
Find subsets of logical objects
col.any(x)
col.all(x)
row.any(x)
row.all(x)
a rectangular object
a logical vector
# NOT RUN {
x <- fts(seq(from=Sys.Date(),by="months",length.out=50),matrix(rnorm(100),nrow=50))
jj <- x > 0
row.all(jj)
row.any(jj)
col.any(x > 0)
col.all(x > -3)
# }
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