Hi Anna,
A column with all 0s will have a column sum of zero. So do this :
dataset1[, which(colSums(dataSet1 > 0))]
If you have a list of data.frames you could do this
for(index in 1:10)
{
write.csv(yourListOfTables[[index]], file = paste("Dataset", index,
".csv", sep = ""), row.names = FALSE)
}
- Dario.
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