inst/News.md

In pscl: Political Science Computational Laboratory

1.5.8

• cleaned out last uses of \itemise in Rd
• switched to News.md

1.5.7

• Add drop = FALSE to some matrices in zeroinfl and hurdle functions.
• Specify that the optim return must equal 0 (normal convergence) in the zeroinfl function.

1.5.5

• changed class(obj) == X to inherits(obj, X)" or is.data.frame for compatibility with R 4.0

1.5.4

• added lm.wfit to NAMESPACE
• updated class testing in predprob.ideal and checkVotes for compatibility with R 4.0
• spelling fixes in help pages
• updated URL for dtl files in readKH

1.5.3

• fixed bug in pR2 when missing data is present
• added error handling when inverting Hessians in hurdle models and zero-inflated count models
• improved starting values in zero-inflated count models

1.5.2

• fixed bugs in calls to C routines in ideal.R

1.5.1

• AustralianElections includes 2010, 2013, 2016
• presidentialElections includes 2016 and 2012 Alabama result
• documentation updated to reflect changes

1.5.0

• improved truncated normal sampling (15-20% faster)
• added use.voter option to ideal, implementing approach from Stephen Jessee's 2016 AJPS article. See ?ideal for details.
• updated author contact information
• fixed voteview URLs to reflect new site structure
• fixed other broken URLs
• CRAN compliance

1.4.9

• fixed bug in AIC correct in Vuong test

1.4.8

• package dependencies handled better
• slight tweeks to ?ideal
• CRAN compliance
• addressing memory leak issues revealed by valgrind in ideal's mallocs

1.4.7

• AI` and BIC in Vuong, better description and printing

1.4.6

• compliance with CRAN reccs/reqs, vignettes sub-dir
• better Imports/Depends/Suggests etc
• dropped redundant "require" in examples etc
• fixed long-standing buglet in Vuong test, AIC type df adjustment to test statistic
• use format.pval for pvalues printing in Vuong output to screen

1.4.5

• better compliance with CRAN reccs/reqs, R 3.0.0 etc
• drop leading zero in version number
• compress PDFs from vignettes
• lazy-loading, so um, lazy-load in readKH.r

1.04.4

• presidentialElections includes 2012

1.04.3

• fixed bug in postProcess, not evaluating args in call of ideal object

1.04.2

• minor typo in dropRollCall.Rd

1.04.1

• fixed bug in non-English locales for hurdle and zeroinfl formula processing if second part of formula contained a period.

1.04

• fixed quite serious bug with storing item parameters
• COPYING file deprecated (?), deleted from repos with r174

1.03.12

• minor bug in tracex with d>1
• deprecate showAll plotting option in tracex, change to multi (default=FALSE)

1.03.11

• small change to documentation for ca2006 (thanks Arthur Aguirre)

1.03.10

• pythag deprecated in Rmath.h, use system hypot instead (3/13/2011)
• warnings from ideal about memory etc only come on with verbose=TRUE (req by Stephen Jessee)

1.03.9

ideal

• small change in partyLoyalty (thanks to Chris Hanretty)
• reformat output of to be 3-d arrays

• change default prior precision for item parameters to .04 (used to be .01)

• added UKHouseOfCommons data; Example 6.9 in BASS

1.03.8

• added an optional "at" argument to predprob() methods for count data so that the counts at which the probabilities are evaluated can be specified

1.03.7

• small bug in constrain.item (reported by Paul Johnson)

• change normalization option in ideal to generate posterior means with mean 0, sd 1

• do normalization over all dimensions

• typos in documentation for pseudo-R2 (thanks to Henrik P)

1.03.6

• made gam dependency explicit

• change linear.hypothesis to linearHypothesis

1.03.5

• added AustralianElectionPolling
• tidy up Rd files for data sets (itemize -> describe)
• use dQuote in Rd files (or not)
• update AustralianElections with 2007 results

1.03.4

• added iraqVote
• updated presidentialElections with 2008 results
• added nj07
• added vote92

1.03.3

hurdle and zeroinfl

• offsets in zero model are now allowed and can be different from count model
• included error message for negative binomial zero hurdle model with only an intercept as such models are not identified
• fixed bug in predict() method for hurdle object when a Poisson zero hurdle model is employed
• fixed bug whereby formulas of type y ~ . | . - x1 - x2 were not processed correctly
• for weighted hurdle/zeroinfl models the number of observations is now the effective number, i.e., with weights > 0

