Optimized R functions for analysis of ecological community data using the R virtual laboratory (RvLab) oleh Constantinos Varsos, Theodore Patkos, Anastasis Oulas, Christina Pavloudi, Alexandros Gougousis, Umer Ijaz, Irene Filiopoulou, Nikolaos Pattakos, Edward Vanden Berghe, Antonio Fernández-Guerra, Sarah Faulwetter, Eva Chatzinikolaou, Evangelos Pafilis, Chryssoula Bekiari, Martin Doerr, Christos Arvanitidis