[R] how to input incomplete data?

Yong Wang wang at galton.uchicago.edu
Thu Jan 8 17:21:03 CET 2004


Dear all
the question is:
the data is not same length for each variable(the column length 
unequal), how can R read this data? I tried 
read.table(filename,na.strings),not work.
thanks
best
yong




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