Sample Dataframe

Static Dataframe
x1 = c("Station 1", "Station 1", "Station 2", "Station 3", "Station 3", "Station 3") x2 = c("20000608", "20000609", "20000610", "20000611", "20000612", "20000613") x3 = seq(5, 30, length=6) x4 = seq(4, 16, length=6) x5 = seq(10, 60, length=6) testframe = data.frame (Station = x1, Datum = x2, Morgen = x3, Mittag = x4, Abend = x5) Station    Datum   Morgen Mittag Abend 1 Station 1 20000608       5     4.0     10 2 Station 1 20000609      10     6.4     20 3 Station 2 20000610      15     8.8     30 4 Station 3 20000611      20    11.2     40 5 Station 3 20000612      25    13.6     50 6 Station 3 20000613      30    16.0     60