[R] Help with loop

[Hefri]

Hi again,

I was thinking that the interval would stop when there was a NA, ignore
subsequent NAs and only start a new interval when there was a new value. So
in the example below, the interval would stop at row 320, and a new interval
started at row 334.

> head (D, 20)
        Salt       time
319 35.63190 2004-07-26
320 35.66033 2004-07-27
321       NA 2004-07-28
322       NA 2004-07-29
323       NA 2004-07-30
324       NA 2004-07-31
325       NA 2004-08-01
326       NA 2004-08-02
327       NA 2004-08-03
328       NA 2004-08-04
329       NA 2004-08-05
330       NA 2004-08-06
331       NA 2004-08-07
332       NA 2004-08-08
333       NA 2004-08-09
334 35.57781 2004-08-10
335 35.59829 2004-08-11

Many thanks, Helene



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