Following a great idea from Jim and Dennis, I began to use the function
ave() in my big data.
I proved to use this command in my data with FUN=max(x,na.rm=T), and I received a Warning that translated looks like
Warning in max (x, na.rm = T):
no arguments to max; returning -Inf
Is this happening 'cause I╢m using a big table : 254417 rows 9 columns?
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