1.03.2

• fixing .Last.lib problems

• turned off MDA option in ideal by default, seems broken, needs work

1.03a

• make startvalues in ideal accept names other than xstart (anything unique that starts with x will do)

1.03

• bug in ideal start value argument processing; thanks Bjorn Hoyland

1.02

• added politicalInformation data
• added MDA option to ideal

1.01

• added EfronMorris data
• added RockTheVote data

1.00

• updated CITATION and docs to version 1.00 accompanying JSS paper

0.97

• minor changes to print and summary methods for rollcall and ideal objects
• bugs in ideal (discovered via odd combination of store.item and file)
• dropRollCallObject makes prettier output, works a little more sanely
• s109 is now updated to its final status, example points to voteview.com
• s110 in examples for readKH
• adding component named dropInfo to rollcall objects produced by dropRollCall per request of Keith Poole (this stores information about which legislators/votes are retained by dropRollCall)
• added presidentialElections data from Jackman book manuscript
• bugs in igammaHDR fixed, some typos too

0.96

• Final changes for JSS paper (before release 1.0 accompanying JSS paper).
• Changed the default formula specification for zero-inflated models. y ~ x now means y ~ x | x and not y ~ x | 1 anymore. Thus, the same default formula processing is applied to zero-inflated and hurdle models.
• Error in normalizeIdeal found by Jeff Lewis

0.95

• fixed fitted() and predict() methods for hurdle and zeroinfl for the case when an offset is specified

0.94

hurdle and zero-inflated count models

• added analytical gradients (speed-up of factor 5-10)
• new package sandwich (2.1-0) provides estfun() and bread() methods, thus sandwich() and vcovOPG() covariances are available
• extended/improved countreg vignette
• fixed Pearson residuals to use correct zero-augmented variance
• extended predict() methods
• added extractAIC() methods

0.93

• improving matching legislator and vote names in constrain functions, in response to sub-optimal behavior reported by Keith Poole

0.92

• minor errors in various functions spotted with stricter code checking in R-devel 2.6
• minor typo in documentation for s109
• need negative 1 for negative intercept in another part of predict.ideal (for the case where the researcher did not supply burn-in; 05/15/2007).

0.91

• added Monte Carlo simulation of pi (simpi)

0.90

• version bump as requested by Achim
• adding pseudo r-squared stuff
• adding admit data for ordered probit example
• adding logLik.polr
• adding hitmiss method

0.76

• offset and weights arguments have been added to zeroinfl() and hurdle()
• hurdletest() is a new wrapper for linear.hypothesis() from the car package to test for the presence of hurdles.
• A vignette about count data regression in R has been added (which in particular explains the ideas behind zeroinfl() and hurdle()).
• correcting/improving documentation of ideal re identification and the normalize option
• added absentee ballot data from Orley Ashenfelter, used in BASS
• John Fox noted an error in odTest (wrong p-value); fixed.

0.75

• version bump, requested by CRAN maintainers
• minor typo in help for predict.ideal
• fixed bugs with interactive() in ideal.r
• trouble-shooting predict.ideal as per request of Boris Shor
• bug (?) in predict.ideal; after version 0.73 change to negative intercept, need change in predict.ideal.r to match
• in zeroinfl(): binomial(link = link) is deprecated, use binomial(link = linkstr) instead

0.74

• deprecating meanzero option in ideal, replace with normalize
• new options for specifying start values in ideal (eigen, random, or user-supplied list); this fixes a bug reported by Boris Shor [e-mail] when working with large rollcall objects
• removed bad escape "\," in readKH reported by Kurt Hornick [e-mail]
• dummy entry to force svn commit/update (testing new svn server)

0.73

• added seatsVote class and ca2006 data
• cleaned up startvalues processing in ideal
• improved priors in ideal
• added verbose option to ideal
• less console output from ideal.c
• some changes to documentation, e.g., postProcess gets extra references
• sort output by posterior means of ideal points in summary.ideal
• improved tracex
• fixed bug in dropRollCall (was dropping legis.data attributes)
• fixed bug in partyLoyalty, called by summary.rollcall(...,verbose=TRUE)
• changed ideal model to have a negative intercept; required changes to updatex.c, updatey.c and xreg.c

0.72

• fixed error in bioChemists data found by Bettina Guen [e-mail], variable kids5 was off by 1 unit, now runs from min of zero (no kids).

