search for: tp4269585p4269585

...] - df$P[i-2] } execution time result is unaceptable: 24s !! Is there any way to reduce complexity about O(n) ? for example 2 or 3s (10s maxi) Does anybody find better than ~24s ? thanks for your help -- View this message in context: http://r.789695.n4.nabble.com/data-frame-temporal-complexity-tp4269585p4269585.html Sent from the R help mailing list archive at Nabble.com.