fitdistrplus 1.1-9
BUG FIX
- the use of some deprecated ggplot2 functions is updated
- the use of some deprecated BibTeX entries is updated
- bug fixed in drawing CI lines in CIcdfcplot when ggplot2 is
called
- bug fixed in drawing horizontal lines in cdfcompcens
NEW FEATURES
- add a ‘print’ argument in the ‘descdist’ function to allow to only
plot the skewness-kurtosis graph, without printing the computed
parameters
fitdistrplus 1.1-8
WARNING FIX
- update an URL in fitdistrplus.Rd from to
- replace ‘if(class(x) == XX)’ by ‘if(inherits(x, XX))’
- replace all ‘dontrun’ tags by ‘donttest’ in examples in rd
files
BUG FIX
- fix an error in t-detectbound.R producing “failure: length > 1 in
coercion to logical” reported by Brian Ripley
fitdistrplus 1.1-6
NEW FEATURES
- new function Surv2fitdistcens() to format data for use in
fitdistcens() from a format used in the survival package
- new dataset fremale in order to illustrate Surv2fitdistcens()
- support the use of ggplot2 for CIcdfplot
- add the taxon names to the endosulfan dataset
- new argument name.points in cdfcomp and CIcdfplot to add labels next
to points
fitdistrplus 1.1-5
WARNING FIX
- reduce testing times in test files
fitdistrplus 1.1-3
NEW FEATURE
- take into account fix.arg for uniform distribution
BUG FIXES
- add the loglikelihood value for uniform distribution (in
mledist())
- correct usage of triple dots argument in llsurface()
- fix an error in ppcomp() and qqcomp() raised for large dataset
fitdistrplus 1.1-1
NEW FEATURES
- add of internal functions to cope with problems of lack of
maintenance of the package npsurv and remove the dependence to this
package
- remove of the deprecated argument Turnbull of plotdistcens()
fitdistrplus 1.0-14
NEW FEATURES
- add a new estimation method called maximum spacing estimation via
msedist()
fitdistrplus 1.0-13
BUG FIXES
- fix issues coming from the noLD (–disable-long-double) configuration
of R
fitdistrplus 1.0-12
BUG FIXES
- bug fixed in qmedist() and fitdistcens() which raised an error in
checkparamlist().
- bug fixed in testdpqfun() which assumes the first argument of
d,p,q,r functions are exactly the same as in base R.
fitdistrplus 1.0-11
NEW FEATURES
- update the FAQ with beta(a,a).
- improve graphics for discrete distributions in denscomp().
- improve automatic naming of legends in xxxcomp().
- harmonize outputs in mledist(), qmedist(), mmedist(), mgedist(),
fitdist() and fitdistcens().
- automatic test of d, p, q functions in fitdist() and raise
warnings.
- improve test for starting and fixed values.
- add new default starting values for distributions in actuar.
- change of the default CDF plot for censored data, using the Wang
NPMLE algorithm provided in the package npsurv (in plotdistcens() and
cdfcompcens())
- add of two new goodness-of-fit plots (QQ-plot and PP-plot) for
censored data (cf. plotdistcens, qqcompcens and ppcompcens).
- add of a part dedicated to censored datain the FAQ vignette.
- homogeneization of xlim and ylim default definition in
plotdistcens.
- Removing of the name of the first argument in calls to dpq functions
in order to make the package compatible with distributions defined with
a non classical name for their first argument (resp. x, q, p for d, p, q
functions).
- add the possibility to change the title of the CDF plot in
plotdistcens() using the argument main.
- support the use of ggplot2 for cdfcompcens, qqcompcens,
ppcompcens.
BUG FIXES
- bug fixed concerning the use of gofstat with a chi squared df <=0
(error message blocking the other functions)
- bug fix in mledist() when bounds were set (so not NULL) for censored
MLE
- enable a correct use of non-equidistant breaks in denscomp for the
histogram when plotstyle = “ggplot”, and prohibit the use of
non-equidistant breaks with probability = FALSE (adding a stop in this
case).
fitdistrplus 1.0-9
- update the FAQ with linear inequality constraints.
fitdistrplus 1.0-8
NEW FEATURES
- support the use of ggplot2 for cdfcomp, denscomp, qqcomp,
ppcomp.
BUG FIXES
- correct legend for qqcomp and ppomp on large data.
- correct weights in mmedist.
- correct the name Akaike in gofstat.
- correct the use of trueval in plot.bootdist.
- correct the vignette on truncate (inflated) distributions.
fitdistrplus 1.0-7
NEW FEATURES
- keep the JSS vignette as a pdf.
