Displaying 2 results from an estimated 2 matches for "observationid".
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2002 Nov 09
2
Nonlinear regression and categories
Hi there:
I'm trying to run a large number of nonlinear regressions on a time
series dataset, where the data will be formatted something to the effect of:
ObservationID,time,dependentvar
I'll have a number of time and dependentvars for each observation, and I
want to apply a nonlinear regression to one ObservationID at a time, and I
want to have a dataset that is the parameter estimates of the equation for
each observation (as opposed to running them one at a...
2014 Oct 15
2
Advice on package design for handling of dots in a formula
...bles play in the analysis. Where I'm stumped is the
best way to have users specify those roles.
Approach #1: Separate formula for each special component
First I thought to have users specify each formula separately, like:
new.function(formula=y~X1+X2+X3,
weights=~w,
observationID=~ID,
strata=~site,
data=mydata)
This seems to be a common approach in other packages. However, one of my
testers noted that if he put formula=y~. then w, ID, and site showed up in
the model where they weren't supposed to be. I could add some code to try to
prevent tha...