before running the code, please:
-
make sure you've installed biocondutor;
if (!require("BiocManager", quietly = TRUE)) install.packages("BiocManager") BiocManager::install(version = "3.18")
-
make sure you've installed DADA2:
BiocManager::install("dada2")
-
make sure you've changed the working directory on the 1st line.
-
make sure you've placed the results in the working directory