update URLs

EcologicalTraitData · Oct 20, 2020 · 438aacd · 438aacd
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diff --git a/R/thesaurus.R b/R/thesaurus.R
@@ -113,7 +113,7 @@ print.thesaurus <- function(x, ...) {
 #'
 #' Creating an object containing a standardised trait definition according to
 #' the Ecological Traitdata Standard. Parameters correspond to the definition at
-#' \url{http://ecologicaltraitdata.github.io/ETS/#terms-for-thesauri}.
+#' \url{https://ecologicaltraitdata.github.io/ETS/#terms-for-trait-definitions}.
 #'
 #' @param trait A character string, providing an intuitive, human-readable trait
 #'   name.

diff --git a/man/as.trait.Rd b/man/as.trait.Rd
diff --git a/vignettes/div05.bib b/vignettes/div05.bib
@@ -120,6 +120,18 @@ @article{kattge11
   file = {F:\\Work\\library\\paper\\Kattge et al_2011_TRY – a global database of plant traits.pdf;D:\\Zotero\\storage\\5D7FD4T2\\abstract.html}
 }
 
+@article{pebesma16,
+  author = {Edzer Pebesma and Thomas Mailund and James Hiebert},
+  title = {{Measurement Units in R}},
+  year = {2016},
+  journal = {{The R Journal}},
+  doi = {10.32614/RJ-2016-061},
+  url = {https://doi.org/10.32614/RJ-2016-061},
+  pages = {486--494},
+  volume = {8},
+  number = {2}
+}
+
 @article{allan15,
   langid = {english},
   title = {Land Use Intensification Alters Ecosystem Multifunctionality via Loss of Biodiversity and Changes to Functional Composition},

diff --git a/vignettes/traitdataform.Rmd b/vignettes/traitdataform.Rmd
@@ -130,7 +130,7 @@ The ETS suggests the term `verbatimTraitUnit` to contain the original author's u
 
 The function `as.traitdata()` creates this column via its parameter `units` (see example above). 
 This can be done for all traits in a single stroke (if all reported values refer to the same unit) or to each trait specifically (if they used different measurement units or if the table comprises a mixture of quantitative and qualitative traits).  
-Accordingly, the parameter `units` takes a single character string, or a vector of character strings, containing valid entries as expected  by the package 'units' (Pebesma et al. 2016, https://github.com/edzer/units/, v0.4-5, Examples are 'mm', 'm2' or 'm^2', 'm/s' ). 
+Accordingly, the parameter `units` takes a single character string, or a vector of character strings, containing valid entries as expected  by the package 'units' [@pebesma16, https://github.com/r-quantities/units]. Examples are 'mm', 'm2' or 'm^2', 'm/s'. 
 
 
 ## keep additional information