hsdar is back on CRAN We are very happy to announce that a new version of the hsdar-package (hyperspectral data analysis in R) is available on CRAN. The introductory vignette is available here: https://cran.r-project.org/web/packages/hsdar/vignettes/Hsdar-intro.pdf The main class "Speclib" has been changed in that the additional information is now stored in the SI slot (function "SI" replaced "attribute" for update/access). This change was used to restructure how the supplementary data is internally stored and allows the user to use e.g. raster images as source of additional information (which can be of advantage if e.g. terrain is suspected to play a role for hyperspectral classification/regression). Additionally, the Speclib-class has now methods compatible with the iteratively reading/writing functions of the raster-package (writeStart-, writeValues-, writeStop-methods for Speclib class are implemented). Besides these technical changes, the new version of PROSPECT (version D) is implemented. Cheers Lukas Lehnert Hanna Meyer J?rg Bendix