- start the FAQ vignette and add datasets (?dataFAQ) for it.
- provide likelihood plot/surface/curve: llplot, llcurve,
llsurface.
- provide parallelization of bootstrap in bootdist and
bootdistcens.
- provide graphic of (e)cdf with bootstraped confidence interval/area:
CIcdfplot.
- allow the use of constrOptim() in mledist, mmedist, mgedist, qmedist
functions.
- add a possible pre-fitting procedure: prefit.
BUG FIXES
- add invisible() for all graphical functions.
- bug fixed concerning the use of weights on censored data.
fitdistrplus 1.0-6
BUG FIXES
- automatic definition of starting values for distributions “llogis”
and “invweibull” is now working.
fitdistrplus 1.0-5
NEW FEATURES
- update starting/fixing values in mledist, mmedist, mgedist, qmedist
functions.
- update graphics for bootstrap procedure.
- add argument do.points in cdfcomp.
- add argument weights in mledist, qmedist, mmedist, fitdist,
fitdistcens.
- add argument keepdata in fitdist, fitdistcens.
- suppress warnings/errors in fitdist(cens), bootdist(cens).
BUG FIXES
- defensive programming in plotdist, cdfcomp,…
- simplify plotting curves in cdfcomp where seq(xmin, xmax, by=1) was
used.
fitdistrplus 1.0-4
- release for the JSS publication.
fitdistrplus 1.0-3
NEW FEATURES
- new generic functions for fitdist(cens): loglik, vcov and coef.
- vignette updated to the version of a paper accepted by the Journal
of Statistical Software.
- add of an argument discrete in fitdist in order to be able to take
into account non classical discrete distributions while plotting the fit
with plot.fitdist or cdfcomp and while calculating goodness-of-fit
statistics with gofstat (add of an example : fit of a zero inflate
Poisson distribution).
- add of an S3 class for descdist and a print method.
BUG FIXES
- fitdist can handle non invertible Hessian matrices.
fitdistrplus 1.0-2
NEW FEATURES
- plotdist can plot empirical density as an histogram, a density plot
or both superimposed.
- a strong warning was added to the documentation of function descdist
about the problematic high variance of skewness and kurtosis.
BUG FIXES
- bug fixed in bootdistcens : argument fix.arg is now correctly passed
to mle.
fitdistrplus 1.0-1
NEW FEATURES
- gofstat can handle multiple ‘fitdist’ objects.
- plotdist for discrete data is slightly enhanced.
fitdistrplus 1.0-0
NEW FEATURES
- update cdfcomp and add denscomp, ppcomp and qqcomp functions.
- add of an argument Turnbull.confint to functions plotdistcens and
cdfcompcens in order to draw confidence intervals on the empirical
distribution only if requested.
- ppoints now used in “fitdist” for QQ plot, PP plot and cdf plot for
continuous data (was used only for QQ plot in previous versions) to
enable Blom type plotting position (using by default Hazen plotting
position than can be chanfge using arguments use.ppoints and
a.ppoints)
- many changes in the examples given in the reference manual.
- the vignette was removed, to be transformed in a paper that we will
soon submit to a journal.
- add of four data sets : fluazinam, salinity, danishuni and
danishmulti.
- add of functions to calculate quantiles of the fitted distribution,
with 95 percent CI calculated by bootstrap : quantile generic function
is available both for “fitdist” and “bootdist” objects and quantile
generic function is available both for “fitdistcens” and “bootdistcens”
objects.
BUG FIXES
- correction the formula for the CvM test for Weibull
distribution.
- elimination of CvM and AD tests for normal, lognormal and logistic
distributions : formulas previously used (given by Stephens 1986) do not
use exactly MLE estimates and thus results were only approximates.
- make arguments xlim and ylim functional in cdfcompcens.
- bug fix in the closed formula in mmedist for lognormal
distributions.
fitdistrplus 0.3-4
NEW FEATURES
- posibility to fix xlegend to a keyword (e.g. “bottomright”) in
“cdfcomp” and “cdfcompdens”.
- improvement of the new vignette.
BUG FIXES
- correction of the NAMESPACE file in order to enable the correct
print of a summary of a fitdistcens object (with the correlation matrix,
the loglikelihood and AIC and BIC statistics).
fitdistrplus 0.3-3
NEW FEATURES
- a new function (“cdfcompcens”) to plot cumulative distributions
corresponding to various fits using a same censored data set.
- add an example with scaling problem in man pages.
fitdistrplus 0.3-2
NEW FEATURES
- new plot of the empirical cdf curve in plotdistcens, using the
Turnbull algorithm by a call to function survfit{survival}.
