CHANGES in `mboost' VERSION 1.1-4 (2009-11-??) o fixed bug in prediction with varying coefficients for binary effect modifiers CHANGES in `mboost' VERSION 1.1-3 (2009-09-21) o better x-axes in plot.cvrisk and possibility to change xlab o parallel cvrisk on unix systems only (`multicore' isn't safe on windows) o included new penalty for ordinal predictors (in bols()) o corrected bug in bspatial (centering was not used for Xna) o removed output of dfbase (which is seldom used) in gamboost o changed manual for coef.gamboost o make sure NAs are handled correctly when center = TRUE in glmboost CHANGES in `mboost' VERSION 1.1-2 (2009-07-21) o better weights and boundary knots handling in bspatial o cvrisk runs in parallel if package `multicore' is available o errors removed and minor improvements in the manuals o center = TRUE in glmboost did only apply to numeric (not integer) predictors o for safety reasons: na.action = na.omit again (causes slight changes in wpbc3 example) CHANGES in `mboost' VERSION 1.1-1 (2009-04-21) o new quantile regression facilities. o fix problem with bbs baselearner and cvrisk CHANGES in `mboost' VERSION 1.1-0 (2009-03-27) o bbs instead of bss is the default baselearner in gamboost o make sure bbs with weights and expanded observations returns numerically the very same results o btree can now deal with multiple variables o new gMDL criterion (contributed by Zhu Wang ) o make survival package happy again CHANGES in `mboost' VERSION 1.0-6 (2009-01-09) o bols allows to specify non-default contrasts. CHANGES in `mboost' VERSION 1.0-5 (2008-12-02) o remove experimental memory optimization steps CHANGES in `mboost' VERSION 1.0-4 (2008-11-12) o negative gradient of GaussClass() was wrong, spotted by Kao Lin CHANGES in `mboost' VERSION 1.0-3 (2008-11-07) o Date was malformed in DESCRIPTION CHANGES in `mboost' VERSION 1.0-2 (2008-11-05) o improved memory footprint in gamboost() and cvrisk() o option to suppress saving of ensembless added to boost_control() o bbs(), bns(), bspatial(): default number of knots changed to a fixed value (= 20) o changed default for grid (now uses all iterations) in cvrisk() and changed plot.cvrisk() o bols: works now for factors and can be set-up to use Ridge-estimation. Intercept can be omitted now (via center = TRUE). o new btree() baselearner for gamboost() available o fix inconsistencies in regression tests o add coef.gamboost o new generic `survFit' o cosmetics for trace = TRUE CHANGES in `mboost' VERSION 1.0-1 (2007-12-09) o inst/mboost_Bioinf.R was missing from mboost 1.0-0 CHANGES in `mboost' VERSION 1.0-0 (2007-11-13) o documentation updates CHANGES in `mboost' VERSION 0.9-0 (internal) o tests update and release the new version on CRAN o predict(..., allIterations = TRUE) returns the matrix of predictors for all boosting iterations CHANGES in `mboost' VERSION 0.6-2 (internal) o move `mboost' to R-forge o improvements in `gamboost': - P-splines as base learners available - new formula interface for specifying the base learner - new plot.gamboost o add the number of selected variables as degrees of freedom (as mentioned in the discussion of Hastie to Buhlmann & Hothorn) o status information during fitting is now available via boost_control(trace = TRUE) but is switched off by default o acknowledge constributions by Thomas Kneib and Matthias Schmid in DESCRIPTION CHANGES in `mboost' VERSION 0.6-1 (internal) o gamboost() now allows for user-specified base learners via the formula interface o gamboost.matrix(x = x, ...) requires colnames being set for `x' o na.action = na.omit fix for g{al}mboost() CHANGES in `mboost' VERSION 0.5-8 (2007-05-31) o gamboost(..., weights = w) was broken CHANGES in `mboost' VERSION 0.5-7 (2007-05-30) o extract response correctly in fitted.blackboost o hatvalues (and thus AICs) for GLMs with centering of covariates may have been wrong since version 0.5-0 o add paper examples to tests CHANGES in `mboost' VERSION 0.5-6 (2007-05-07) o fix Rd problems CHANGES in `mboost' VERSION 0.5-5 (2007-04-25) o `westbc' regenerated o LazyLoad: yes (no SaveImage: yes) CHANGES in `mboost' VERSION 0.5-4 (2007-04-18) o