What's New: Zelig Release Notes
Releases listed as ``stable releases'' have been tested against prior
versions of Zelig for consistency and accuracy. Testing distributions
may contain bugs, but are usually replaced by stable releases within a
few days.
- 3.4-8 (Jan 1, 2010): Stable release for R 2.10
Fixed problem with survival regressions and robust standard erros (assuming survival >= 2.35-8)
Fixed vignette documentation
- 3.4-7 (Oct 23, 2009): Stable release for R 2.9.2
Fixed .net models
- 3.4-6 (May 22, 2009): Stable release for R 2.9
Added quantile regression model (quantile)
Changed the digits option (thanks to Matthias Studer)
Removed the old mloglm model (Multinomial Log-Linear Regression)
- 3.4-5 (Mar 13, 2009): A bug fixed in plot.ci() (thanks to Ken Benoit)
- 3.4-4 (Mar 4, 2009): weights are incorporated into ologit, oprobit, and negbin models (thanks to Casey Klofstad)
- 3.4-2 (Feb 10, 2009): Small fixes in the Rd files as required
by new check in CRAN
- 3.4-0 (Jan 2, 2009): Bug-fix release for R 2.8.0
Changed the Zelig citation
Fixed zelig() signature to ensure that the formals() work properly
and all arguments remain documented. "save.data" and "cite" were not
documented (thanks to Micah Altman)
Fixed some typos in model family names (thanks to Kevin Condon)
Fixed the predicted values in gam.* models
Fixed the plot functions in gam.* models
- 3.4-0 (Oct 27, 2008): Stable release for R 2.8.0.
zelig() now takes a "citation" argument. If "citation" is "true" (default)
the model citation is printed in each zelig run
Introduced two new elemetns on the describe.mymodel function: authors and year
Fixed the problems with lme4 package. Note that there is still a problem with
simulation step of "gamma.mixed" model. We are still working on that.
Fixed the bug with "gam" models (wrong predicted values)
Fixed the bug with when zelig model name was provided from a variable (reported from
Jeroen)
- 3.3-1 (June 12, 2008): Bug-fix release for R.2.7.0. A bug
fix for plot.ci() so that it works with mixed effects models
(thanks to Keith Schnakenberg).
- 3.3-0 (June 03, 2008): Stable release for R.2.7.0. Updated
coxph so that it handles time-varying covariates (contributed
by Patrick Lam). A new plot function for survival models
(contributed by John Graves). First version dependencies are as
follows:
| "MASS" |
"7.2-41" |
| "nlme" |
"3.1-87" |
| "survival" |
"2.34" |
| "coda" |
"0.13-1" |
| "sna" |
"1.5" |
| "boot" |
"1.2-31" |
| "nnet" |
"7.2-41" |
| "zoo" |
"1.5-0" |
| "sandwich" |
"2.1-0" |
| "lme4" |
"0.99875-9" |
| "systemfit" |
"1.0-2" |
| "VGAM" |
"0.7-5" |
| "MCMCpack" |
"0.8-2" |
| "mvtnorm" |
"0.8-3" |
| "gee" |
"4.13-13" |
| "mgcv" |
"1.3-29" |
| "anchors" |
"1.9-2" |
| "survey" |
"3.6-13" |
- 3.2-1 (April 10, 2008): Bug-fix release for R.2.6.0-2.6.2.
Fixed the setx() bug for multiply imputed data sets. (Thanks
to Steve Shewfelt and Keith Schnakenberg.)
- 3.2 (April 3, 2008): Stable release for R 2.6.0-2.6.2.
