是否有一种方法可以从system.time中只获得经过时间的数值?time_f1 <- system.time({ and some other stufftime_f2 <- system.timeother stufftime_f[2] <- system.time::elapsed({ and some other stuff
system.time(findRows <- apply(A, 1, function (r) any ( r %in% search_strings)))
# OriginalR> system.time(findRows <- apply(A, 1, function (r) any ( r %in% search_strings)))R> sy