/usr/lib/R/site-library/eRm/NEWS is in r-cran-erm 0.14-0-6build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | Changes in Version 0.14-0
o new (wrapper) function LLRA for fitting linear logistic
models with relaxed assumptions including utilities for
preparing data (llra.datprep), setting up (build_W) and
modifying (collapse_W) design matrices, comparing llra
models (anova) and plotting results (plotTR and plotGR)
o 'exact' version of the Martin-Loef test for binary items and
arbitrary splits added as method to NPtest
o in plotGOF confidence ellipses can now be drawn for
subsets of items, optionally using different colours
o new function plotDIF (by Kathrin Gruber): plots confidence
intervals for item parameters estimated separately in
subgroups, uses LR objects as input
o adapted the MLoef function to work with polytomous data
and more than two item groups
o error checks in NPtest: (i) 0/full resposes for items
meaningless for NPtest, (ii) group in method="T4" must
be of type logical, (iii) specifying all items for
T4 gives meaningless results.
o warning regarding group assignment when using median
split removed from LRtest and Waldtest
o some modifications in plotPWmap: horizontal plotting,
different default plotting symbols, option to change
size of plotting symbols
o bug in MLoef fixed (now using logs in calculating the
person contributions)
o eRm now depends on R >= 2.12.0
o Latin1 encoding removed
o bug in plotICC (always same title) fixed
Changes in Version 0.13-0
o LLTM, LRSM, and LPCM work now for repeated measurement
designs with treatment groups and missing values.
o Rename vignette to 'eRm'.
Changes in Version 0.12-2
o new function plotPWmap to plot Bond-and-Fox style
pathway maps for the data by Julian Gilbey. Since
calculation of the t-statistics requires calculation
of the kurtosis of the standardized residuals,
according changes to itemfit.ppar, personfit.ppar,
pifit.internal, print.ifit, and print.pfit.
o plotPImap patched by Julian Gilbey: length of item.subset
did not match the documentation, warning stars did not all
appear, pre-calculated person.parameter data can be passed
to the function via pp, mis-ordered items can be coloured.
some minor bugs fixed.
o the optimizer can be changed to optim using fitctrl<-"optim"
and reset to nlm (the default) with fitctrl<-"nlm"
o value of LRtest now countains the list fitobj which contains
the model objects according to the subgroups specified by
splitcr
o MLoef no longer supports missings values
Changes in Version 0.12-1
o function invalid from package gtools integrated into eRm
eRm no longer depends on gtools
Changes in Version 0.12-0
o for RM, RSM, and PCM: eta parameters are now
diplayed as difficulty parameters
print and summary methods changed accordingly
o new labeling of eta parameters in RM, RSM, and PCM.
they now are labeled according to the estimated
parameters for items (RM), items + categories (RSM),
items x categories (PCM)
o function MLoef for Martin-Loef-Test added
o df in personfit and itemfit corrected
o the logLik functions now extract the log-likelhood
and df into objects of class logLik.eRm and loglik.ppar
with elements loglik and df. the corresponding
print methods have been modified accordingly.
o function coef.ppar to extract person parameter estimates added
o option for beta parameters added to coef.eRm
o in confint.eRm: default parm = "beta"
o minor modifications in the help file for IC()
o plotPImap: revised rug added, bug concerning item.subset fixed,
minor modifications to enhance readability
o minor modifications in plotjointICC: allows for main title and colors,
option legpos = FALSE suppresses legends, dev.new removed,
legend = FALSE produced incorrect labeling
o minor modifications in plotICC: allows for main title and colors,
default coloring with col = NULL instead of NA for compatibility,
option legpos = FALSE suppresses legends, mplot is now FALSE if
only one item is specified
o plot.ppar: dev.new removed
o option 'visible' in print.ifit und print.pfit to allow for avoiding
overly long output and for extraction of infit and outfit values
(maybe changed to a coef method later)
o strwrap() for NPtest print methods to break long lines
o new methods IC.default and pmat.default for enhanced error messages
o lazy loading package and datafiles
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