Adding models for survey data - normal.survey, logit.survey, probit.survey, poisson.survey, gamma.survey. First version dependencies are as
follows:
| survey |
3.6-13 |
| MASS |
7.2-34 |
| nlme |
3.1-86 |
| survival |
2.34 |
| boot |
1.2-30 |
| nnet |
7.2-34 |
| zoo |
1.4-0 |
| sandwich |
2.0-2 |
| sna |
1.4 |
| lme4 |
0.99875-9 |
| coda |
0.12-1 |
| systemfit |
0.8-5 |
| VGAM |
0.7-4 |
| MCMCpack |
0.8-2 |
| mvtnorm |
0.8-1 |
| gee |
4.13-13 |
| mgcv |
1.3-29 |
| anchors |
2.0 |
- 3.1-1 (January 10, 2008): Bug-fix release for R
2.6.0-2.6.1. Fixed bugs, improved the code and the documentation for
mixed effects models. Thanks to Gregor Gorjanc. Fixed systemfit models
due to some API changes in systemfit package. Added some other models (including *.mixed models) in plot.ci
- 3.1 (November 30, 2007): Stable release for R 2.6.0-2.6.1.
Adding many new models such as aov, chopit, coxph,
generalized linear mixed-effects models, and gee models. Also,
several bugs are fixed. First version dependencies are as
follows:
| MASS |
7.2-34 |
| nlme |
3.1-86 |
| survival |
2.34 |
| boot |
1.2-30 |
| nnet |
7.2-34 |
| zoo |
1.4-0 |
| sandwich |
2.0-2 |
| sna |
1.4 |
| lme4 |
0.99875-9 |
| coda |
0.12-1 |
| systemfit |
0.8-5 |
| VGAM |
0.7-4 |
| MCMCpack |
0.8-2 |
| mvtnorm |
0.8-1 |
| gee |
4.13-13 |
| mgcv |
1.3-29 |
| anchors |
2.0 |
- 3.0-1 - 3.0-6: Minor bug fixes. Stable release for
R 2.5.0-2.5.1.
- 3.0 (July 20, 2007): Stable release for R 2.5.0-2.5.1.
Introducing vignettes for each model. Improving documentation in the
Zelig web site, improving citation style, improving help.zelig() function, adding gam models, social network methods,
logit gee model, adding support for cross-validation procedures and
diagnostics tools, etc.
- 2.8-3 (May 29, 2007): Stable release for R 2.4.0-2.5.0.
Fixed bugs in help.zelig(), and summary for multinomial logit,
bivariate probit, and bivariate logit with multiple imputation. (Thanks
to Brant Inman and Javier Marquez.) First version dependencies are as
follows:
| MASS |
7.2-34 |
| boot |
1.2-27 |
| VGAM |
0.7-1 |
| MCMCpack |
0.8-2 |
| mvtnorm |
0.7-5 |
| survival |
2.31 |
| sandwich |
2.0-0 |
| zoo |
1.2-1 |
| coda |
0.10-7 |
| nnet |
7.2-34 |
| sna |
1.4 |
- 2.8-2 (March 3, 2007): Stable release for R 2.4.0-2.4.1.
Fixed bug in ARIMA simulation process.
- 2.8-1 (February 21, 2007): Stable release for R
2.4.0-2.4.1. Made setx() compatible with ordred factor variables
(thanks to Mike Ward and Kirill Kalinin). First order dependencies as
in version 2.8-1.
- 2.8-0 (February 12, 2007): Stable release for R
2.4.0-2.4.1. Released ARIMA models and network analysis models (least
squares and logit) for sociomatrices. First level dependencies are as
follows:
| MASS |
7.2-31 |
| boot |
1.2-27 |
| VGAM |
0.7-1 |
| MCMCpack |
0.7-4 |
| mvtnorm |
0.7-5 |
| survival |
2.31 |
| sandwich |
2.0-0 |
| zoo |
1.2-1 |
| coda |
0.10-7 |
| nnet |
7.2-31 |
| sna |
1.4 |
- 2.7-5 (December 25, 2006): Stable release for R 2.4.0-2.4.1.
Fixed bug related to names.default(), summary for multiple
imputation methods, and prediction for ordinal response models (thanks to
Brian Ripley, Chris Lawrence, and Ian Yohai).
