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NEWS.md

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ssdtools 0.1.0

Breaking Changes

  • Default distributions changed to 'burrIII2', 'gamma' and 'lnorm' from 'gamma', 'gompertz', 'lgumbel', 'llog', 'lnorm' and 'weibull'.
  • Changed implicit behaviour of ssd_hc() and predict() where ci = FALSE to explicit ssd_hc(ci = TRUE) and predict(ci = TRUE).
  • Replaced shape and scale arguments to llog() with lshape and lscale.
  • Replaced location and scale arguments to lgumbel() with llocation and lscale.

Major Features

  • Added Burr Type-III Two-Parameter Distribution (burrIII2).
  • Added ssd_hp() to calculate hazard percent at specific concentrations.
  • Added ssd_exposure() to calculate proportion exposed based on distribution of concentrations.
  • Optimized predict() and added parallel argument.
  • Tidyverse style error and warning messages.

Minor Features

  • ssd_fit_dists() now checks if standard errors computable.
  • Added Burr Type-III Three-Parameter Distribution (burrIII3).
  • Added sdist(x) functionality to set starting values for distributions.
  • Added ssd_plot_cdf() to plot cumulative distribution function (equivalent to autoplot())
  • nobs() for censored data now returns a missing value.
  • Default ssd_fit_dists() distributions now ordered alphabetically.

Deprecated

  • Deprecated ssd_hc() argument hc = 5L for percent = 5L.
  • Deprecated dllog() etc for dllogis().
  • Deprecated ssd_cfplot() for ssd_plot_cf().

Bug Fixes

  • Fixed llog distribution with small concentrations.
  • Ensured concentrations below 1 have 1 significant figure in plots.

ssdtools 0.0.3

  • added citation
  • Added ssdtools-manual vignette
  • Changed predict() and ssd_hc() nboot argument from 1001 to 1000
  • Added hc5_boron data object
  • No longer export ssd_fit_dist() as ssd_fit_dists() renders redundant
  • geom_hcintersect() now takes multiple values
  • More information in DESCRIPTION
  • Added CRAN badge
  • Removed dependencies: dplyr, magrittr, plyr, purrr
  • Moved from depends to imports: VGAM, fitdistrplus, graphics, ggplot, stats
  • Moved from imports to suggests: tibble

ssdtools 0.0.2

  • Added contributors
  • Added hex

ssdtools 0.0.1

  • Initial Release