matrix with fix number columns but variable number rows

I have to store a number of vectors of the same length. I know the
length but I do not know the number of vectors.

How can I store them as they are created (they are created one by one)?

Maybe

data <- vector(mode="numeric")
# and here functions, loops  or whatever to read the data
newdata <- datafromanywhere
data <- rbind(data, newdata)

Regards, Sven




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