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bolsa
2007 Sep 17
4
Must be easy, but haven't found the function (numerical integration)
Hi,
I have a data frame of 2 columns with the following types :
data$day char
data$value num
And I plot my data with :
plot(strptime(donnees$day,format="%Y-%m-%d %H:%M:%S"),donnees$value,
type="l")
And I'd just like to get the numerical value of the integration of this
graph.
I looked at ?integrate but, as far as I understood (that is, not very much,
due to my poor