ABA-data-preparation.md

@@ -9,11 +9,11 @@ The following files are provided:
 
 * [Rmarkdown source](https://gitlab.irstea.fr/jean-matthieu.monnet/lidartree_tutorials/-/blob/master/R/area-based.1.data.preparation.Rmd),
 * **[ABA data preparation tutorial in html](https://gitlab.irstea.fr/jean-matthieu.monnet/lidartree_tutorials/-/raw/master/export/area-based.1.data.preparation.html?inline=false)**,
-* [ABA data preparation tutorial in pdf](https://gitlab.irstea.fr/jean-matthieu.monnet/lidartree_tutorials/-/blob/master/export/area-based.1.data.preparation.pdf),
 * datasets required to run the source code are also available on the repository.
 
 Change log
 
+* Dec. 27, 2021: future.apply package used for parallelization
 + Aug 3, 2021: updated to comply with lidaRtRee 3.1.0
 + Jan 2021: updated to comply with lidR 3.1.0 and lidaRtRee 3.0.0, added figures and check step of field data
 + Oct, 2020: checked compatibility with lidR 3.0.3