0.71

• fixed bug in betaHPD discovered by John Bullock

0.70

completely rewritten version of hurdle() and zeroinfl()

• new formula interface of type y ~ x | z where y ~ x specifies the count model and z the inflation/hurdle regressors.

• re-structured returned value, is now more similar to "glm" objects

• extended/enhanced extractor functions

0.62

• plot.ideal.1d: better left plot margin, based on max length of legis.name

• plot.ideal.2d: inconsistent testing of presence of beta in ideal object when overlaying cutting planes

• plot.ideal.Rd: more examples (but in \dontrun)

• tracex: bug for 2d ideal objects

• tracex: 2d, make legend lines heavier for showAll

• tracex: for R >= 2.4, change par() to par(no.readonly=TRUE)

• fixed typo in plot.ideal.Rd

0.61

• fixed bug in summary.ideal found by Keith Poole (8/8/06)
• documentation of ideal section on Identification changed to reflect presence of postProcess function
• added summary.rollcall into NAMESPACE per request of Jeff Lewis
• no nsl function on Windows, changed readKH to simply call readLines with a try-error wrapper per suggestion of XP-user Jeff Lewis
• processing of dropList improved, per suggestion of Jeff Lewis
• cosmetic changes to print.summary.rollcall
• fixed errors caused by removing sysdata.rda; now utility data sets such as stateinfo and partyinfo have to loaded via data() in functions inside readKH subfunctions; thanks Jeff Lewis.

0.60

• added postProcess
• added jitter to plot.predict.ideal
• changed start to burnin in many function that handle ideal objects
• changed checkStart to checkBurnIn in idealHelper.r, returns keep (logical vector)
• improved documentation for plot1d
• dropped plot1d and plot2d from export in NAMESPACE
• consolidated some help files, making fewer entries in package index etc
• checked package with codetools(), cleaned up some redundancies, overwriting of function args inside of functions etc
• minor stylistic changes to titles and descriptions in help files

0.59

• fixed compiler warning in dtnorm regarding return value
• fixed compiler warning in IDEAL regarding double printed as int
• minor documentation fix
• removed unneeded directories

0.58

• documentaton fixes and cleanups, prompted by Kurt Hornik's check of 0.57 at CRAN
• fixed errors in rollcall documentation

0.57

• added dtl file support to readKH
• extensive reliance on match.call(), rather than carrying around copies of objects, many changes to numerous functions
• dropList introduced, many functions changed; see ?dropRollCall and ?dropUnanimous (rollcall objects)
• added extractRollCallObject for ideal objects
• added computeMargins for rollcall objects
• added convertCodes operates on codes component of rollcall object
• tracex handles 2d traces gracefully
• added plot.predict.ideal
• prior precisions in constrain.legis and constrain.item are .01 for unconstrained parameters
• added s109, dropped s102 as demonstration data, ships with package
• added vectorRepresentation (rollcall object)

0.56

• changed rollcall class to have legis.data and vote.data data frames
• amended plotting functions appropriately
• rollcall objects have party loyalty scores
• rollcall objects have lopsided data
• ideal saves some barebones summary statistics (posterior means)
• summary.ideal computes standard deviations
• summary.ideal and print.summary.ideal displays information on bills that fail to discriminate
• plot1d (plot method for 1d ideal objects) has option for all legislator names
• plot2d (plot method for 2d ideal objects) has option to overlay estimated cutting lines
• added readKH function and supporting data objects in R/sysdata.rda (state.info and party)
• readKH has extensive checks and debugging of reads from web (thanks to Kurt Kornik [e-mail])
• minor bug fixes in documentation and examples
• made ideal examples shorter
• add coda to list of required packages
• fixed error in negative binomial hurdle model, added theta to coefficients dimnames
• added TODO file to top-level directory of package
• fixed bug in print.zeroinfl (thanks to Bettina Gruen [e-mail])
• fixed bugs in zeroinfl (Bettina Gruen [e-mail])
• corrected spelling of Ginsburg in sc9497 (Supreme Court sample data)

0.55

• added ideal point estimation (Alex Tahk)
• added gamma functions for Jackman BASS book

0.54

• fixed errors in documentation for summary.zeroinfl

0.53

• edited documentation for odTest

0.52

• changed print.matrix references to print, since print.matrix deprecated in R > 2.1
• added ntable from Jim Fearon
• added betaHPD

0.51

• fixed error in print.summary.zeroinfl (thanks to Dave Atkins; [e-mail])

0.5

• initial relase to CRAN

pscl documentation built on May 29, 2024, 9:09 a.m.