A while ago I wrote for a questioner on this list a function, 'f1', below,
that would give the start and stop times of runs of data that started when
then the data went above a threshold and stopped when it first dropped
below a different (lower) threshold). It used no loops and was pretty
quick.
> On 23 Dec 2014, at 23:57 , Pooya Lalehzari wrote:
>
> Hello,
> I have a data.frame (below) containing the two fields of "Value" and "Signal"
> and I would need to create the third field of "To_Be_Produced". The condition
> for producing the third field is to carry the 1 in the "Signal" field
Hello,
I have a data.frame (below) containing the two fields of "Value" and "Signal"
and I would need to create the third field of "To_Be_Produced". The condition
for producing the third field is to carry the 1 in the "Signal" field down
until "Value" is below 40.
Do I have to create a for-loop
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