Dear list,
I have recently encountered an odd error when running glm(dep~indep,
quasipoisson): while, with a subset of my data, I could get a
perfectly reasonable model, once I include all of my data (17K+
observations, 29 variables), I get the following error:
Error in if (any(y < 0)) stop("negative values not allowed for the
quasiPoisson family") :
missing value where TRUE/FALSE needed
In addition: Warning message:
In Ops.factor(y, 0) : < not meaningful for factors
I say this is odd because I triple checked my response variable, and
not a single observation is negative. Is R encountering an error due
to the size of the data, and somehow returning a 'random' error?
(would be stranger still!)
Thanks a million, hope this makes sense.
Cheers,
Wil
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