Hi,
I have two (different types of) measurements, say X and Y, resulting from
the same set of experiments. So X and Y are paired: (x_1, y_1), (x_2, y_2),
...
I am trying to calculate the standard deviation of Y with respect to X. In
other words, in terms of the scatter plot of X and Y, I would like to divide
it into bins along the X-axis and for each bin calculate the standard
deviation along the Y results in that bin. (Though I am not totally sure,
this seems to remind me of the conditional expectation of Y given X - maybe
it is called the conditional deviation?)
Is their a built in procedure in R for calculating the above? Otherwise,
what would be the easiest way to achieve it? (factors maybe?)
Thankful for the help,
Firas.
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