* The formula in splitBy can now also be a character vector.

	* which.maxn and which.minn functions added

	* Version 4.0.0 uploaded


2009-01-12 Sren Hjsgaard <sorenh@agrsci.dk>

	* splitBy had inconsistent output across cases. Fixed now

	* Version 3.8 uploaded

2008-12-21 Sren Hjsgaard <sorenh@agrsci.dk>

	* splitBy failed if by-variables were constant. Fixed now.

	* Version 3.7 uploaded.

2008-10-14 Sren Hjsgaard <sorenh@agrsci.dk>

	* splitBy now follows convention that first variable varies
	fastest.

	* Version 3.6 uploaded

2008-10-14 Sren Hjsgaard <sorenh@agrsci.dk>

	* Updated description of dietox data

	* Version 3.5 uploaded


2008-09-26 Sren Hjsgaard <sorenh@agrsci.dk>

	* Small bug in summaryBy fixed

	* Version 3.4 uploaded


2008-09-26 Sren Hjsgaard <sorenh@agrsci.dk>

	* Small bug in summaryBy fixed

	* Version 3.3 uploaded

2008-09-18 Sren Hjsgaard <sorenh@agrsci.dk>

	* Longer formulas now accepted (bug caused by a naive use of deparse())

	* Version 3.2 uploaded

2008-06-13 Sren Hjsgaard <sorenh@agrsci.dk>

	* Bugs in variable names in summaryBy fixed

	* Small update of documentation

	* Version 3.1 uploaded

2008-05-20 Sren Hjsgaard <sorenh@agrsci.dk>

	* summaryBy speeded up; postfix argument removed

	* Version 3.0 uploaded


2008-03-26 Sren Hjsgaard <sorenh@agrsci.dk>

	* Minor bugs removed.

	* Version 2.3 uploaded

2008-02-13 Sren Hjsgaard <sorenh@agrsci.dk>

	* firstobs and lastobs functions added

	* Version 2.2 uploaded



2007-12-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* splitBy: Results becomes a splitByData object. Two attributes
	are added: 1) grps, which is the grouping factors coded into a
	single variable. 2) idxvec, (a list) which holds the position of
	each row in the original data set.

	* lapplyBy: Following the changes above, the results of lapplyBy
	follows the ordering given by formula.

	* subsetBy: Now subset is a logical expression, not a character string

	* Version 2.1 uploaded


2007-09-30 Sren Hjsgaard <sorenh@agrsci.dk>

	* DESCRIPTION file change from Depends: Hmisc to Imports: Hmisc;

	* importFrom(Hmisc,mApply) added so that not all of Hmisc is
	loaded.



2007-05-01 Sren Hjsgaard <sorenh@agrsci.dk>

	* summaryBy: Behaviour with . on rhs of formula when data contains
	no factors has been corrected.

	* Version 1.9 uploaded


2007-05-01 Sren Hjsgaard <sorenh@agrsci.dk>

	* Miscellaneous corrections in the .Rd files

	* lapplyBy function has been added

	* Vignette has been updated

	* Version 1.8 uploaded

2007-04-21 Sren Hjsgaard <sorenh@agrsci.dk>

	* orderBy changed so that signs in formula determines whether to
	sort ascendingly or decreasingly

2007-03-21 Sren Hjsgaard <sorenh@agrsci.dk>

	* esticon extended to handle gls objects.

2006-12-14 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.6 uploaded

	* .asNumericMatrix2 etc now work correctly with date formats



2006-11-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.5 uploaded

	* Typo in package title corrected


2006-11-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.4 built and uploaded

	* A warning from Kurt H (regarding gsub...) has been fixed

	* Internal functions have been 'dotted'

	* A NAMESPACE file has been added

	* A file describing how to generate the NAMESPACE file
	automatically has been added.

2006-10-23 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.3 built and uploaded

	* Bug in splitBy corrected so that it works when rhs includes a
	character variable.



2006-10-23 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.2 built and uploaded

	* Description of codstom data updated.

	* matrix2dataFrame2 and subsAttr2 added

	* postfix argument in summaryBy can be a list


2006-10-17 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.1 built and uploaded

	* codstom.Rd updated

	* asNumericMatrix2 added because asNumericMatrix in Hmisc does not
	work if a variable is of type 'character'


2006-10-16 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 1.0 built and uploaded

	* summaryBy: More issues about naming of variables have been
	sorted out

	* summaryBy: Argument order=TRUE has been added

	* summaryBy: prefix=NULL changed to postfix=NULL, argument p2d has
	been added

2006-10-10 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 0.9 built and uploaded

	* summaryBy assigns better names to generated variables

	* A vignette has been created



2006-10-03 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 0.8 built and uploaded

	* Handles now ordered factors

	* Fixed bug so that summaryBy now works with do.call

2006-10-01 Sren Hjsgaard <sorenh@agrsci.dk>

	* Version 0.7 built and uploaded

	* splitBy is now based on functions in the Hmisc package for
	representing dataframes as matrices, which makes the function work
	also for 'large' (10000 rows) datasets.

	* summaryBy can now take . on both lhs and rhs of "~"


2006-09-27 Sren Hjsgaard <sorenh@agrsci.dk>

	* Various bugs have been fixed

2006-09-18 Sren Hjsgaard <sorenh@agrsci.dk>

	* summaryBy has been reimplemented.

	* summaryBy takes . as argument on both lhs and rhs in formula

	* summaryBy, splitBy takes drop=FALSE argument (just like split
	does)

	* transformBy function has been added

2006-02-05 Sren Hjsgaard <sorenh@agrsci.dk>

	* sampleBy modified allow for also 'systematic samples',
	e.g. every 5th row.

	* summaryBy takes ... arguments to FUN. No default NA action is
	taken.

2006-02-02 Sren Hjsgaard <sorenh@agrsci.dk>

	* A sampleBy function has been added.

	* A subsetBy function has been added.

2006-01-26 Sren Hjsgaard <sorenh@agrsci.dk>

	* Function summaryBy modified so one can write log(x) on the left
	hand side of '~'

	* Function summaryBy modified such that NAs are removed. What to
	do about Inf??

2006-01-17 Sren Hjsgaard <sorenh@agrsci.dk>

	* Function summaryBy modified to take . as lhs in formula and to
	take idvar = ~formula

	* Functions powerBy, histBy, qqnormBy have been removed (figure
	out how to do histBy and qqnormBy using xyplot() in lattice).