plot() method for `glmboost' objects visualizing the coefficient path (feature request by Axel Benner ). o predict(newdata = ) was broken for gamboost(), thanks to Max Kuhn for spotting this. CHANGES in `mboost' VERSION 0.5-3 (2007-03-23) o predict() for gamboost(..., dfbase = 1) was not working correctly o small performance and memory improvements for glmboost() CHANGES in `mboost' VERSION 0.5-2 (2007-02-28) o some performance improvements for `glmboost()' o blackboost() is now generic with formula and x, y interface o plot() method for cvrisk() and AIC() output now allows for ylim specification without troubles CHANGES in `mboost' VERSION 0.5-1 (2007-02-02) o depends party 0.9-9 CHANGES in `mboost' VERSION 0.5-0 (2007-01-30) o new `baselearner' argument to `gamboost' allowing to specify difference component-wise base-learners to be used. Currently implemented: "ssp" for smoothing splines (default), "bsp" for B-splines and "ols" for linear models. The latter two haven't been tested yet. o The `dfbase' arguments now applies to each covariate and no longer to each column of the design matrix. o cvrisk() for blackboost() was broken, totally :-( o centered covariates were returned by glmboost() and gamboost() o Poisson() used an incorrect offset o check for y being positive counts when family = "Poisson()"[B o checks for Poisson() logLik() and AIC() methods o fire a warning when all u > 0 or u < 0 o update vignette `mboost_illustrations' CHANGES in `mboost' VERSION 0.4-17 (2007-01-15) o fix problem with `dfbase' in `gamboost', spotted by Karin Eckel CHANGES in `mboost' VERSION 0.4-16 (2007-01-12) o work around stats4:::AIC CHANGES in `mboost' VERSION 0.4-15 (2006-12-06) o fix plot problems in plot.cvrisk o allow for centering of the numerical covariates in glmboost and gamboost CHANGES in `mboost' VERSION 0.4-14 (2006-10-27) o AIC(..., "classical") is now faster for non-gaussian families CHANGES in `mboost' VERSION 0.4-13 (2006-10-04) o predict(..., newdata) can take a matrix now CHANGES in `mboost' VERSION 0.4-12 (2006-09-13) o predict(, type = "response") did not return factors when the response was actually a factor o report offset in print methods o add offset attribute to coef.glmboost CHANGES in `mboost' VERSION 0.4-11 (2006-09-07) o add `contrasts.arg' argument to `glmboost.formula' o more meaningful default for `grid' in `cvrisk' o R-2.4.0 fixes CHANGES in `mboost' VERSION 0.4-10 (2006-08-30) o add checks for CoxPH (against coefficients and logLik of coxph) o add weights to CoxPH o the ngradient function in Family objects needs to implement arguments (y, f, w), not just (y, f) o check for meaningful class of the response for some families CHANGES in `mboost' VERSION 0.4-9 (2006-07-17) o some small speed improvements in `gamboost' o handle factors in `gamboost' properly (via a linear model) o the dfbase argument can take a vector now (in `gamboost') o update and improve entries in DESCRIPTION o documentation updates CHANGES in `mboost' VERSION 0.4-8 (2006-07-05) o Huber() is `Huber Error', not `Huber Absolute Error' o added `CoxPH' family object for fitting Cox models o remove inst/LaTeX o use NROW / NCOL more often (now that `y' may be a `Surv' object) o implement `cvrisk', a general cross-validation function for the empirical risk and a corresponding plot method o unify risk computations in all three fitting functions o unify names for `gb' objects o allow for out-of-bag risk computations o some cosmetics o update keywords in Rd-files o risk was always 0 in Huber()@risk when d was choosen adaptively o pData(westbc)$nodal.y has levels `negative' and `positive' (lymph node status) CHANGES in `mboost' VERSION 0.4-7 (2006-06-19) o add src/Makevars (required for Windows builds) o make sure objects that are modified at C-level get _copied_ in `blackboost' CHANGES in `mboost' VERSION 0.4-6 (2006-06-14) o some minor `codetools' fixes: removed unused variables and an out-dated function o add `codetools' checks to regression tests o fix xlab in plot.gbAIC ______________________________________________________________________________ `mboost' version 0.4-5 published on CRAN 2006-06-13