Re: [R] Find a particular point on a curve

2011-10-21 Thread Joanie
The most important thing is the point termed "C" (on the image): http://r.789695.n4.nabble.com/file/n3926631/courbe_temp%C3%A9rature.png which is the first point (time, temperature) where temperature stabilizes after the temperature drop (end of feeding). The definition of that particular point i

Re: [R] Find a particular point on a curve

2011-10-07 Thread David Winsemius
On Oct 7, 2011, at 5:06 PM, Joanie wrote: Here is a sample of my data: time temperature 40717.0140390 37.5 40717.0140510 37.5 40717.0519680 37.6 40717.0519790 37.6 40717.0520020 37.6 40717.0520140 37.6 After making that data into a dataframe named "dat" > plo

Re: [R] Find a particular point on a curve

2011-10-07 Thread David Winsemius
On Oct 7, 2011, at 5:06 PM, Joanie wrote: Here is a sample of my data: time temperature 40717.0140390 37.5 40717.0140510 37.5 40717.0519790 37.6 40717.0520020 37.6 40717.0520140 37.6 So your starting temp is different than your ending temp. How do you want t

Re: [R] Find a particular point on a curve

2011-10-07 Thread Joanie
Here is a sample of my data: time temperature 40717.0140390 37.5 40717.0140510 37.5 40717.0140620 37.5 40717.0140740 37.5 40717.0140970 37.5 40717.0141200 37.5 40717.0141320 37.5 40717.0141550 37.5 40717.0141670 37.5 40717.0141780 37.5 40717.0141900 37.5 407

Re: [R] Find a particular point on a curve

2011-10-07 Thread David Winsemius
On Oct 7, 2011, at 11:54 AM, Joanie wrote: Hi, my question is really precise. I'm interested in drops of stomacal temperature (of seal pups) following milk ingestion. Temperature starts at an average of 37.8oC (sd=0.2) and drops rapidly to around 36.0oC and then stabilizes slowly to a te

[R] Find a particular point on a curve

2011-10-07 Thread Joanie
Hi, my question is really precise. I'm interested in drops of stomacal temperature (of seal pups) following milk ingestion. Temperature starts at an average of 37.8oC (sd=0.2) and drops rapidly to around 36.0oC and then stabilizes slowly to a temperature silimar to the previous one. It looks a bit