On 17/07/2019 2:02 p.m., Sebastien Bihorel wrote:
Hi,
Indeed the S4 object is a class provided by a contributed package. However, the
windows machine that reads the .rds fine does not even have the package
installed.
I also confirm that I used readRDS (loadRDS was a typo on my part, sorry).
In this case, I cannot provide a reprex as the contributed package function
that creates the S4 object connects to a local database with secured access. I
could send the code, but only the authorized people could run it. This is not
the ideal situation for problem solving...
I was wondering if there was a pathway through serialize / unserialize. I tried
but I could not find the way to properly write and read the serialized object.
I don't know about that approach.
You can probably produce a reprex, it'll just be work: copy the
function from the contributed package, and edit it so that the line that
reads from the database just generates some fake data in a similar
format. If you can make it reproducible, then cut out as much stuff as
possible, keeping it reproducible, and post the final minimal reprex.
It's likely to take some time, but also likely to lead to a solution
(either by you, when you notice a bug in the contributed package and can
fix it, or by one of us, when you post the reprex and we dig in).
Duncan Murdoch
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