Dear all,
I'm just starting to use R in the analysis of the ecology of the Desmids (green algae of freshwaters) and I'm in great difficulties because running the scripts reported by Borcard, Gillet and Legerndre in their "NUMERICAL ECOLOGY WITH R" at the pages 233 and 234, I'm not able to find the functions: "plot.links.R" and "sr.value.R"
I've the same difficulties to find the function: "cleanpot.pca.R" as reported in the script at the page 124.

Someone can help me?
Many thanks,
G. Vittorio Martello
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