[R-sig-ME] MGCV Bam error

Ades, James j@de@ @end|ng |rom he@|th@uc@d@edu
Fri Aug 20 20:46:01 CEST 2021

Hi all,

In running bam(conn ~ region * timepoint + s(subjectID, bs = "re", by = timepoint) + s(subjectID, region, bs = "re", by = timepoint), data = tot.add.fil, method = "fREML", discrete=TRUE). I receive the following error.

Error in seq.default(xl[1], xl[2], length = m) :   'from' must be a finite numberIn addition: Warning message:In seq.default(xl[1], xl[2], length = m) : NAs introduced by coercion

Much thanks!


Googling this error will lead to warnings regarding the timepoint dummy coding (not explitly linked with multilevel modeling of mgcv). I double-checked timepoint in the dataset (using the same provided sample), and it seems that everything is defined correctly.

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