18, 2020 11:59 AM
To: Ted Stankowich ; nu35
Cc: r-sig-phylo@r-project.org
Subject: Re: [R-sig-phylo] singularity with pgls and ordinal factor
CAUTION: This email was sent from an external source.
Dear Ted.
I downloaded your data & tree but was not able to produce an error. Note that
t
changing Gsize to a factor would cause the
error. Thanks for the advice!
-Ted
From: nu35
Sent: Wednesday, November 18, 2020 11:09 AM
To: Ted Stankowich
Cc: Liam J. Revell ; r-sig-phylo@r-project.org
Subject: Re: [R-sig-phylo] singularity with pgls and ordinal factor
CAUTION: This email was sent
d
-Original Message-
From: Liam J. Revell mailto:liam.rev...@umb.edu>>
Sent: Wednesday, November 18, 2020 10:45 AM
To: Ted Stankowich
mailto:theodore.stankow...@csulb.edu>>;
r-sig-phylo@r-project.org<mailto:r-sig-phylo@r-project.org>
Subject: Re: [R-sig-phylo] singularit
ror.
Best,
Ted
-Original Message-
From: Liam J. Revell
Sent: Wednesday, November 18, 2020 10:45 AM
To: Ted Stankowich ; r-sig-phylo@r-project.org
Subject: Re: [R-sig-phylo] singularity with pgls and ordinal factor
CAUTION: This email was sent from an external source.
Hi Ted.
My best gu
Hi Ted.
My best guess is that some trees have zero-length terminal edges
resulting in implied correlations between related species of 1. Could
that be the case with your trees? Note that a good solution to this
problem *is not* to add a small amount of edge length to the tips
causing the
Hello all,
I'm running pgls analyses using caper and have run into an issue with getting
computationally singular errors. I'm trying to run a continuous dependent
variable (HeadShades) against an ordinal factor (GsizeF). I get the following
error when I run this:
Error in solve.default(xVix,
