Package: afttest 4.3.3

afttest: Model diagnostics for accelerated failure time models

A collection of model checking methods for semiparametric accelerated failure time (AFT) models under the rank-based approach. For the (computational) efficiency, Gehan's weight is used. It provides functions to verify whether the observed data fit the specific model assumptions such as a functional form of each covariate, a link function, and an omnibus test. The p-value offered in this package is based on the Kolmogorov-type supremum test and the variance of the proposed test statistics is estimated through the re-sampling method. Furthermore, a graphical technique to compare the shape of the observed residual to a number of the approximated realizations is provided.

Authors:Woojung Bae [aut, cre], Dongrak Choi [aut], Jun Yan [aut], Sangwook Kang [aut]

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afttest/json (API)

Peer review:

Bug tracker:https://github.com/woojungbae/afttest/issues

On CRAN:

2 exports 1.41 score 46 dependencies 9 scripts 468 downloads

Last updated 4 months agofrom:510ce77a45. Checks:OK: 9. Indexed: yes.

Exports:afttestafttestplot

Dependencies:aftgeebackportsBBbroomclicolorspacecpp11dplyrfansifarvergeepackgenericsggplot2gluegridExtragtableisobandlabelinglatticelifecyclemagrittrMASSMatrixmgcvmunsellnlmepillarpkgconfigpurrrquadprogR6RColorBrewerRcppRcppArmadillorlangscalesstringistringrsurvivaltibbletidyrtidyselectutf8vctrsviridisLitewithr