I’m polishing up a package for release and gets this “REQUIRED” message from
BiocCheck that kinds of baffles me:
* REQUIRED: Packages (IRanges, Biostrings) which provide reverse,
reverse (used in trailsToGraph, trailsToGraph) should be imported
in the NAMESPACE file, otherwise packages that import
FindMyFriends could fail.
This is the source code for trailsToGraph:
trailsToGraph <- function(trails) {
trails <- unlist(lapply(trails, function(x) c(x, NA)))
edges <- data.frame(from = trails[-length(trails)], to = trails[-1])
edges <- edges[!is.na(edges$from) & !is.na(edges$to),]
edges <- edges %>%
group_by(from, to) %>%
summarise(weight = length(from))
graph_from_data_frame(edges)
}
I do not use reverse() anywhere in my code. Is this a bug in BiocCheck or are
there some requirements for imports with packages that shares symbols, even
though these symbols are not used?
best
Thomas
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