photobiology 0.9.20

The main changes from version 0.9.19, the most recent CRAN release, are:

  • To improve clarity of user code, define wrappers for methods max(), min(), range(), midpoint(), and spread() with names with wl_ prepended (e.g. wl_max()).
  • Rename method spread() to expanse() and deprecate use of spread(). In the case of wl_expanse() and expanse() the new names prevent a name clash with tidyr::spread().
  • Redefine all ‘as.’ class-coercion functions into generic methods and add specialisations. Default behaviour remains unchanged.
  • Add class-coercion methods to and from matrix (and transfer corresponding functions from package ‘photobiologyInOut’).
  • Add function relative_AM() to compute relative air mass from sun elevation.
  • Add functions for calculation of saturated water vapour pressure from air temperature water_vp_sat() and dew point from water vapour pressure water_dp().

Documentation web site at http://docs.r4photobiology.info/photobiology/ includes all help pages, with output from all examples, and vignettes in HTML format.

NOTE: The updated package can be installed from CRAN.

Please raise issues concerning bugs or enhancements to this package through Bitbucket https://bitbucket.org/aphalo/photobiology/issues

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