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SimVitD 1.0.3

• Cosmetic changes to some man files to resolve erroneous (clashing) version numbers
• Some checks for objects of S3 types were made using string comparsions instead of inherits, these have been corrected

SimVitD 1.0.2

• Added functions from wBoot by Neil A Weiss into package due to archival
• Due to wBoot incorporation dependency changed to simpleboot
• Included CLT approximation to be used when larger samples
• Determination of CLT/bootstrap is carried out automatically- clt argument to power.calc can be used to set
• Change default number of bootstrap re-samples to 9999

SimVitD 1.0.1

Minor changes

• Added extra argument start to exposure.levels() to pass the time unit in years of study start
• Corrected bug in time offset of exposure levels when start > 0
• Changed default plotting label for 25OHD from ‘25 Hydroxy Vitamin D’ to ‘25-hydroxyvitamin D’
• Added new function ‘vitd.curve.2.function’ which will convert the output of vitd.curve into a list of callable functions (not available at user level)

SimVitD 1.0.0

Major changes

• Generative model of vitamin D status curves from a squared sine to cosine with threshold.
• Rather than maximum and minimum levels of vitamin D a more flexible mean level is now used.
• Changes to arguments passed to vitd.curves().
• Cross-over designs have been disabled in current version.
• Parallel computation is now available for Monte Carlo error quantification in pow.calc().
• Addition of internal function power.calc.0().
• prop.test() and wilcox.test() used in version 0.1.2 replaced by non-parametric bootstrap from wBoot package.
• Dependency on poisson package removed as it was possible to vectorize our own sampling.
• Updated print and summary function for exposure.levels and infection.count objects.
• Changes to package vignette to document user facing changes.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.