- 2.7-4 (November 10, 2006): Stable release for R 2.4.0. Fixed
bugs related to R check.
- 2.7-3 (November 9, 2006): Stable release for R 2.4.0. Fixed
bugs related to R check.
- 2.7-2 (November 5, 2006): Stable release for R 2.4.0.
Temporarily removed ARIMA models.
- 2.7-1 (November 3, 2006): Stable release for R 2.4.0. Made
changes regarding the S4 classes in VGAM. The ARIMA (arima)
model for time series data added by Justin Grimmer. First level
dependencies are as follows:
| MASS |
7.2-29 |
| boot |
1.2-26 |
| VGAM |
0.7-1 |
| MCMCpack |
0.7-4 |
| mvtnorm |
0.7-5 |
| survival |
2.29 |
| sandwich |
2.0-0 |
| zoo |
1.2-1 |
| coda |
0.10-7 |
- 2.6-5 (September 14, 2006): Stable release for R 2.3.0-2.3.1. Fixed bugs
in bivariate logit, bivariate probit, multinomial logit, and
model.matrix.multiple (related to changes in version 2.6-4, but not
previous versions, thanks to Chris Lawrence). First level
dependencies are as follows:
| MASS |
7.2-27.1 |
| boot |
1.2-26 |
| VGAM |
0.6-9 |
| MCMCpack |
0.7-1 |
| mvtnorm |
0.7-2 |
| survival |
2.28 |
| sandwich |
1.1-1 |
| zoo |
1.0-6 |
| coda |
0.10-5 |
- 2.6-4 (September 8, 2006): Stable release for R
2.3.0-2.3.1. Fixed bugs in setx(), and bugs related to multiple and the multinomial logit model. Added instructions for
installing Fortran tools for Intel macs. Added the R238#238
C
ecological inference model. (thanks to Kurt Hornik, Luke Keele, Joerg
Mueller-Scheessel, and B. Dan Wood)
- 2.6-3 (June 19, 2006): Stable release for R 2.0.0-2.3.1.
Fixed bug in VDC interface functions, and parse.formula().
(thanks to Micah Altman, Christopher N. Lawrence, and Eric Kostello)
- 2.6-2 (June 7, 2006): Stable release for R 2.0.0-2.3.1.
Removed R 238#238
C EI. Changed data = list() to data = mi() for multiply-imputed data frames. First level version
compatibilities are as for version 2.6-1.
- 2.6-1 (April 29, 2006): Stable release for R 2.0.0-2.2.1.
Fixed major bug in ordinal logit and ordinal probit expected value
simulation procedure (does not affect Bayesian ordinal probit).
(reported by Ian Yohai) Added the following ecological inference EI models: Bayesian hierarchical EI, Bayesian dynamic EI,
and R 238#238
C EI. First level version compatibilities (at
time of release) are as follows:
| MASS |
7.2-24 |
| boot |
1.2-24 |
| VGAM |
0.6-8 |
| MCMCpack |
0.7-1 |
| mvtnorm |
0.7-2 |
| survival |
2.24 |
| sandwich |
1.1-1 |
| zoo |
1.0-6 |
| coda |
0.10-5 |
- 2.5-4 (March 16, 2006): Stable release for R 2.0.0-2.2.1. Fixed bug
related to windows build. First-level dependencies are the same as in version
2.5-1.
- 2.5-3 (March 9, 2006): Stable release for R 2.0.0-2.2.1. Fixed bugs
related to VDC GUI. First level dependencies are the same as in version 2.5-1.
- 2.5-2 (February 3, 2006): Stable release for R 2.0.0-2.2.1. Fixed bugs
related to VDC GUI. First level dependencies are the same as in version 2.5-1.
