TopTags object into a data.frame.
"as.data.frame"(x, row.names = NULL, optional = FALSE, ...)TopTagsNULL or a character vector giving the row names for the
data frame. Missing values are not allowed.TRUE, setting row names and converting column
names (to syntactic names) is optional.x which have a row for each gene into a data.frame.
as.data.frame in the base package.