- new arguments to function “cdfcomp” : verticals, horizontals and
xlim.
fitdistrplus 0.3-1
NEW FEATURES
- add of a draft of a new version of the vignette.
fitdistrplus 0.3-0
NEW FEATURES
- a new function (“cdfcomp”) to plot cumulative distributions
corresponding to various fits using a same non censored data set.
- add of two data sets : “endosulfan” and “toxocara”.
fitdistrplus 0.2-2
BUG FIXES
- elimination of NON-ASCII characters in the vignette.
fitdistrplus 0.2-1
NEW FEATURES
- a new fitting method was implemented for continuous distributions :
the maximum goodness-of-fit estimation (function “mgedist”) (for the
moment only available for non censored data).
fitdistrplus 0.1-5
NEW FEATURES
- a new goodness-of-fit statistic was added in gofstat, with
corresponding test : the Cramer-von Mises distance.
- a new fitting method has been implemented : the quantile matching
estimation (function “qmedist”). For the moment, only available for non
censored data.
- the moment matching estimation has been extended (in function
mmedist) to enable numerical matching when closed formula are not
available.
BUG FIXES
- correction of a bug inserted while adding the argument “fix.arg”
which prevent the print of the results of goodness-of-fit tests.
fitdistrplus 0.1-4
NEW FEATURES
- a component named dots added to the list returned by fitdist and
fitdistcens in order to pass optional arguments for the control of
optimization in mledist to bootdist and bootdistcens. bootdist and
bootdistcens changed to take into account these optional arguments if
they are defined in the call to fitdist or fitdistcens.
- an argument added to fitdist, fitdistcens and mledist, named
fix.arg, and giving the possibility to fix some of the distribution
parameters while maximizing the likelihood. Functions bootdist,
bootdistcens and gofstat were also changed in order to take this new
argument into account.
- a new data file of bacterial contamination censored data extracted
from Busschaert et al. 2000 and examples corresponding to analysis of
this dataset.
BUG FIXES
- correction of a bug in the print and the plot of bootstraped samples
using bootdist or bootdistcens when there was only one parameter
estimated by maximum likelihood.
fitdistrplus 0.1-3
NEW FEATURES
- new data file “groundbeef” (groundbeef.rda and groundbeef.Rd) and
new use of this dataset in some examples.
- new function gofstat. Goodness-of-fit statistics are no more
computed by fitdist but may computed and printed by the use of the
function gofstat. In this new function, the whole results computed are
not printed : results of tests are printed only if the argument
print.test==TRUE and for continuous distributions only Anderson-Darling
and Kolomogorov-Smirnov statistics are printed by default (but complete
results are returned by gofstat).
- modifications in descdist : three arguments were added in descdist
1/ method, to choose between unbiased estimations of standard deviation,
skewness and kurtosis (default choice) and sample values. 2/ obs.col to
choose the color used to plot the observed point on the graph. 3/
boot.col to choose the color used to plot the bootstrap sample of points
on the graph.
- modifications in plotfit : minor changes were performed in order to
facilitate the use of the argument … to personnalize the plots (see
examples in plotdist.Rd)
- modication of the vignette
BUG FIXES
- correction of a bug in plotdist due to the redefinition in the
previous version of the parameter “ylim” for the plot of a histogram
with theoretical density function (there was a problem with infinite
values of theoretical density function).
fitdistrplus 0.1-2
NEW FEATURES
- deletion of mledistcens and modification of mledist in order to
maximize likelihood for both censored and non censored data.
- possibility to choose the optimization method used for maximum
likelihood estimation (MLE) of distribution parameters using the new
argument “optim.method” of mledist.
- possibility to specify contraints on distribution parameters using
the new arguments “lower” and “upper” of mledist.
- possibility to use a custom optimization function for MLE using the
new argument “custom.optim”.
- moment matching estimation is no longer done with argument method
set to “mom” but set to “mme” in fitdist.
- renaming of momdist in mmedist.
- calculation of AIC and BIC criterion after maximum likelihood
estimation of distribution parameters
- change of the default number of iterations from 999 to 1001 for
bootstrap in order to avoid interpolation using the quantile
function
- use of the argument “log” and (resp. “log.p”) of density (resp.
distribution) when available to compute the loglikelihood.
BUG FIXES
- omitting the name of the first argument in calls to the density
function during maximization of the likelihood in order to enable the
use of a density function defined with a first parameter (the vector of
quantiles) with a name differing from “x” (classical name for density
distributions defined in R), such as the density function dexGAUS from
the package gamlss.dist.
fitdistrplus 0.1-1