- 2.5-1 (January 31, 2006): Stable release
for R 2.0.0-2.2.1. Added methods for multiple equation models. Added
tobit regression. Fixed bugs related to robust estimation and upgrade of sandwich and
zoo packages. Revised setx() to use environments. Added
current.packages() to retrieve version of packages upon which Zelig
depends. First level version compatibilities (at time of release)
are as follows:
| MASS |
7.2-24 |
| boot |
1.2-24 |
| VGAM |
0.6-7 |
| mvtnorm |
0.7-2 |
| survival |
2.20 |
| sandwich |
1.1-0 |
| zoo |
1.0-4 |
| MCMCpack |
0.6-6 |
| coda |
0.10-3 |
- 2.4-7 (December 10, 2005): Stable release for R
2.0.0-2.2.2. Fixed the environment of eval() called within setx.default() (thanks to Micah Altman).
- 2.4-6 (October 27, 2005): Stable release for R
2.0.0-2.2.2. Fixed bug related to simulation for Bayesian Normal regression.
- 2.4-5 (October 18, 2005): Stable release for R 2.0.0-2.2.0.
Fixed installation instructions.
- 2.4-4 (September 29, 2005): Stable release for R
2.0.0-2.2.0. Fixed help.zelig() links.
- 2.4-3 (September 29, 2005): Stable release for R
2.0.0-2.2.0. Revised matchit() documentation.
- 2.4-2 (August 30, 2005): Stable release for R 2.0.0-2.1.1.
Fixed bug in setx() related to as.factor() and I().
Streamlined qi.survreg().
- 2.4-1 (August 15, 2005): Stable release for R 2.0.0-2.1.1. Added the
following Bayesian models: factor analysis, mixed factor analysis,
ordinal factor analysis, unidimensional item response theory,
k-dimensional item response theory, logit, multinomial logit,
normal, ordinal probit, Poisson, and tobit. Also fixed minor bug in
formula (long variable names coerced to list).
- 2.3-2 (August 5, 2005): Stable release for R 2.0.0-2.1.1.
Fixed bug in simulation procedure for lognormal model.
- 2.3-1 (August 4, 2005): Stable release for R 2.0.0-2.1.1.
Fixed documentation errors related to model parameterization and code bugs
related to first differences and conditional prediction for exponential,
lognormal, and Weibull models. (reported by Alison Post)
- 2.2-4 (July 30, 2005): Stable release for R
2.0.0-2.1.1. Revised relogit, adding option for weighting in addition
to prior correction. (reported by Martin Plöderl)
- 2.2-3 (July 24, 2005): Stable release for R 2.0.0-2.1.1.
Fixed bug associated with robust standard errors for negative binomial.
- 2.2-2 (July 13, 2005): Stable release for R 2.0.0-2.1.1.
Fixed bug in setx(). (reported by Ying Lu)
- 2.2-1 (July 11, 2005): Stable release for R 2.0.0-2.1.0.
Revised ordinal probit to use MASS library. Added robust standard errors
for the following regression models: exponential, gamma, logit, lognormal,
least squares, negative binomial, normal (Gaussian), poisson, probit, and
weibull.
- 2.1-4 (May 22, 2005): Stable release for R 1.9.1-2.1.0. Revised help.zelig()
to deal with CRAN build of Windows version. Added recode of slots to lists
in NAMESPACE. Revised install.R script to deal with changes to install.packages(). (reported by Dan Powers and
Ying Lu)
- 2.1-3 (May 9, 2005): Stable release for R 1.9.1-2.1.0.
Revised param.lm() function to work with bootstrap simulation. (reported
by Jens Hainmueller)
- 2.1-2 (April 14, 2005): Stable release for R 1.9.1-2.1.0.
Revised summary.zelig().
- 2.1-1 (April 7, 2005): Stable release for R 1.9.1-2.1.0.
Fixed bugs in
NAMESPACE and summary.vglm().
- 2.0-14 (April 5, 2005): Stable release for R
1.9.1-2.0.1. Added summary.vglm() to ensure the compatibility with VGAM 0.6-2.
