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  1.  
  2. data1=s%>%data.table()%>%setnames(c("id", "duration","M1","M2","M3","M4","M5","M6"))%>%
  3. split(.$id)%>%lapply(function(g){tail(g,4)})
  4.  
Runtime error #stdin #stdout #stderr 0.28s 22832KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
Error: could not find function "%>%"
Execution halted