Whats the fastest way in R to find time difference:
diff of row 1 to 2, 2 to 3, 3 to 4 and so on.
Or timespan from 1 to 2, 2 to 3, ...

In the end I heading for a function that shows all diffs/timspans e.g. > 7000ms

HH:MM:SS:MIS\* \*Milliseconds
`18:41:24.244
18:41:29.290
18:41:34.259
18:41:55.040
18:42:15.556
18:42:21.587
18:42:25.509
18:42:31.009
18:42:39.072
18:42:59.025
18:43:03.134
18:43:06.712
18:43:47.244
18:43:53.353
18:43:59.181
18:44:14.744
18:44:22.572
18:44:40.040
18:44:44.900
18:44:48.884
18:44:53.744
18:45:01.134
18:45:56.884
18:46:01.384
18:46:05.915
18:46:10.025
18:46:13.837
18:46:18.275
18:46:28.931
18:46:41.259
18:46:44.619
18:46:50.619`