- 2.0-13 (March 11, 2005): Stable release for R 1.9.1-2.0.1.
Fixed bugs in NAMESPACE and R-help file for rocplot().
- 2.0-12 (February 20, 2005): Stable release for R
1.9.1-2.0.1. Added plot = TRUE option to rocplot().
- 2.0-11 (January 14, 2005): Stable release for R 1.9.1-2.0.1.
Changed class name for subsettted models from "multiple" to "strata", and modified affected functions.
- 2.0-10 (January 5, 2005): Stable release for R 1.9.1 and R
2.0.0. Fixed bug in ordinal logit simulation procedure. (reported by Ian
Yohai)
- 2.0-9 (October 21, 2004): Stable release for R 1.9.1
and R 2.0.0 (Linux and Windows). Fixed bug in NAMESPACE file.
- 2.0-8 (October 18, 2004): Stable release for R 1.9.1
and R 2.0.0 (Linux only). Revised for submission to CRAN.
- 2.0-7 (October 14, 2004): Stable release for R 1.9.1 and R 2.0.0 (Linux
only). Fixed bugs in summary.zelig(), NAMESPACE, and assorted bugs related to new R
release. Revised syntax for multiple equation models.
- 2.0-6 (October 4, 2004): Stable release for R 1.9.1.
Fixed problem with NAMESPACE.
- 2.0-5 (September 25, 2004): Stable release for R 1.9.1.
Changed installation procedure to source install.R from Zelig
website.
- 2.0-4 (September 22, 2004): Stable release for R 1.9.1. Fixed
typo in installation directions, implemented NAMESPACE, rationalized summary.zelig(), and tweaked documentation for least squares.
- 2.0-3 (September 1, 2004): Stable release for
R 1.9.1. Fixed bug in conditional prediction for survival models.
- 2.0-2 (August 25, 2004): Stable release for R 1.9.1.
Removed predicted values from ls.
- 2.0-1b (July 16, 2004): Stable release for R 1.9.1. MD5
checksum problem fixed. Revised plot.zelig() command to be a
generic function with methods assigned by the model. Revised entire
architecture to accept multiply imputed data sets with strata.
Added functions to simplify adding models. Completely restructured
reference manual. Fixed bugs related to conditional prediction in
setx and summarizing strata in summary.zelig.
- 1.1-2 (June 24, 2004): Stable release for R 1.9.1 (MD5
checksum problem not fixed, but does not seem to cause problems).
Fixed bug in help.zelig(). (reported by Michael L. Levitan)
- 1.1-1 (June 14, 2004): Stable release for R 1.9.0.
Revised zelig() procedure to use zelig2model() wrappers,
revised help.zelig() to use a data file with extension .url.tab, and revised setx() procedure to take a list of
fn to apply to variables, and such that fn = NULL
returns the entire model.matrix().
- 1.0-8 (May 27, 2004): Stable release for R 1.9.0.
Fixed bug in simulation procedure for survival models. (reported
by Elizabeth Stuart)
- 1.0-7 (May 26, 2004): Stable release for R 1.9.0. Fixed
bug in relogit simulation procedure. (reported by Tom Vanwellingham)
- 1.0-6 (May 11, 2004): Stable release for R 1.9.0.
Fixed bug in setx.default, which had previously failed to ignore
extraneous variables in data frame. (reported by Steve Purpura)
- 1.0-5 (May 7, 2004): Replaced relogit procedure with
memory-efficient version. (reported by Tom Vanwellingham)
- 1.0-4 (April 19, 2004): Stable release for R 1.9.0.
Added vcov.lm method; changed print for summary.relogit.
- 1.0-2 (April 16, 2004): Testing distribution for R 1.9.0.
- 1.0-1 (March, 23, 2004): Stable release for R 1.8.1.
Gary King
2011-11-29